Page 260 of 356
258 Practical hintsWhat 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.
Switch the ESP back on (
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.
During take-off, apply as little throttle
as possible.
While driving, ease up on the accele-
rator.
Adapt your speed and driving to the
prevailing road and weather condi-
tions.
Do not deactivate the ESP.
Exceptions: (
page 81).
Failure to follow these instructions in-
creases the risk of accidents.
Page 261 of 356

259 Practical hints
What to do if …
Problem
Possible cause
Suggested solution
{
The yellow ETS malfunction indi-
cator lamp comes on while the
4-ETS / ESP warning lampv
flashes.
4-ETS has switched off to prevent overheat-
ing of the brakes. Also see 4-ETS / ESP warn-
ing lamp (
page 258).
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.
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.
Repeat the gear selection process
(page 127).
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.
Refuel at the next gas station
(page 219).
The yellow fuel tank reserve
warning lamp flashes when leav-
ing the engine running.
The fuel cap is not closed tightly.
Check the fuel cap (
page 219).
Page 262 of 356

260 Practical hintsWhat 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.
Add approved oil at the next gas
station (
page 314).
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.
Lock the adjustable steering column
(page 40).
‡
The green front fog lamp indica-
tor lamp lights up when ignition
is turned on.
The front fog lamps are switched on.
Fog lamps (
page 111).
<
The red seat belt telltale
illuminates for a brief period
after starting the engine.
The telltale reminds you to fasten seat belts.
Fasten your seat belt (
page 64).
The telltale goes out.
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.
Add washer fluid (
page 230).
The washer fluid may have frozen.
Move the vehicle to a warmer environ-
ment so that the washer fluid will
thaw.
Correct the concentration level after
the washer fluid in the reservoir
thaws.
Page 263 of 356
261 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:
alternator malfunctioning
broken poly-V-belt
Stop immediately and check the
poly-V-belt.
If it is broken
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.
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 Maintenance
Booklet.
Page 264 of 356
262 Practical hintsWhat to do if …Problem
Possible cause
Suggested solution
1
The red SRS indicator lamp lights
up while driving.
There is a malfunction in the restraint sys-
tems. The airbags or emergency tensioning
device (ETDs) could deploy unexpectedly or
fail to activate in an accident.
Drive with added caution to the near-
est authorized Mercedes-Benz Light
Truck Center.
Warning!
G
In the event a malfunction of the SRS is indi-
cated as outlined above, the SRS may not be
operational. For your safety, we strongly
recommend that you visit an authorized
Mercedes-Benz Light Truck Center immedi-
ately to have the system checked, otherwise
the SRS may not be activated when needed
in an accident, which could result in serious
or fatal injury, or it might deploy unexpect-
edly and unnecessarily which could result in
an accident / or injury to you or to others.
Page 265 of 356
263 Practical hints
What to do if …
Additional indicators in the speedome-ter displayDisplay
Possible cause
Suggested solution
9
Perform minor service (A) (
page 237).
Visit an authorized Mercedes-Benz
Light Truck Center to perform service.
´
Perform major service (B) (
page 237).
Visit an authorized Mercedes-Benz
Light Truck Center to perform service.
Á
î
The
StArt
message comes on in
addition to the
Error
message.
The immobilizer is not operational.
Contact an authorized
Mercedes-Benz Light Truck Center or
call 1-800-FOR-MERCedes (in the
USA), or 1-800-387-0100 (in Cana-
da).
Page 268 of 356

266 Practical hintsWhere will I find ...?Spare wheel (space-saver tire)
Use the spare wheel only temporarily,
while observing the following restrictions:
Do not exceed vehicle speed of
50 mph (80 km / h).
Drive to the nearest repair facility to
have the flat tire repaired or replaced
as appropriate.
Do not operate vehicle with more than
one spare wheel mounted.Removing spare wheel
The spare wheel is located behind the rear
bumper.
1Cover
Hold left and right side of cover1 and
pull away from bumper.2Screw
3Spare wheel carrier
4Lever
Turn screw2 counterclockwise using
the wrench (
page 265).
Screw2 remains in spare wheel
carrier3.
Lift spare wheel carrier slightly and
push lever4 to the right using screw-
driver (
page 264).
Swing spare wheel carrier3 down and
pull it out from under the bumper.
Warning!
G
The dimensions of the spare wheel are dif-
ferent from those of the road wheels. As a
result, the vehicle handling characteristics
change when driving with a mounted spare
wheel.iPlease comply with the instructions for
“Mounting the spare wheel”
(page 284).
Warning!
G
Exercise care when removing or installing
spare wheel to prevent personal injury.
Page 274 of 356
272 Practical hintsReplacing key batteriesIf the batteries in the remote control are
discharged, the vehicle can no longer be
locked or unlocked. It is recommended to
have the batteries replaced at an autho-
rized Mercedes-Benz Light Truck Center.Batteries contain materials that can harm
the environment if disposed of improperly.
Recycling of batteries is the preferred
method of disposal. Many states require
sellers of batteries to accept old batteries
for recycling.Warning!
G
Keep the batteries out of reach of children.
If a battery is swallowed, seek medical help
immediately.
iWhen replacing batteries, always
replace both batteries.
The required replacement batteries are
available at any Mercedes-Benz Light
Truck Center.