BMW 3 Series Active Hybrid (2015 year). Manual in english — page 8
Things to remember when driving Driving tips
Optimum energy recovery
As soon as the display shows the maximum
energy recovery, only press the brake pedal
harder if required by the situation.
Exemplary traffic situations for fuel
efficiency
In many driving situations, the hybrid system
allows for a particularly efficient energy man-
Low energy recovery:
agement.
During coasting to a halt without stepping on
▷ Stop-and-go traffic:
the brake.
The combustion engine is switched on or
over automatically by the hybrid system.
▷ Driving with constant speed:
With the ASSIST acceleration support, the
electric motor relieves the combustion en-
gine periodically by being switched on au-
tomatically.
Discharge of the high-voltage battery
In normal operation, a sufficient charging of the
Average energy recovery:
high-voltage battery is ensured by energy re-
During a slight deceleration by gently pressing
covery.
the brake pedal.
Longer idle periods can reduce the charge
state of the high-voltage battery.
Do not allow the vehicle to sit idle for ex-
tended periods with a low charging state
Before storing the vehicle for an extended pe-
riod, check the battery charge indicator to en-
sure that the high-voltage battery is fully
charged. If necessary, charge the high-voltage
battery by driving the vehicle. Check the
charge level regularly, and if needed recharge
the high-voltage battery by driving the vehicle.
Maximum energy recovery:
Don't allow battery charge status to drop too
During firmer pressing on the brake pedal.
low - it will damage the battery.◀
Foresighted driving and decelerating helps
with optimizing energy recovery.
Charging by driving
In order to charge the high-voltage battery
Brake according to traffic and circum-
most effectively when driving, activated the
stances
transmission's Sport program DS, refer to
Brake in accordance with the traffic conditions,
page 78.
or there is the risk of accident.◀
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Driving tips Things to remember when driving
Coasting to a standstill and braking phases are
Hot exhaust system
used more often to recover energy.
Hot exhaust system
eDRIVE electric driving and the Auto Start
High temperatures are generated in the
Stop function will also be deactivated.
exhaust system.
Do not remove the heat shields installed and
Fast charging
never apply undercoating to them. Make sure
In exceptional cases it can be charged in place,
that flammable materials, e. g. hay, leaves,
such as before extended idle phases in order
grass, etc. do not come in contact with the hot
to prevent damage to the high-voltage battery.
exhaust system while driving, while in idle po-
1. Start the engine.
sition mode, or when parked. Such contact
could lead to a fire, resulting in an increased
2. Engage transmission position P and set
risk of serious personal injury as well as prop-
parking brake.
erty damage.
3. Press and hold down brake pedal.
Do not touch hot exhaust pipes; otherwise,
4. Use the accelerator pedal to maintain an
there is a danger of getting burned.◀
engine speed of approx. 2,000 rpm.
After a few minutes, the high-voltage battery is
Mobile communication devices in the
fully charged again.
vehicle
The battery charge indicator in the instrument
Mobile communication devices in the ve-
cluster, refer to page 82, is used to check the
hicle
status.
It is not recommended to use mobile phones,
such as mobile phones, in the vehicle interior
without a direct connection to an external aer-
General driving notes
ial. Otherwise, the vehicle's electronics and
mobile communication devices can interfere
Closing the trunk lid
with each other. In addition, there is no assur-
Drive with the trunk lid closed
ance that the radiation generated during trans-
Only drive with the tailgate closed; other-
mission will be conducted away from the vehi-
wise, in the event of an accident or braking and
cle interior.◀
evasive maneuvers, passengers and other traf-
fic may be injured, and the vehicle may be
Hydroplaning
damaged. In addition, exhaust fumes may en-
Hydroplaning
ter the vehicle interior.◀
When driving on wet or slushy roads, re-
If driving with the tailgate open cannot be
duce your speed to prevent hydroplaning.◀
avoided:
On wet or slushy roads, a wedge of water can
▷ Close all windows and the glass sunroof.
form between the tires and road surface.
▷ Greatly increase the air flow from the vents.
This phenomenon is referred to as hydroplan-
▷ Drive moderately.
ing. It is characterized by a partial or complete
loss of contact between the tires and the road
surface, ultimately undermining your ability to
steer and brake the vehicle.
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Things to remember when driving Driving tips
Driving through water
Driving in wet conditions
Observe water level and speed
When roads are wet, salted, or in heavy rain,
press brake pedal ever so gently every few
Do not exceed the maximum water level
miles.
and maximum speed; otherwise, the vehicle's
engine, the electrical systems and the trans-
Ensure that this action does not endanger
mission may be damaged.◀
other traffic.
The heat generated in this process helps dry
Drive though calm water only and only if it is
the brake discs and pads.
not deeper than 9.8 inches/25 cm and at this
height, no faster than walking speed, up to
In this way braking efficiency will be available
3 mph/5 km/h.
when you need it.
Braking safely
Hills
Your vehicle is equipped with ABS as a stand-
Avoid stressing the brakes
ard feature.
Avoid placing excessive stress on the
Applying the brakes fully is the most effective
brake system. Light but consistent brake pres-
way of braking in situations needed.
sure can lead to high temperatures, brakes
wearing out and possibly even brake failure.◀
Steering is still responsive. You can still avoid
any obstacles with a minimum of steering ef-
Do not drive in neutral
fort.
Do not drive in neutral or with the engine
Pulsation of the brake pedal and sounds from
stopped, as doing so disables engine braking.
the hydraulic circuits indicate that ABS is in its
In addition, steering and brake assist are un-
active mode.
available with the engine stopped.◀
In certain braking situations, the perforated
Drive long or steep downhill gradients in the
brake discs can cause functional problems.
gear that requires least braking efforts. Other-
However, this has no effect on the perform-
wise the brakes may overheat and reduce
ance and operational reliability of the brake.
brake efficiency.
Objects within the range of movement
You can increase the engine's braking effect
of the pedals
by shifting down, going all the way to first gear,
if needed.
No objects in the area around the pedals
Keep floor mats, carpets, and any other
Brake disc corrosion
objects out of the pedal area; otherwise, the
Brake disc corrosion and contamination of the
function of the pedals could be impeded while
brake pads are favored by:
driving and create the risk of an accident.
▷ Low mileage.
Do not place additional floor mats over existing
mats or other objects.
▷ Extended periods when the vehicle is not
used at all.
Only use floor mats that have been approved
for the vehicle and can be properly attached to
▷ Infrequent use of the brakes.
floor.
Corrosion will built up when the maximum
Ensure that the floor mats are securely fas-
pressure applied to the brake pads during
tened again after they were removed for clean-
braking is not reached - thus discs don't get
ing, e.g.◀
cleaned.
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Driving tips Things to remember when driving
Corrosion buildup on the brake discs will cause
a pulsating effect on the brakes in their re-
sponse - generally that cannot be corrected.
Condensation under the parked
vehicle
When using the automatic climate control,
condensation water develops collecting under-
neath the vehicle.
These traces of water under the vehicle are
normal.
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Loading Driving tips
Loading
vehicle and unstable driving situations
Vehicle features and options
may result.
This chapter describes all standard, country-
specific and optional features offered with the
series. It also describes features that are not
necessarily available in your car, e. g., due to
the selected options or country versions. This
also applies to safety-related functions and
systems. The respectively applicable country
provisions must be observed when using the
respective features and systems.
2.
Determine the combined weight of the
Hints
driver and passengers that will be riding in
your vehicle.
Overloading the vehicle
3.
Subtract the combined weight of the driver
To avoid exceeding the approved ca-
and passengers from XXX kilograms or
pacity of the tires, never overload the vehicle.
YYY pounds.
Overloading can lead to overheating and in-
4.
The resulting figure equals the available
creases the rate at which damage develops in-
amount of cargo and luggage load ca-
side the tires. This could result in a sudden
pacity.
loss of tire inflation pressure.◀
For example, if the YYY amount equals
No fluids in the cargo area
1,000 lbs and there will be four 150 lbs
Make sure that fluids do not leak into the
passengers in your vehicle, the amount of
cargo area; otherwise, the vehicle may be dam-
available cargo and luggage load capacity
aged.◀
is 400 lbs: 1,000 lbs minus 600 lbs =
400 lbs.
Heavy and hard objects
5.
Determine the combined weight of lug-
Do not stow any heavy and hard objects
gage and cargo being loaded on the vehi-
in the car's interior without securing them; oth-
cle. That weight may not safely exceed the
erwise, they may present a danger to occu-
available cargo and luggage load capacity
pants, e.g., during braking and evasive maneu-
calculated in Step 4.
vers.◀
Determining the load limit
1. Locate the following statement on your ve-
hicle’s placard:
▷ The combined weight of occupants
and cargo should never exceed XXX kg
or YYY lbs. Otherwise, damage to the
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Driving tips Loading
Load
Securing cargo
Lashing eyes in the trunk
The maximum load is the sum of the weight of
the occupants and the cargo.
To secure the cargo there are four lashing
The greater the weight of the occupants, the
eyes in the cargo area.
less cargo that can be transported.
Floor net
Stowing cargo
The floor net can also be used to secure cargo
and store small parts.
▷
The cover of the high-voltage battery is lo-
cated in the trunk. Do not remove the cover
to stow luggage.
▷
Cover sharp edges and corners on the
cargo.
▷
Heavy cargo: stow as far forward as possi-
ble, directly behind and at the bottom of
the rear passenger seat backrests.
▷
Very heavy cargo: when the rear seat is not
occupied, secure each of the outer safety
Hook the floor net into the fittings in the trunk
belts in the opposite buckle.
floor.
▷
If necessary, fold down the rear backrests
to stow cargo.
Securing cargo
▷
Do not stack cargo above the top edge of
Securing cargo
the backrests.
Stow and secure the cargo as described;
otherwise it may present a danger to the occu-
pants, e.g., during braking and evasive maneu-
vers.◀
▷ Smaller and lighter items: secure with re-
taining straps or draw straps.
▷ Larger and heavy objects: secure with
cargo straps.
Attach the cargo straps, retaining straps or
draw straps to the lashing eyes in the trunk.
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Loading Driving tips
▷ Do not let objects project into the opening
Roof-mounted luggage rack
path of the trunk lid.
Note
▷ Drive cautiously and avoid sudden acceler-
ation and braking maneuvers. Take corners
Roof racks are available as special accessories.
gently.
Securing
Follow the installation instructions of the roof
rack.
Roof drip rail with flaps
The anchorage points are located in the roof
drip rail above the doors.
Fold the cover outward.
Loading
Be sure that adequate clearance is maintained
for tilting and opening the glass sunroof.
Because roof racks raise the vehicle's center
of gravity when loaded, they have a major ef-
fect on vehicle handling and steering re-
sponse.
Therefore, note the following when loading
and driving:
▷ Do not exceed the approved roof/axle
loads and the approved gross vehicle
weight.
▷ Distribute the roof load uniformly.
▷ The roof load should not extend past the
loading area.
▷ Always place the heaviest pieces on the
bottom.
▷ Secure the roof luggage firmly, e.g., tie
with ratchet straps.
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Driving tips Saving fuel
Saving fuel
Vehicle features and options
Close the windows and glass
sunroof
This chapter describes all standard, country-
specific and optional features offered with the
Driving with the glass sunroof and windows
series. It also describes features that are not
open results in increased air resistance and
necessarily available in your car, e. g., due to
thereby reduces the range.
the selected options or country versions. This
also applies to safety-related functions and
systems. The respectively applicable country
Tires
provisions must be observed when using the
respective features and systems.
General information
Tires can affect fuel consumption in various
ways, e.g., tire size may influence fuel con-
General information
sumption.
Your vehicle contains advanced technology for
the reduction of fuel consumption and emis-
Check the tire inflation pressure
sions.
regularly
Fuel consumption depends on a number of dif-
Check and, if needed, correct the tire inflation
ferent factors.
pressure at least twice a month and before
starting on a long trip.
Carrying out certain measures, such as a mod-
erate driving style and regular maintenance,
Low tire inflation pressure increases rolling re-
can influence fuel consumption and the envi-
sistance and thus raises fuel consumption and
ronmental impact.
tire wear.
Remove unnecessary cargo
Drive away immediately
Additional weight increases fuel consumption.
Do not wait for the engine to warm-up while
the vehicle remains stationary. Start driving
right away, but at moderate engine speeds.
Remove attached parts
This is the quickest way of warming the cold
following use
engine up to operating temperature.
Remove auxiliary mirrors, roof or rear luggage
racks which are no longer required following
Look well ahead when
use.
driving
Attached parts on the vehicle impair the aero-
dynamics and increase the fuel consumption.
Avoid unnecessary acceleration and braking.
By maintaining a suitable distance to the vehi-
cle driving ahead of you.
Driving smoothly and proactively reduces fuel
consumption.
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Saving fuel Driving tips
Longer braking procedures result in more effi-
reduce the range, especially in city and stop-
cient charging of the high-voltage battery via
and-go traffic.
energy recovery from braking.
Reel off these functions if they are not needed.
The ECO PRO driving program supports the
energy conserving use of comfort features.
Avoid high engine speeds
These functions are automatically deactivated
As a rule: driving at low engine speeds lowers
partially or completely.
fuel consumption and reduces wear.
Use 1st gear to get the vehicle moving. Start-
Have maintenance carried
ing with the 2nd gear, accelerate rapidly. When
accelerating, shift up before reaching high en-
out
gine speeds.
Have vehicles maintained regularly to achieve
When you reach the desired speed, shift into
optimal vehicle efficiency and operating life.
the highest applicable gear and drive with the
The maintenance should be carried out by
engine speed as low as possible and at a con-
your service center.
stant speed.
Also note the BMW Maintenance System, refer
If necessary, observe the gear shift indicator of
to page 209.
the vehicle, refer to page 90.
ECO PRO
Use coasting
The concept
When approaching a red light, take your foot
off the accelerator and let the vehicle coast to
ECO PRO supports a driving style that saves
a halt.
on fuel consumption. For this purpose, the en-
gine control and comfort features, e. g. the cli-
For going downhill take your foot off the accel-
mate control output, are adjusted.
erator and let the vehicle roll.
eDRIVE electric driving, refer to page 71, and
The flow of fuel is interrupted while coasting.
the Coasting, refer to page 71, driving status
The high-voltage battery is being charged.
are becoming increasingly possible.
In addition, context-sensitive instructions are
displayed to assist with an optimized fuel con-
Switch off the engine during
sumption driving style.
longer stops
The achieved extended range is displayed in
Switch off the engine during longer stops, e.g.,
the instrument cluster as bonus range.
at traffic lights, railroad crossings or in traffic
congestion.
Overview
The system includes the following
EfficientDynamics functions and displays:
Switch off any functions that
▷ ECO PRO bonus range, refer to page 182.
are not currently needed
▷ ECO PRO tips driving instruction, refer to
Functions such as seat heating and the rear
page 183
window defroster require a lot of energy and
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Driving tips Saving fuel
▷ ECO PRO climate control, refer to
The mirror heating is made available when out-
page 182.
side temperatures are very cold.
▷ ECO PRO driving style analysis, refer to
page 183.
ECO PRO potential
Shows potential savings with the current set-
Activate ECO PRO
tings in percentages.
Press button repeatedly until ECO
Display in the instrument cluster
PRO is displayed in the instrument
cluster.
ECO PRO bonus range
An adjusted driving style helps
Configuring ECO PRO
you extend your driving range.
This may be displayed as the
Via the Driving Dynamics Control
bonus range in the instrument
1. Activate ECO PRO.
cluster.
2. "Configure ECO PRO"
The bonus range is shown in the range display.
3. Configure the program.
The bonus range is automatically reset every
time the vehicle is refueled.
Via the iDrive
1. "Settings"
Efficiency display
2. "ECO PRO mode"
Or
Display in the instrument cluster
1. "Settings"
2. "Driving mode"
3. "Configure ECO PRO"
Configure the program.
ECO PRO Tip
▷ "Tip at:":
Adjust the ECO PRO speed.
▷ "ECO PRO speed warning":
Display in the instrument cluster with extended
The output is reduced once the set ECO
range
PRO speed is reached.
ECO PRO climate control
"ECO PRO climate control"
Climate control is set to be fuel-efficient.
By making a slight change to the set tempera-
ture, or slowly adjusting the rate of heating or
cooling of the car's interior, fuel consumption
can be economized.
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Saving fuel Driving tips
A mark in the efficiency display informs about
Symbol Measure
the current driving style.
For efficient driving back off the ac-
Mark in the area of arrow 1: display of the en-
celerator or delay accelerating to al-
ergy recovered by coasting or when braking.
low time to assess road conditions.
Mark in the area of arrow 2: display when ac-
celerating.
Reduce speed to the selected ECO
PRO speed.
Your driving style's efficiency is shown by the
bar's color:
Steptronic transmission: shift from
▷ Blue display: efficient driving style as long
M/S to D.
as the mark moves within the blue range.
▷ Gray display: adjust driving style, e. g. by
backing off the accelerator pedal.
Indications on the Control Display
The display switches to blue as soon as all
Displaying ECO PRO Tips
conditions for fuel-efficiency-optimized driving
are met.
The ECO PRO Tips can also be displayed in
split screen configuration.
ECO PRO tip, driving tip
1. "Vehicle info"
The arrow indicates that the driving
2. "Hybrid"
style can be adjusted to be more fuel
3.
"ECO PRO Tips"
efficient by backing off the accelerator
for instance.
Settings are stored for the profile currently in
use.
Note
ECO PRO driving style analysis
The efficiency display and ECO PRO tips in the
instrument cluster appear when the ECO PRO
The concept
display is activated.
In this situation the system helps develop an
Activating driving style and ECO PRO tips:
especially efficient driving style and to con-
serve fuel.
1. "Settings"
For this purpose, the driving style is analyzed.
2. "Instrument cluster"
The assessment is done in various categories
3. "ECO PRO Info"
and is displayed on the Control Display.
Using this indication, the individual driving
ECO PRO tip, symbols
style can be oriented toward conserving fuel.
An additional symbol and text instructions are
The last fifteen minutes of a trip are evaluated.
displayed.
The range of the vehicle can be extended by
an efficient driving style.
This gain in range is displayed as a bonus
range in the instrument cluster and on the
Control Display.
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Driving tips Saving fuel
Functional requirement
The function is only available in ECO PRO
mode.
Calling up ECO PRO driving style
analysis
1. Activate ECO PRO.
2. "EfficientDynamics"
3.
Select the symbol.
Display on the Control Display
The display of the ECO PRO driving style anal-
ysis consists of a symbolized route and a
lookup table.
The road symbolizes the efficiency of the driv-
ing style. The more efficient the driving style,
the smoother the depicted route becomes, ar-
row 1.
The table of values contains stars. The more
efficient the driving style, the more stars are in-
cluded in the table and the faster the bonus
range increases, arrow 2.
If, on the other hand, the driving style is ineffi-
cient, a wavy road and a reduced number of
stars is displayed.
To assist with an efficient driving style, ECO
PRO tips are displayed during driving.
Tips about the energy saving driving style,
Conserving fuel, refer to page 180.
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Mobility Refueling
Refueling
Vehicle features and options
Fuel lid
This chapter describes all standard, country-
Opening
specific and optional features offered with the
1. Briefly press the rear edge of the fuel filler
series. It also describes features that are not
flap.
necessarily available in your car, e. g., due to
the selected options or country versions. This
also applies to safety-related functions and
systems. The respectively applicable country
provisions must be observed when using the
respective features and systems.
Hints
Observe the fuel recommendation, refer to
page 190, prior to refueling.
2. Turn the tank lid counterclockwise.
Refuel promptly
Refuel no later than at a range of
30 miles/50 km or engine operation might fail
and damage might occur.◀
Do not refuel unless the engine is at a
standstill and the transmission is in posi-
tion P/N
Do not refuel unless the engine is at a standstill
and the transmission is in position P/N, other-
3. Place the tank lid in the bracket attached to
wise the buildup of pressure may cause the
the fuel filler flap.
fuel nozzle to shut off prematurely.◀
Closing
1. Fit the lid and turn it clockwise until you
clearly hear a click.
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Refueling Mobility
2. Close the fuel filler flap.
Do not overfill the fuel tank
Do not pinch the retaining strap
Do not overfill the fuel tank; otherwise
fuel may eslide, causing harm to the environ-
Do not pinch the retaining strap attached
ment and damaging the vehicle.◀
to the lid; otherwise, the lid cannot be closed
properly and fuel vapors can escape.◀
Handling fuels
Observe safety regulations posted at the
Manually unlocking fuel filler flap
gas station.◀
In the event of an electrical malfunction, e.g.
The release is located in the trunk.
1. Open the cover on the right side trim. To
do this, reach behind the top part of the
trim and pull.
2. Pull the green knob with the fuel pump
symbol. This releases the fuel filler flap.
Observe the following when
refueling
The fuel tank is full when the filler nozzle clicks
off the first time.
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Mobility Fuel
Fuel
Ethanol should satisfy the following quality
Vehicle features and options
standards:
This chapter describes all standard, country-
US: ASTM 4806-xx
specific and optional features offered with the
CAN: CGSB-3.511-xx
series. It also describes features that are not
necessarily available in your car, e. g., due to
xx: comply with the current standard in each
the selected options or country versions. This
case.
also applies to safety-related functions and
Do not use a fuel with a higher percent-
systems. The respectively applicable country
age of ethanol
provisions must be observed when using the
Do not use a fuel with a higher ethanol per-
respective features and systems.
centage than recommended or one with other
types of alcohol, e.g. M5 to M100; otherwise
this could damage the engine and fuel supply
Fuel recommendation
system.◀
Note
Recommended fuel grade
General fuel quality
BMW recommends AKI 91.
Even fuels that conform to the specifica-
tions can be of low quality. This may cause en-
Minimum fuel grade
gine problems, for instance poor engine start-
BMW recommends AKI 89.
up behavior, poor handling and/or poor
performance. Switch gas stations or use a
Minimum fuel grade
brand name fuel with a higher octane rating.◀
Do not use any gasoline below the mini-
mum fuel grade as this may impair engine per-
Gasoline
formance.◀
For the best fuel efficiency, the gasoline
If you use gasoline with this minimum AKI Rat-
should be sulfur-free or very low in sulfur con-
ing, the engine may produce knocking sounds
tent.
when starting at high outside temperatures.
Fuels that are marked on the gas pump as con-
This has no effect on the engine life.
taining metal must not be used.
Fuel quality
Refuel only with unleaded gasoline with-
The use of poor-quality fuels may result
out metallic additives.
in harmful engine deposits or damage. Addi-
Do not refuel with any leaded gasoline or gaso-
tionally, problems relating to drivability, start-
line with metallic additives, e. g. manganese or
ing and stalling, especially under certain envi-
iron, as this can cause permanent damage to
ronmental conditions such as high ambient
the catalytic converter and other compo-
temperature and high altitude, may occur.
nents.◀
If drivability problems are encountered, we rec-
Fuels with a maximum ethanol content of
ommend switching to a high quality gasoline
10 %, i. e., E10, may be used for refueling.
brand and a higher octane grade — AKI num-
ber — for a few tank fills. To avoid harmful en-
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Fuel Mobility
gine deposits, it is highly recommended to
purchase gasoline from Top Tier retailers.
Failure to comply with these recommendations
may result in the need for unscheduled main-
tenance.◀
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Mobility Wheels and tires
Wheels and tires
Only check the tire inflation pressure when the
Vehicle features and options
tires are cold. This means after driving no more
This chapter describes all standard, country-
than 1.25 miles/2 km or when the vehicle has
specific and optional features offered with the
been parked for at least 2 hours.
series. It also describes features that are not
The displays of inflation devices may under-
necessarily available in your car, e. g., due to
read by up to 1.45 psi/0.1 bar.
the selected options or country versions. This
For Flat Tire Monitor: after correcting the tire
also applies to safety-related functions and
inflation pressure, reinitialize the Flat Tire
systems. The respectively applicable country
Monitor.
provisions must be observed when using the
respective features and systems.
For Tire Pressure Monitor: after correcting the
tire inflation pressure, reset the Tire Pressure
Monitor.
Tire inflation pressure
Tire inflation pressure specifications
Safety information
The tire inflation pressure table, refer to
The tire characteristics and tire inflation pres-
page 193, contains all tire inflation pressure
sure influence the following:
specifications for the specified tire sizes at the
ambient temperature. Tire inflation pressure
▷ The service life of the tires.
specifications apply to approved tire sizes and
▷ Road safety.
recommended tire brands. This information
▷ Driving comfort.
can be obtained from your service center.
To identify the correct tire inflation pressure,
Checking the tire inflation pressure
please note the following:
Check the tire inflation pressure regularly
▷ Tire sizes of your vehicle.
Regularly check the tire inflation pres-
▷ Maximum permitted driving speed.
sure, and correct it as needed: at least twice a
month and before a long trip. If you fail to ob-
Tire inflation pressures up to
serve this precaution, you may be driving on
100 mph/160 km/h
tires with incorrect tire pressures, a condition
For speeds of up to 100 mph/160 km/h and for
that may not only compromise your vehicle's
optimum driving comfort, note the pressure
driving stability, but also lead to tire damage
values in the tire inflation pressure table, refer
and the risk of an accident.◀
to page 193, and adjust as necessary.
Tires have a natural, consistent loss of tire in-
flation pressure.
Tires heat up while driving, and the tire infla-
tion pressure increases along with the tire's
temperature. The tire inflation pressure speci-
fications relate to cold tires or tires with the
ambient temperature.
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Wheels and tires Mobility
Tire size
Pressure specifications
in bar/PSI
Front: 225/40 R 19
2.4 / 35
-
89 Y RSC
-
2.6 / 38
Rear: 255/35 R 19
92 Y RSC
Front: 225/35 R 20
2.6 / 38
-
90 Y XL RSC
-
3.0 / 44
These pressure values can also be found on
Rear: 255/30 R 20
the tire inflation pressure label on the driver's
92 Y XL RSC
door pillar.
Emergency wheel:
Speed up to a max. of
Maximum permissible speed
50 mph / 80 km/h
T 135/80 R 17 102
Do not exceed 100 mph/160 km/h; other-
M
4.2 / 60
wise, tire damage and accidents may result.◀
Tire inflation pressures at max.
Tire inflation pressure values up to
speeds above 100 mph/160 km/h
100 mph/160 km/h
Speeds above 100 mph/160 km/h
ActiveHybrid 3
In order to drive at maximum speeds in
excess of 100 mph/160 km/h, please observe,
Tire size
Pressure specifications
and, if necessary, adjust tire pressures for
in bar/PSI
speeds exceeding 100 mph/160 km/h from the
relevant table on the following pages. Other-
Specifications in
wise tire damage and accidents could occur.◀
bar/PSI with cold
tires
Tire inflation pressure values over
100 mph/160 km/h
225/45 R 18 91 V
2.2 / 32
2.6 / 38
M+S A/S RSC
ActiveHybrid 3
225/45 R 18 91 Y
Without high-speed tuning feature
RSC
225/50 R 17 94 H
M+S RSC
225/45 R 18 95 V
M+S XL RSC
Front: 225/45 R 18
2.2 / 32
-
91 Y RSC
-
2.4 / 35
Rear: 255/40 R 18
95 Y RSC
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Mobility Wheels and tires
Tire size
Pressure specifications
Tire size
Pressure specifications
in bar/PSI
in bar/PSI
Specifications in
Specifications in
bar/PSI with cold
bar/PSI with cold
tires
tires
225/45 R 18 91 V
2.7 / 39
3.2 / 46
225/45 R 18 91 Y
2.7 / 39
3.2 / 46
M+S A/S RSC
RSC
225/45 R 18 91 Y
225/50 R 17 94 H
RSC
M+S RSC
225/50 R 17 94 H
225/45 R 18 95 V
M+S RSC
M+S XL RSC
225/45 R 18 95 V
Front: 225/45 R 18
2.7 / 39
-
M+S XL RSC
91 Y RSC
-
2.8 / 41
Front: 225/45 R 18
2.7 / 39
-
Rear: 255/40 R 18
91 Y RSC
95 Y RSC
-
2.8 / 41
Rear: 255/40 R 18
Front: 225/40 R 19
2.7 / 39
-
95 Y RSC
89 Y RSC
-
3.0 / 44
Front: 225/40 R 19
2.7 / 39
-
Rear: 255/35 R 19
89 Y RSC
92 Y RSC
-
3.0 / 44
Rear: 255/35 R 19
Front: 225/35 R 20
2.9 /42
-
92 Y RSC
90 Y XL RSC
-
3.4 / 49
Front: 225/35 R 20
2.9 /42
-
Rear: 255/30 R 20
90 Y XL RSC
92 Y XL RSC
-
3.4 / 49
Rear: 255/30 R 20
Emergency wheel:
Speed up to a max. of
92 Y XL RSC
50 mph / 80 km/h
T 135/80 R 17 102
Emergency wheel:
Speed up to a max. of
M
4.2 / 60
50 mph / 80 km/h
T 135/80 R 17 102
M
4.2 / 60
Tire identification marks
With high-speed tuning feature
Tire size
245/45 R 18 96 Y
245: nominal width in mm
45: aspect ratio in %
R: radial tire code
18: rim diameter in inches
96: load rating, not for ZR tires
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Wheels and tires Mobility
Y: speed rating, before the R on ZR tires
All passenger car tires must conform to Fed-
eral Safety Requirements in addition to these
Speed letter
grades.
Q = up to 100 mph, 160 km/h
Treadwear
R = up to 106 mph, 170 km/h
The treadwear grade is a comparative rating
S = up to 112 mph, 180 km/h
based on the wear rate of the tire when tested
T = up to 118 mph, 190 km/h
under controlled conditions on a specified gov-
H = up to 131 mph, 210 km/h
ernment test course. For example, a tire
graded 150 would wear one and one-half, 1 g,
V = up to 150 mph, 240 km/h
times as well on the government course as a
W = up to 167 mph, 270 km/h
tire graded 100. The relative performance of
Y = up to 186 mph, 300 km/h
tires depends upon the actual conditions of
their use, however, and may depart signifi-
Tire Identification Number
cantly from the norm due to variations in driv-
DOT code: DOT xxxx xxx 0115
ing habits, service practices and differences in
road characteristics and climate.
xxxx: manufacturer code for the tire brand
xxx: tire size and tire design
Traction
0115: tire age
The traction grades, from highest to lowest,
Tires with DOT codes meet the guidelines of
are AA, A, B, and C.
the U.S. Department of Transportation.
Those grades represent the tire's ability to
stop on wet pavement as measured under
Tire age
controlled conditions on specified government
DOT … 0115: the tire was manufactured in the
test surfaces of asphalt and concrete. A tire
1st week of 2015.
marked C may have poor traction performance.
The traction grade assigned to this tire is
Recommendation
based on straight-ahead braking traction tests,
Regardless of wear and tear, replace tires at
and does not include acceleration, cornering,
least every 6 years.
hydroplaning, or peak traction characteristics.
Uniform Tire Quality Grading
Temperature
Quality grades can be found where applicable
The temperature grades are A, the highest, B,
on the tire sidewall between tread shoulder
and C, representing the tire's resistance to the
and maximum section width.
generation of heat and its ability to dissipate
heat when tested under controlled conditions
For example: Treadwear 200; Traction AA;
on a specified indoor laboratory test wheel.
Temperature A
Sustained high temperature can cause the ma-
terial of the tire to degenerate and reduce tire
DOT Quality Grades
life, and excessive temperature can lead to
Treadwear
sudden tire failure. The grade C corresponds
Traction AA A B C
to a level of performance which all passenger
Temperature A B C
car tires must meet under the Federal Motor
Vehicle Safety Standard No. 109. Grades Band
A represent higher levels of performance on
195
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Mobility Wheels and tires
the laboratory test wheel than the minimum re-
Minimum tread depth
quired by law.
Temperature grade for this tire
The temperature grade for this tire is es-
tablished for a tire that is properly inflated and
not overloaded. Excessive speed, underinfla-
tion, or excessive loading, either separately or
in combination, can cause heat buildup and
possible tire failure.
If necessary, have the vehicle towed.◀
Wear indicators are distributed around the
tire's circumference and have the legally re-
RSC - Run-flat tires
quired minimum height of 0.063 in/1.6 mm.
Run-flat tires, refer to page 198, are labeled
with a circular symbol containing the letters
They are marked on the side of the tire with
RSC marked on the sidewall.
TWI, Tread Wear Indicator.
M+S
Winter and all-season tires with better cold
Tire damage
weather performance than summer tires.
General information
Inspect your tires often for damage, foreign
Tire tread
objects lodged in the tread, and tread wear.
Summer tires
Hints
Do not drive with a tire tread depth of less than
Driving over rough or damaged road surfaces,
0.12 in/3 mm.
as well as debris, curbs and other obstacles
can cause serious damage to wheels, tires and
There is an increased danger of hydroplaning if
suspension parts. This is more likely to occur
the tire tread depth is less than 0.12 in/3 mm.
with low-profile tires, which provide less cush-
ioning between the wheel and the road. Be
Winter tires
careful to avoid road hazards and reduce your
Do not drive with a tire tread depth of less than
speed, especially if your vehicle is equipped
0.16 in/4 mm.
with low-profile tires.
Below a tread depth of 0.16 in/4 mm, tires are
Indications of tire damage or other vehicle de-
less suitable for winter operation.
fects:
▷ Unusual vibrations while driving.
▷ Unusual handling such as a strong ten-
dency to pull to the left or right.
Damage can, e. g., be caused by driving over
curbs, road damage, or similar things.
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Wheels and tires Mobility
In case of tire damage
Approved wheels and tires
If there are indications of tire damage, re-
You should only use wheels and tires
duce your speed immediately and have the
that have been approved by the vehicle manu-
rims and tires checked right away; otherwise,
facturer for your vehicle type; otherwise, e.g.,
there is the increased risk of an accident.
despite having the same official size ratings,
variations can lead to chassis contact and with
Drive carefully to the nearest service center. If
it, the risk of severe accidents
necessary, have the vehicle towed or trans-
ported there. Otherwise, tire damage can be-
The manufacturer of your vehicle cannot eval-
come life threatening for vehicle occupants
uate non-approved wheels and tires to deter-
and also other traffic.◀
mine if they are suited for use, and therefore
cannot guarantee the operating safety of the
Repair of tire damage
vehicle.◀
For safety reasons, the manufacturer of
your vehicle recommends that you do not have
Recommended tire brands
damaged tires repaired; they should be re-
placed. Otherwise, damage can occur as a re-
sult.◀
Changing wheels and tires
Mounting
Information on mounting tires
Have mounting and balancing performed
For each tire size, the manufacturer of your ve-
only by a service center.
hicle recommends certain tire brands. These
can be identified by a star on the tire sidewall.
If work is not carried out properly, there is a
danger of subsequent damage and related
With proper use, these tires meet the highest
safety hazards.◀
standards for safety and handling.
Wheel and tire combination
New tires
You can ask the service center about the right
Tire traction is not optimal due to manufactur-
wheel/tire combination and wheel rim versions
ing circumstances when tires are brand-new;
for the vehicle.
they achieve their full traction potential after a
Incorrect wheel and tire combinations impair
break-in time.
the function of a variety of systems such as
Drive conservatively for the first
ABS or DSC.
200 miles/300 km.
To maintain good handling and vehicle re-
sponse, use only tires with a single tread con-
Retreaded tires
figuration from a single manufacturer.
The manufacturer of your vehicle does not rec-
Following tire damage, have the original wheel
ommend the use of retreaded tires.
and tire combination remounted on the vehicle
as soon as possible.
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