Mercedes-Benz ML320. Manual — part 106

251

Practical hints

What to do if …

Problem

Possible cause

Suggested solution

v

The yellow 4-ETS/ESP warning
lamp comes on steady while
driving.

The ESP is deactivated.

Risk of accident!

Adapt your speed and driving to the prevail-
ing road and weather conditions.

왘

Switch the ESP back on (

컄

page 82).

If the ESP cannot be switched back on,
have the system checked at an autho-
rized Mercedes-Benz Light Truck Center
as soon as possible.

v

The yellow 4-ETS/ESP warning
lamp flashes while driving.

The ESP or 4-ETS has come into operation
because of detected traction loss in at least
one tire.

왘

During take-off, apply as little throttle
as possible.

왘

While driving, ease up on the accele-
rator.

왘

Adapt your speed and driving to the
prevailing road and weather condi-
tions.

왘

Do not deactivate the ESP.
Exceptions: (

컄

page 81).

Failure to follow these instructions in-
creases the risk of accidents.

252

Practical hints

What to do if …

Problem

Possible cause

Suggested solution

{

The yellow ETS malfunction indi-
cator lamp comes on while driv-
ing.

4-ETS has switched off to prevent overheat-
ing of the brakes. Also see 4-ETS/ESP warn-
ing lamp (

컄

page 251).

As soon as the brakes have cooled off,
4-ETS switches on again.

The indicator lamp goes out.

4-ETS is malfunctioning and has switched off.

왘

Have the 4-ETS checked at an autho-
rized Mercedes-Benz Light Truck Cen-
ter as soon as possible.

ê

The yellow LOW RANGE indicator
lamp flashes after one or more
switching conditions.

The gear selection conditions have not been
adhered to.

왘

Repeat the gear selection process
(

컄

page 125).

ê

The yellow LOW RANGE indicator
lamp flashes after switching the
ignition on.

LOW RANGE mode is malfunctioning.

Have the LOW RANGE mode checked at
an authorized Mercedes-Benz Light Truck
Center.

The yellow fuel tank reserve
warning lamp comes on while
driving.

The fuel level has gone below the reserve
mark.

왘

Refuel at the next gas station
(

컄

page 214).

The yellow fuel tank reserve
warning lamp flashes when leav-
ing the engine running.

The fuel cap is not closed tightly.

왘

Check the fuel cap (

컄

page 214).

253

Practical hints

What to do if …

Problem

Possible cause

Suggested solution

:

The yellow warning lamp flashes
after starting the engine or while
driving.

The engine oil level has sunk to the minimum
level. If the engine oil level continues to sink,
the warning lamp will light up.

왘

Add approved oil at the next gas
station (

컄

page 302).

왘

If oil loss is visible on the engine, have
the malfunction corrected as soon as
possible at a Mercedes-Benz Light
Truck Center.

_

The red indicator lamp does not
go out after starting the engine.

The adjustable telescoping steering column
is not properly locked.

왘

Lock the adjustable steering column
(

컄

page 39).

‡

The green front fog lamp indica-
tor lamp lights up when ignition
is turned on.

The front fog lamps are switched on.

왘

Fog lamps (

컄

page 111).

<

The red seat belt warning lamp
illuminates for a brief period
after starting the engine.

The warning lamp reminds you to fasten seat
belts.

왘

Fasten your seat belt (

컄

page 64).

W

The yellow low washer system
fluid level lamp comes on after
starting the engine or while driv-
ing.

There is approximately 1.3 US qt. (1.25 l) of
washer fluid remaining in the reservoir.

왘

Add washer fluid (

컄

page 224).

The washer fluid may have frozen.

왘

Move the vehicle to a warmer environ-
ment so that the washer fluid will
thaw.

왘

Correct the concentration level after
the washer fluid in the reservoir
thaws.

254

Practical hints

What to do if …

Problem

Possible cause

Suggested solution

#

The red charge indicator lamp
comes on when the engine is
running.

The battery is no longer charging.

Possible causes:

앫

alternator malfunctioning

앫

broken poly-V-belt

왘

Stop immediately and check the
poly-V-belt.

If it is broken

왘

Do not continue to drive, before the
poly-V-belt is replaced.

Notify an authorized Mercedes-Benz
Light Truck Center.

2

The yellow brake indicator lamp
comes on during braking or after
starting the engine.

The brake pads are worn down.

왘

Have the system checked at an autho-
rized Mercedes-Benz Light Truck
Center.

!

Brake pad thickness must be visually
checked by a qualified technician at the
intervals specified in the Service book-
let.