Mersedes Maybach S-Class. Service Manual — part 17
Display messages
Possible causes/consequences and M Solutions
÷
Currently Unavaila‐
ble See Operator's
Manual
ESP
®
, BAS, PRE‑SAFE
®
, the HOLD function, Hill Start Assist, Cross-
wind Assist, STEER CONTROL, Active Lane Keeping Assist and Active
Blind Spot are unavailable due to a malfunction.
BAS PLUS with Cross-Traffic Assist, PRE‑SAFE
®
Brake, PRE‑SAFE
®
PLUS and COLLISION PREVENTION ASSIST PLUS may also have
failed.
The ÷ warning lamp also lights up in the instrument cluster.
The self-diagnosis function might not be complete, for example.
ATTENTION ASSIST is deactivated.
G
WARNING
The brake system continues to function normally, but without the
functions listed above. The wheels could therefore lock if you brake
hard, for example.
The braking distance in an emergency braking situation can thus
increase.
If ESP
®
is not operational, ESP
®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X
Carefully drive a suitable distance, making slight steering move-
ments at a speed above 12 mph (20 km/h).
If the display message disappears, the functions mentioned above
are available again.
If the multifunction display still shows the display message:
X
Drive on carefully.
X
Visit a qualified specialist workshop immediately.
T!
÷
Inoperative See
Operator's Manual
EBD (electronic brake force distribution), ABS, ESP
®
, BAS,
PRE‑SAFE
®
, the HOLD function, Hill Start Assist, Crosswind Assist,
STEER CONTROL, Active Lane Keeping Assist and Active Blind Spot
Assist are unavailable due to a malfunction.
BAS PLUS with Cross-Traffic Assist, PRE‑SAFE
®
Brake, PRE‑SAFE
®
PLUS and COLLISION PREVENTION ASSIST PLUS may also have
failed.
In addition, the ÷ and ! warning lamps light up in the instru-
ment cluster and a warning tone sounds.
G
WARNING
The brake system continues to function normally, but without the
functions listed above. The front and rear wheels could therefore lock
if you brake hard, for example.
The steerability and braking characteristics may be severely affected.
The braking distance in an emergency braking situation can increase.
If ESP
®
is not operational, ESP
®
is unable to stabilize the vehicle.
There is an increased risk of skidding and an accident.
X
Drive on carefully.
X
Visit a qualified specialist workshop immediately.
280
Display messages
On-board
compu
te
rand
displays
-------------------------------------------------------------------------------------------------------------------------------------------------------------
Display messages
Possible causes/consequences and M Solutions
F
(USA
only)
!
(Canada
only)
Turn On the Igni‐
tion to Release the
Parking Brake
The red F (USA only) or ! (Canada only) indicator lamp lights
up.
You attempted to release the electric parking brake while the ignition
was switched off.
X
Switch on the ignition.
F
(USA
only)
!
(Canada
only)
Please Release Park‐
ing Brake
The red F (USA only) or ! (Canada only) indicator lamp flashes
and a warning tone sounds. A condition for automatic release of the
electric parking brake is not fulfilled (
Y
page 190).
You are driving with the electric parking brake applied.
X
Release the electric parking brake manually.
The red F (USA only) or ! (Canada only) indicator lamp flashes
and a warning tone sounds.
You are using the electric parking brake for emergency braking
(
Y
page 190).
F
(USA
only)
!
(Canada
only)
Parking Brake See
Operator's Manual
The yellow ! warning lamp lights up.
The electric parking brake is malfunctioning.
To apply:
X
Switch the ignition off.
X
Press the electric parking brake handle for at least ten seconds.
X
Shift the transmission to position P.
X
Consult a qualified specialist workshop.
The yellow ! warning lamp and the red F (USA only) or !
(Canada only) indicator lamp light up.
The electric parking brake is malfunctioning.
To release:
X
Switch off the ignition and turn it back on.
X
Release the electric parking brake manually.
or
X
Release the electric parking brake automatically (
Y
page 190).
If the electric parking brake still cannot be released:
X
Do not drive on.
X
Consult a qualified specialist workshop.
Display messages
281
O
n-board
com
puter
and
di
spla
ys
Z
-------------------------------------------------------------------------------------------------------------------------------------------------------------
Display messages
Possible causes/consequences and M Solutions
The red F (USA only) or ! (Canada only) indicator lamp flashes
and the yellow ! warning lamp lights up.
The electric parking brake is malfunctioning.
To release:
X
Switch off the ignition and turn it back on.
X
Release the electric parking brake manually.
To apply:
X
Switch off the ignition and turn it back on.
X
Apply the electric parking brake manually.
If the red F (USA only) or ! (Canada only) indicator lamp con-
tinues to flash:
X
Do not drive on.
X
Secure the vehicle against rolling away (
Y
page 406).
X
Shift the transmission to position P.
X
Turn the front wheels towards the curb.
X
Consult a qualified specialist workshop.
The yellow ! warning lamp lights up. The red F (USA only)
or ! (Canada only) indicator lamp flashes for about ten seconds
after the electric parking brake has been applied or released. It then
goes out or remains lit.
The electric parking brake is malfunctioning.
X
Switch off the ignition and turn it back on.
X
Apply the electric parking brake.
If it is not possible to engage the electric parking brake:
X
Shift the transmission to position P.
X
Visit a qualified specialist workshop.
If it is not possible to release the electric parking brake:
X
Release the electric parking brake automatically (
Y
page 190).
If the electric parking brake still cannot be released:
X
Consult a qualified specialist workshop.
The yellow ! warning lamp lights up. If you manually apply or
release the electric parking brake, the red F (USA only) or !
(Canada only) indicator lamp flashes.
The electric parking brake is malfunctioning. It is not possible to apply
the electric parking brake manually.
X
Shift the transmission to position P.
X
Visit a qualified specialist workshop.
282
Display messages
O
n-board
com
puter
and
di
spla
ys
-------------------------------------------------------------------------------------------------------------------------------------------------------------
Display messages
Possible causes/consequences and M Solutions
F
(USA
only)
!
(Canada
only)
Parking Brake Inop‐
erative
The yellow ! warning lamp lights up. The red F (USA only)
or ! (Canada only) indicator lamp flashes for about ten seconds
after the electric parking brake has been applied or released. It then
goes out or remains lit.
The electric parking brake is malfunctioning, e.g. because of over-
voltage or undervoltage.
X
Remove the cause for the overvoltage or undervoltage, e.g. by
charging the battery or restarting the engine.
X
Engage or release the electric parking brake.
If it remains impossible to apply or release the electric parking brake:
X
Switch off the ignition and turn it back on.
X
Engage or release the electric parking brake.
If the electric parking brake still cannot be released:
X
Consult a qualified specialist workshop.
If the electric parking brake still cannot be applied:
X
Visit a qualified specialist workshop.
The yellow ! warning lamp lights up and the red F (USA only)
or ! (Canada only) indicator lamp flashes.
It is not possible to apply the electric parking brake manually.
X
Shift the transmission to position P.
X
Visit a qualified specialist workshop.
$
(USA
only)
J
(Canada
only)
Check Brake Fluid
Level
There is not enough brake fluid in the brake fluid reservoir.
In addition, the $ (USA only) or J (Canada only) warning lamp
lights up in the instrument cluster and a warning tone sounds.
G
WARNING
The braking effect may be impaired.
There is a risk of an accident.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X
Secure the vehicle against rolling away (
Y
page 189).
X
Consult a qualified specialist workshop.
X
Do not add brake fluid. This does not correct the malfunction.
#
Check Brake Pad Wear
The brake pads/linings have reached their wear limit.
USA only: the red $ brake system warning lamp also lights up while
the engine is running.
X
Visit a qualified specialist workshop.
G
Inoperative
One or more main features of the mbrace system are malfunctioning.
X
Visit a qualified specialist workshop.
Display messages
283
O
n-board
com
puter
and
di
spla
ys
Z
-------------------------------------------------------------------------------------------------------------------------------------------------------------
Display messages
Possible causes/consequences and M Solutions
Collision Preven‐
tion Assist Plus
Currently Unavaila‐
ble See Operator's
Manual
COLLISION PREVENTION ASSIST PLUS is temporarily not operational.
Possible causes are:
R
the radar sensor system is temporarily inoperative, e.g. due to elec-
tromagnetic radiation emitted by nearby TV or radio stations or
other sources of electromagnetic radiation.
R
the system is outside the operating temperature range.
R
the on-board voltage is too low.
When the causes stated above no longer apply, the display message
disappears.
COLLISION PREVENTION ASSIST PLUS is operational again.
If the display message does not disappear:
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X
Secure the vehicle against rolling away (
Y
page 189).
X
Restart the engine.
Collision Preven‐
tion Assist Plus
Inoperative
COLLISION PREVENTION ASSIST PLUS is temporarily inoperative due
to a malfunction. Adaptive Brake Assist may also have failed.
X
Visit a qualified specialist workshop immediately.
PRE-SAFE Inopera‐
tive See Operator's
Manual
Important functions of PRE-SAFE
®
have failed. All other occupant
safety systems, e.g. air bags, remain available.
X
Visit a qualified specialist workshop immediately.
PRE-SAFE Functions
Currently Limited
See Operator's Man‐
ual
PRE‑SAFE
®
PLUS or PRE‑SAFE
®
Brake is temporarily inoperative.
Possible causes are:
R
function is impaired due to heavy rain or snow.
R
the radar sensor system is temporarily inoperative, e.g. due to elec-
tromagnetic radiation emitted by nearby TV or radio stations or
other sources of electromagnetic radiation.
R
the system is outside the operating temperature range.
R
the on-board voltage is too low.
When the causes stated above no longer apply, the display message
disappears.
PRE‑SAFE
®
PLUS and PRE‑SAFE
®
Brake are operational again.
If the display message does not disappear:
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X
Secure the vehicle against rolling away (
Y
page 189).
X
Restart the engine.
PRE-SAFE Functions
Limited See Opera‐
tor's Manual
PRE‑SAFE
®
PLUS or PRE‑SAFE
®
Brake is unavailable due to a mal-
function. BAS PLUS with Cross-Traffic Assist may also have failed.
X
Visit a qualified specialist workshop immediately.
284
Display messages
O
n-board
com
puter
and
di
spla
ys
-------------------------------------------------------------------------------------------------------------------------------------------------------------
Display messages
Possible causes/consequences and M Solutions
Radar Sensors Dirty
See Operator's Man‐
ual
At least one of the following driving systems or driving safety systems
is temporarily restricted or inoperative:
R
PRE-SAFE
®
PLUS
R
PRE-SAFE
®
Brake
R
COLLISION PREVENTION ASSIST PLUS
R
Active Lane Keeping Assist
R
Active Blind Spot Assist
R
DISTRONIC PLUS with Steering Assist and Stop&Go Pilot
If the radar sensor system in front is dirty, Active Blind Spot Assist will
not perform a course-correcting brake application.
Possible causes are:
R
the sensors in the radiator trim and/or in the bumpers are dirty
R
the function of the driving system and/or driving safety system is
impaired due to heavy rain or snow.
A warning tone also sounds.
When the causes stated above no longer apply, the display message
disappears. All driving systems and driving safety systems are oper-
ative again.
If the display message does not disappear:
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X
Secure the vehicle against rolling away (
Y
page 189).
X
Switch off the engine.
X
Clean the sensors in the following locations (
Y
page 362):
R
in the radiator trim
R
in the front bumper
R
in the rear bumper, particularly in the middle of the rear bumper
X
Restart the engine.
The display message disappears.
Check Left Rear
Belt See Operator's
Manual
or
Check
Right Rear Belt See
Operator's Manual
The seat belt buckle extender on the right or left of the rear compart-
ment is not in the predefined position. The belt strap may be jammed
in the belt tongue.
G
WARNING
If the seat belt buckle extender is not in the predefined position, the
seat belt cannot provide the intended level of protection.
There is an increased risk of injury.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X
Release the jamming.
X
Repeat the seat belt fastening procedure.
Display messages
285
O
n-board
com
puter
and
di
spla
ys
Z
-------------------------------------------------------------------------------------------------------------------------------------------------------------
Display messages
Possible causes/consequences and M Solutions
The seat belt buckle extender on the right or left of the rear compart-
ment is not in the predefined position. The seat belt buckle extender
may be jammed.
G
WARNING
If the seat belt buckle extender is not in the predefined position, the
seat belt cannot provide the intended level of protection.
There is an increased risk of injury.
X
Move the seat cushion forwards (
Y
page 107) and remove the cause
of the jam.
X
Repeat the seat belt fastening procedure.
The seat belt buckle extender on the right or left of the rear compart-
ment is not in the predefined position. The seat belt may be locked.
G
WARNING
If the seat belt buckle extender is not in the predefined position, the
seat belt cannot provide the intended level of protection.
There is an increased risk of injury.
X
Completely take off your seat belt.
X
Repeat the seat belt fastening procedure.
The seat belt buckle extender on the right or left of the rear compart-
ment is not in the predefined position. There is not enough belt slack
in the system.
G
WARNING
If the seat belt buckle extender is not in the predefined position, the
seat belt cannot provide the intended level of protection.
There is an increased risk of injury.
X
Loosen the seat belt.
X
Repeat the seat belt fastening procedure.
The seat belt buckle extender on the right or left of the rear compart-
ment is not in the predefined position. The assistance measures
specified have been carried out. There is still a malfunction.
G
WARNING
If the seat belt buckle extender is not in the predefined position, the
seat belt cannot provide the intended level of protection.
There is an increased risk of injury.
X
Visit a qualified specialist workshop immediately.
286
Display messages
O
n-board
com
puter
and
di
spla
ys
-------------------------------------------------------------------------------------------------------------------------------------------------------------
Display messages
Possible causes/consequences and M Solutions
6
SRS Malfunction Ser‐
vice Required
The restraint system is faulty. The 6 warning lamp also lights up in
the instrument cluster.
G
WARNING
The air bags or Emergency Tensioning Devices may either be triggered
unintentionally or, in the event of an accident, may not be triggered.
There is an increased risk of injury.
X
Visit a qualified specialist workshop immediately.
For further information about the restraint system, see (
Y
page 44).
6
Front Left Malfunc‐
tion Service
Required
or
Front
Right Malfunction
Service Required
The restraint system has malfunctioned at the front on the left or right.
The 6 warning lamp also lights up in the instrument cluster.
G
WARNING
The air bags or Emergency Tensioning Devices may either be triggered
unintentionally or, in the event of an accident, may not be triggered.
There is an increased risk of injury.
X
Visit a qualified specialist workshop immediately.
6
Rear Left Malfunc‐
tion Service
Required
or
Rear
Right Malfunction
Service Required
The restraint system has malfunctioned at the rear on the left or right.
The 6 warning lamp also lights up in the instrument cluster.
G
WARNING
The air bags or Emergency Tensioning Devices may either be triggered
unintentionally or, in the event of an accident, may not be triggered.
There is an increased risk of injury.
X
Visit a qualified specialist workshop immediately.
6
Rear Left Malfunc‐
tion Service
Required
or
Rear
Right Malfunction
Service Required
G
WARNING
If the seat belt buckle extender is not in the predefined position, the
seat belt cannot provide the intended level of protection.
There is an increased risk of injury.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X
Perform the specified assistance measures when display message
Check Left Rear Belt See Operator's Manual
or
Check
Right Rear Belt See Operator's Manual
is shown
(
Y
page 285).
If the display message does not disappear:
X
Visit a qualified specialist workshop immediately.
Display messages
287
O
n-board
com
puter
and
di
spla
ys
Z
-------------------------------------------------------------------------------------------------------------------------------------------------------------
Display messages
Possible causes/consequences and M Solutions
6
Rear Center Malfunc‐
tion Service
Required
The restraint system has malfunctioned at the rear center. The 6
warning lamp also lights up in the instrument cluster.
G
WARNING
The air bags or Emergency Tensioning Devices may either be triggered
unintentionally or, in the event of an accident, may not be triggered.
There is an increased risk of injury.
X
Visit a qualified specialist workshop immediately.
6
Left Side Curtain
Airbag Malfunction
Service Required
or
Right Side Curtain
Airbag Malfunction
Service Required
There is a malfunction in the left-hand or right-hand window curtain air
bag.
The 6 warning lamp also lights up in the instrument cluster.
G
WARNING
The left or right window curtain air bag may either be triggered unin-
tentionally or, in the event of an accident, may not be triggered.
There is an increased risk of injury.
X
Visit a qualified specialist workshop immediately.
288
Display messages
O
n-board
com
puter
and
di
spla
ys
-------------------------------------------------------------------------------------------------------------------------------------------------------------
Display messages
Possible causes/consequences and M Solutions
Front Passenger Air‐
bag Disabled See
Operator's Manual
The front-passenger air bag is deactivated during the journey, even
though:
R
an adult
or
R
a person of the corresponding stature is on the front-passenger seat
If additional forces are applied to the seat, the system may interpret
the occupant's weight as lower than it actually is.
G
WARNING
The front-passenger air bag does not deploy during an accident.
There is an increased risk of injury.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X
Secure the vehicle against rolling away (
Y
page 189).
X
Switch the ignition off.
X
Have the occupant get out of the vehicle.
X
Keep the seat unoccupied, close the front-passenger door and
switch on the ignition.
X
Observe the PASSENGER AIR BAG indicator lamps in the center
console and the multifunction display and check the following:
Seat unoccupied and ignition switched on:
R
a self-diagnosis is carried out. The PASSENGER AIR BAG OFF and
PASSENGER AIR BAG ON indicator lamps must light up simulta-
neously for approximately six seconds
R
the PASSENGER AIR BAG OFF indicator lamp must then light up
and remain lit after the self-diagnosis. If the indicator lamp is on,
OCS has disabled the front-passenger front air bag (
Y
page 54)
R
the display messages
Front Passenger Airbag Enabled
See Operator's Manual
or
Front Passenger Airbag Dis‐
abled See Operator's Manual
must not appear in the multi-
function display.
X
Wait for a period of at least 60 seconds until the necessary system
checks have been completed.
X
Make sure that the display messages do not appear in the multi-
function display.
If these conditions are fulfilled, the front-passenger seat can be occu-
pied again. Whether the PASSENGER AIR BAG OFF or ON indicator
lamp remains lit or goes out depends on how OCS classifies the occu-
pant.
If the conditions are not fulfilled, the system is not operating correctly.
X
Visit a qualified specialist workshop immediately.
For further information about the Occupant Classification System, see
(
Y
page 54).
Display messages
289
O
n-board
com
puter
and
di
spla
ys
Z
-------------------------------------------------------------------------------------------------------------------------------------------------------------
Display messages
Possible causes/consequences and M Solutions
Front Passenger Air‐
bag Enabled See
Operator's Manual
The front-passenger air bag is enabled during the journey, even
though:
R
a child, a small adult or an object weighing less than the system's
weight threshold is located on the front-passenger seat
or
R
the front-passenger seat is unoccupied
The system may detect objects or forces applying additional weight on
the seat.
G
WARNING
The air bag may deploy unintentionally.
There is an increased risk of injury.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X
Secure the vehicle against rolling away (
Y
page 189).
X
Switch the ignition off.
X
Open the front-passenger door.
X
Remove the child and the child restraint system from the front-
passenger seat.
X
Make sure that there are no objects on the seat adding to the
weight.
The system may otherwise detect the additional weight and inter-
pret the seat occupant's weight as greater than it actually is.
X
Keep the seat unoccupied, close the front-passenger door and
switch on the ignition.
X
Observe the PASSENGER AIR BAG indicator lamps in the center
console and the multifunction display and check the following:
Seat unoccupied and ignition switched on:
R
a self-diagnosis is carried out. The PASSENGER AIR BAG OFF and
PASSENGER AIR BAG ON indicator lamps light up simultaneously
for approximately six seconds
R
the PASSENGER AIR BAG OFF indicator lamp must then light up
and remain lit after the self-diagnosis. If the indicator lamp is on,
OCS (Occupant Classification System) has disabled the front-
passenger front air bag (
Y
page 54)
R
the display messages
Front Passenger Airbag Enabled
See Operator's Manual
or
Front Passenger Airbag Dis‐
abled See Operator's Manual
must not appear in the multi-
function display.
X
Wait for a period of at least 60 seconds until the necessary system
checks have been completed.
X
Make sure that the display messages do not appear in the multi-
function display.
If these conditions are fulfilled, the front-passenger seat can be occu-
pied again. Whether the PASSENGER AIR BAG OFF or ON indicator
lamp remains lit or goes out depends on how OCS classifies the occu-
pant.
If the conditions are not fulfilled, the system is not operating correctly.
290
Display messages
O
n-board
com
puter
and
di
spla
ys
-------------------------------------------------------------------------------------------------------------------------------------------------------------
Display messages
Possible causes/consequences and M Solutions
X
Visit a qualified specialist workshop immediately.
For further information about the Occupant Classification System, see
(
Y
page 54).
Lights
i
Vehicles with LED bulbs in the light clusters:
The display message for the corresponding lamp only appears when all of the LEDs in the lamp
have failed.
Display messages
Possible causes/consequences and M Solutions
b
Check Left Corner‐
ing Light
or
Check
Right Cornering
Light
The left or right-hand cornering light is defective.
X
Visit a qualified specialist workshop.
b
Check Left Low Beam
or
Check Right Low
Beam
The left or right-hand low-beam headlamp is defective.
X
Visit a qualified specialist workshop.
b
Check Rear Left
Turn Signal
or
Check Rear Right
Turn Signal
The rear left-hand or rear right-hand turn signal is defective.
X
Visit a qualified specialist workshop.
b
Check Front Left
Turn Signal
or
Check Front Right
Turn Signal
The front left-hand or front right-hand turn signal is defective.
X
Visit a qualified specialist workshop.
b
Check Left Mirror
Turn Signal
or
Check Right Mirror
Turn Signal
The turn signal in the left-hand or right-hand exterior mirror is defec-
tive.
X
Visit a qualified specialist workshop.
b
Check Left Brake
Lamp
or
Check Right
Brake Lamp
The left or right-hand brake lamp is defective.
X
Visit a qualified specialist workshop.
Display messages
291
O
n-board
com
puter
and
di
spla
ys
Z
-------------------------------------------------------------------------------------------------------------------------------------------------------------
Display messages
Possible causes/consequences and M Solutions
b
Check Center Brake
Lamp
The high-mounted brake lamp is faulty.
X
Visit a qualified specialist workshop.
b
Check Left Tail and
Brake Lamps
or
Check Right Tail
and Brake Lamps
The left or right-hand tail lamp/brake lamp is defective.
X
Visit a qualified specialist workshop.
b
Check Left Tail
Lamp
or
Check Right
Tail Lamp
The left or right-hand tail lamp is defective.
X
Visit a qualified specialist workshop.
b
Check Left High
Beam
or
Check Right
High Beam
The left or right-hand high beam is defective.
X
Visit a qualified specialist workshop.
b
License Plate Lamp
The left or right-hand license plate lamp is faulty.
X
Visit a qualified specialist workshop.
b
Check Front Left
Parking Lamp
or
Check Front Right
Parking Lamp
The front left or front right parking or standing lamp is defective.
X
Visit a qualified specialist workshop.
b
Backup Light
The left or right-hand backup lamp is defective.
X
Visit a qualified specialist workshop.
b
Check Front Left
Sidemarker Lamp
or
Check Front Right
Sidemarker Lamp
The front left-hand or front right-hand side marker lamp is faulty.
X
Visit a qualified specialist workshop.
b
Check Rear Left
Sidemarker Lamp
or
Check Rear Right
Sidemarker Lamp
The rear left-hand or rear right-hand side marker lamp is faulty.
X
Visit a qualified specialist workshop.
292
Display messages
O
n-board
com
puter
and
di
spla
ys
-------------------------------------------------------------------------------------------------------------------------------------------------------------
Display messages
Possible causes/consequences and M Solutions
b
Check Left Daytime
Running Light
or
Check Right Daytime
Running Light
The left or right-hand daytime running lamp is faulty.
X
Visit a qualified specialist workshop.
b
Active Headlamps
Inoperative
The active light function is faulty.
X
Visit a qualified specialist workshop.
b
Malfunction See
Operator’s Manual
The exterior lighting is defective.
X
Visit a qualified specialist workshop.
b
Auto Lamp Function
Inoperative
The light sensor is defective.
X
Visit a qualified specialist workshop.
b
Switch Off Lights
You leave the vehicle and the lights are switched on. A warning tone
also sounds.
X
Turn the light switch to position Ã.
b
Switch On Headlamps
You are driving with low-beam headlamps switched off.
X
Turn the light switch to position L or Ã.
Adaptive Highbeam
Assist Plus Inoper‐
ative
Adaptive Highbeam Assist Plus is faulty.
X
Visit a qualified specialist workshop.
Adaptive Highbeam
Assist Plus Cur‐
rently Unavailable
See Operator's Man‐
ual
Adaptive Highbeam Assist Plus is deactivated and temporarily inop-
erative.
Possible causes are:
R
the windshield in the camera's field of vision is dirty.
R
visibility is impaired due to heavy rain, snow or fog.
X
Clean the windshield.
If the system detects that the camera is fully operational again, the
Adaptive Highbeam Assist Plus Available Again
message is
displayed.
Adaptive Highbeam Assist Plus is operational again.
Display messages
293
O
n-board
com
puter
and
di
spla
ys
Z
-------------------------------------------------------------------------------------------------------------------------------------------------------------
Engine
Display messages
Possible causes/consequences and M Solutions
+
Check Coolant Level
See Operator's Man‐
ual
The coolant level is too low.
!
Avoid making long journeys with too little coolant in the engine
cooling system. The engine will otherwise be damaged.
X
Add coolant, observing the warning notes before doing so
(
Y
page 356).
If you have to add coolant frequently:
X
Contact a qualified specialist workshop and have the engine cooling
system checked.
?
The fan motor is faulty.
X
At coolant temperatures below 257 ‡ (125 †), drive to the nearest
qualified specialist workshop.
X
Avoid heavy loads on the engine as you do so, e.g. driving in moun-
tainous terrain and stop-start traffic.
?
Coolant Too Hot
Stop Vehicle Turn
Engine Off
The coolant is too hot.
A warning tone also sounds.
G
WARNING
Do not drive when your engine is overheated. This can cause some
fluids which may have leaked into the engine compartment to catch
fire.
Steam from the overheated engine can also cause serious burns which
can occur just by opening the hood.
There is a risk of injury.
X
Pull over and stop the vehicle safely and switch off the engine, pay-
ing attention to road and traffic conditions.
X
Secure the vehicle against rolling away (
Y
page 189).
X
Wait until the engine has cooled down.
X
Make sure that the air supply to the engine radiator is not blocked,
e.g. by snow, slush or ice.
X
Do not start the engine again until the display message goes out and
the coolant temperature is below 257 ‡ (125 †). Otherwise, the
engine could be damaged.
X
Pay attention to the coolant temperature display.
If the temperature increases again:
X
Visit a qualified specialist workshop immediately.
Under normal operating conditions and with the specified coolant
level, the coolant temperature may rise to 255 ‡ (124 †).
294
Display messages
On-bo
ard
co
mpute
rand
displays
-------------------------------------------------------------------------------------------------------------------------------------------------------------
Display messages
Possible causes/consequences and M Solutions
#
See Operator's Man‐
ual
The battery is not being charged.
A warning tone also sounds.
Possible causes are:
R
a defective alternator
R
defective power electronics (PLUG-IN HYBRID vehicles)
R
a torn poly-V-belt
R
a malfunction in the electronics
!
Do not continue driving. The engine could otherwise overheat.
X
Pull over and stop the vehicle safely and switch off the engine, pay-
ing attention to road and traffic conditions.
X
Secure the vehicle against rolling away (
Y
page 189).
X
Consult a qualified specialist workshop.
#
Stop Vehicle See
Operator's Manual
The battery is no longer being charged and the battery charge level is
too low.
A warning tone also sounds.
X
Pull over and stop the vehicle safely and switch off the engine, pay-
ing attention to road and traffic conditions.
X
Secure the vehicle against rolling away (
Y
page 189).
X
Observe the instructions in the #
See Operator's Manual
display message.
X
Consult a qualified specialist workshop.
#
Stop Vehicle Leave
Engine Running
The battery charge level is too low.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X
Leave the engine running.
X
Wait until the display message disappears before pulling away.
#
Start Engine See
Operator's Manual
The engine is switched off and the battery charge level is too low.
X
Switch off electrical consumers that you do not need, such as the
rear window defroster and interior lighting.
X
Leave the engine running for a few minutes or drive a long distance.
The battery is being charged.
Display messages
295
O
n-board
com
puter
and
di
spla
ys
Z
-------------------------------------------------------------------------------------------------------------------------------------------------------------
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст