2007 MERCEDES-BENZ R350 Owner's Manual

464 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
. Cornering lamp
LeftThe left corner-illuminating front
fog lamp is malfunctioning.Replace the bulb as soon as possible
(
page 484).
Cornering lamp
RightThe right corner-illuminating
front fog lamp is malfunctioning.Replace the bulb as soon as possible
(
page 484).
Front foglamp
LeftThe left front fog lamp is
malfunctioning.Replace the bulb as soon as possible
(
page 484).
Front foglamp
RightThe right front fog lamp is
malfunctioning.Replace the bulb as soon as possible
(
page 484).
High beam
LeftThe left high beam lamp is
malfunctioning.Halogen headlamp:
Replace the bulb as soon as possible
(
page 484).
Bi-Xenon* headlamp:
Contact an authorized Mercedes-Benz
Light Truck Center as soon as possible.
High beam
RightThe right high beam lamp is
malfunctioning.Halogen headlamp:
Replace the bulb as soon as possible
(
page 484).
Bi-Xenon* headlamp:
Contact an authorized Mercedes-Benz
Light Truck Center as soon as possible.

465 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
. License plate lamp
LeftThe left license plate lamp is
malfunctioning.Replace the bulb as soon as possible
(
page 484).
License plate lamp
RightThe right license plate lamp is
malfunctioning.Replace the bulb as soon as possible
(
page 484).
Low beam
LeftThe left low beam lamp is
malfunctioning.Halogen headlamp:
Replace the bulb as soon as possible
(
page 484).
Bi-Xenon* headlamp:
Contact an authorized Mercedes-Benz
Light Truck Center as soon as possible.
Low beam
RightThe right low beam lamp is
malfunctioning.Halogen headlamp:
Replace the bulb as soon as possible
(
page 484).
Bi-Xenon* headlamp:
Contact an authorized Mercedes-Benz
Light Truck Center as soon as possible.

466 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
. Marker lamp
Front LeftThe left front side marker lamp is
malfunctioning.Contact an authorized Mercedes-Benz
Light Truck Center as soon as possible.
Marker lamp
Front RightThe right front side marker lamp
is malfunctioning.Contact an authorized Mercedes-Benz
Light Truck Center as soon as possible.
Parking lamp
Front leftThe front left parking lamp is
malfunctioning. A substitute
bulb is being used.Replace the bulb as soon as possible
(
page 484).
Parking lamp
Front rightThe front right parking lamp is
malfunctioning. A substitute
bulb is being used.Replace the bulb as soon as possible
(
page 484).
Foglamp
Rear LeftThe left rear fog lamp is malfunc-
tioning.Replace the bulb as soon as possible
(
page 484).
Reverse lamp
LeftThe left backup lamp is
malfunctioning.Replace the bulb as soon as possible
(
page 484).
Reverse lamp
RightThe right backup lamp is
malfunctioning.Replace the bulb as soon as possible
(
page 484).

467 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
. Switch off lightsYou have removed the SmartKey
from the starter switch and
opened the driver’s door or
removed the SmartKey with
KEYLESS-GO* from the vehicle
and left the headlamps on.Turn the exterior lamp switch toM
(
page 146).
Switch off lights
or remove keyYou have opened the driver’s
door while the exterior lamp
switch is in position U and
the SmartKey is still in the
starter switch.
The parking lamps are still on.Turn the exterior lamp switch toM
(
page 146).
or
Remove the SmartKey from the starter
switch.
Tail lamp
LeftThe left tail lamp is malfunction-
ing. A substitute bulb is being
used.Replace the bulb as soon as possible
(
page 484).
Tail lamp
RightThe right tail lamp is malfunc-
tioning. A substitute bulb is
being used.Replace the bulb as soon as possible
(
page 484).

468 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
. Turn signal
Rear LeftThe left rear turn signal lamp is
malfunctioning. A substitute
bulb is being used.Replace the bulb as soon as possible
(
page 484).
Turn signal
Rear RightThe right rear turn signal lamp is
malfunctioning. A substitute
bulb is being used.Replace the bulb as soon as possible
(
page 484).
Turn signal
Front LeftThe left front turn signal lamp is
malfunctioning. A substitute
bulb is being used.Replace the bulb as soon as possible
(
page 484).
Turn signal
Front RightThe right front turn signal lamp is
malfunctioning. A substitute
bulb is being used.Replace the bulb as soon as possible
(
page 484).
Turn signal
Left mirrorThe turn signal in the left exteri-
or rear view mirror is malfunc-
tioning. This message will only
appear if all light emitting diodes
have stopped working.Contact an authorized Mercedes-Benz
Light Truck Center as soon as possible.
Turn signal
Right mirrorThe turn signal in the right exte-
rior rear view mirror is malfunc-
tioning. This message will only
appear if all light emitting diodes
have stopped working.Contact an authorized Mercedes-Benz
Light Truck Center as soon as possible.

469 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
L Tele Aid
inoperativeOne or more main functions of the
Tele Aid* system are malfunctioning.Have the Tele Aid* system checked
by an authorized Mercedes-Benz Light
Truck Center.
Tele Aid
batteryThe emergency power battery for the
Tele Aid* system is malfunctioning. If the
vehicle battery is also malfunctioning or
drained, Tele Aid* will not be operational.Have the Tele Aid* system checked
by an authorized Mercedes-Benz Light
Truck Center.
tFunction
unavailableThis display appears if buttont or
son the multifunction steering wheel
is pressed and the vehicle is not equipped
with a telephone.
WTop up
washer fluidThe fluid level has dropped to
about1/3of total reservoir capacity.
Add washer fluid (page 372).

470 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
n*STOP
car too lowThe AIRMATIC* is inoperative.Avoid large steering angles.
Otherwise a fender or tire could
be damaged.
Do not drive faster than 50 mph
(80 km/h).
Have the vehicle checked at an
authorized Mercedes-Benz Light
Truck Center.
MalfunctionThe AIRMATIC* is malfunctioning.Do not drive faster than 50 mph
(80 km/h) depending on the set
vehicle level.
Have the vehicle checked at an
authorized Mercedes-Benz Light
Truck Center.
MalfunctionThe AIRMATIC* is functional only to a
limited extent.Do not drive faster than 50 mph
(80 km/h) depending on the set
vehicle level.
Have the vehicle checked at an
authorized Mercedes-Benz Light
Truck Center.

471 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
n*Vehicle rising
wait brieflyThe vehicle level is too low.Do not drive off.
The vehicle level control* has not yet
adjusted the vehicle level to the nec-
essary height required for driving.
Wait until the message disappears
from the multifunction display.
You may then drive off.
Compressor
cooling downLevel control was activated too long/too
frequently.Let the compressor cool until the
message disappears.
The selected level will be set once the
compressor has cooled down.
Level selection
not permittedYou are driving too fast for the desired
level selection.Reduce vehicle speed.
Set the next higher level
(
page 287).
!When the message Compressor cooling
down
appears in the multifunction display, driv-
ing is still possible.Keep in mind that the ride height of the vehicle is
not yet reached and you could therefore damage
the underbody of the vehicle.
The selected level will be set once the compres-
sor has cooled down.