Page 329 of 409
328 Practical hintsWhat to do if ...Left display
Right display
Possible cause/
consequence
Possible solution
±
Engine
Service
There may be a malfunction in
the
fuel injection system
ignition system
exhaust system
fuel system
Have the engine checked by an authorized
Mercedes-Benz Center immediately.
:
Engine oil pressure
Visit
workshop
There is no oil in the engine.
There is a danger of engine
damage.
Stop your vehicle immediately in a safe location.
Switch off the engine.
Notify an authorized Mercedes-Benz Center
immediately.
!The engine oil level warning should not
be ignored. Extended driving with the
symbol displayed could result in seri-
ous engine damage that is not covered
by the Mercedes-Benz Limited
Warranty.
Page 330 of 409

329 Practical hints
What to do if ...
Left display
Right display
Possible cause/
consequence
Possible solution
±
Fuel system
malfunction
Visit
workshop
The fuel cooling system is
malfunctioning.
Visit an authorized Mercedes-Benz Center immediately.
A
Reserve fuel
The fuel level has fallen into the
reserve range.
Refuel at the next gas station (
page 241).
Check
fuel cap
See Oper. Manual
A loss of pressure has been de-
tected in the fuel system. The
fuel cap may not be closed
properly or the fuel system may
be leaky.
Check the fuel cap (
page 241).
If it is not closed properly:
Close the fuel cap.
If it is closed properly:
Have the fuel system checked by an authorized
Mercedes-Benz Center.
ì
Tel
Enter PIN
You have not yet entered your
PIN in you telephone.
Enter the PIN for your SIM card.
O
Close
hood
You are driving with the hood
open.
Close the hood (
page 244).
I
Remove
key
You have forgotten to remove
the SmartKey.
Remove the SmartKey from the starter switch.
Replace
key
No additional code available for
the SmartKey.
Have the SmartKey checked. Notify an authorized
Mercedes-Benz Center.
Page 331 of 409

330 Practical hintsWhat to do if ...Left display
Right display
Possible cause/
consequence
Possible solution
.
3rd brake lamp
The high mounted brake lamp
is malfunctioning.
Visit an authorized Mercedes-Benz Center as soon as
possible.
Brake lamp
Left
Substitute
bulb on
The left brake lamp is malfunc-
tioning. This message will only
appear if a critical number of
LEDs have blown.
Visit an authorized Mercedes-Benz Center as soon as
possible.
Brake lamp
Right
Substitute
bulb on
The right brake lamp is mal-
functioning. This message will
only appear if a critical number
of LEDs have blown.
Visit an authorized Mercedes-Benz Center as soon as
possible.
Brake lamp
Drive to
workshop
Brake lamp illumination is de-
layed or lamp is permanently
on.
Visit an authorized Mercedes-Benz Center as soon as
possible.
Front foglamp
Left
The left front fog lamp is mal-
functioning.
Visit an authorized Mercedes-Benz Center as soon as
possible.
Front foglamp
Right
The right front fog lamp is mal-
functioning.
Visit an authorized Mercedes-Benz Center as soon as
possible.
Rear foglamp
Left
The left rear fog lamp is mal-
functioning.
Visit an authorized Mercedes-Benz Center as soon as
possible.
Page 332 of 409

331 Practical hints
What to do if ...
Left display
Right display
Possible cause/
consequence
Possible solution
.
High beam
Left
The left high beam lamp is mal-
functioning.
Visit an authorized Mercedes-Benz Center as soon as
possible.
High beam
Right
The right high beam lamp is
malfunctioning.
Visit an authorized Mercedes-Benz Center as soon as
possible.
Left turn signal
Mirror
The left turn signal in the side
mirror is malfunctioning. This
message will only appear if all
light emitting diodes have
stopped working.
Have the LEDs replaced as soon as possible.
License plate
lamp, L
The left license plate lamp is
malfunctioning.
Visit an authorized Mercedes-Benz Center as soon as
possible.
License plate
lamp, R
The right license plate lamp is
malfunctioning.
Visit an authorized Mercedes-Benz Center as soon as
possible.
Light sensor
Drive to
workshop
The light sensor is malfunction-
ing. The headlamps switch on
automatically.
In the control system, set lamp operation to manual
(page 132).
Switch on headlamps using the exterior lamp switch.
Visit an authorized Mercedes-Benz Center immediately.
Low beam
Left
The left low beam lamp is mal-
functioning.
Visit an authorized Mercedes-Benz Center as soon as
possible.
Page 333 of 409

332 Practical hintsWhat to do if ...Left display
Right display
Possible cause/
consequence
Possible solution
.
Low beam
Right
The right low beam lamp is mal-
functioning.
Visit an authorized Mercedes-Benz Center as soon as
possible.
Marker lamp
Front left
The front left side marker lamp
is malfunctioning.
Replace the bulb as soon as possible.
Marker lamp
Front right
The front right side marker
lamp is malfunctioning.
Replace the bulb as soon as possible.
Marker lamp
Rear left
The rear left side marker lamp
is malfunctioning.
Replace the bulb as soon as possible.
Marker lamp
Rear right
The rear right side marker lamp
is malfunctioning.
Replace the bulb as soon as possible.
Parking lamp
Front left
The left front parking lamp is
malfunctioning.
Visit an authorized Mercedes-Benz Center as soon as
possible.
Parking lamp
Front right
The right front parking lamp is
malfunctioning.
Visit an authorized Mercedes-Benz Center as soon as
possible.
Remove key
You have forgotten to remove
the SmartKey.
Remove the SmartKey from the starter switch.
Reverse lamp
Right
The right backup lamp is mal-
functioning.
Visit an authorized Mercedes-Benz Center as soon as
possible.
Reverse lamp
Left
The left backup lamp is mal-
functioning.
Visit an authorized Mercedes-Benz Center as soon as
possible.
Page 334 of 409

333 Practical hints
What to do if ...
Left display
Right display
Possible cause/
consequence
Possible solution
.
Right turn signal
Mirror
The right turn signal in the side
mirror is malfunctioning. This
message will only appear if all
light emitting diodes have
stopped working.
Have the LEDs replaced as soon as possible.
Tail lamp
Left
Substitute
bulb on
The left tail lamp is malfunc-
tioning. This message will only
appear if a critical number of
LEDs have blown.
Visit an authorized Mercedes-Benz Center as soon as
possible.
Tail lamp
Right
Substitute
bulb on
The right tail lamp is malfunc-
tioning. This message will only
appear if a critical number of
LEDs have blown.
Visit an authorized Mercedes-Benz Center as soon as
possible.
Turn off
lamps
You have removed the Smart-
Key from the starter switch and
opened the driver’s door.
Turn the exterior lamp switch toM.
Turn signal
Front left
T h e l e f t f r o n t t u r n s i g n a l l a m p i s
malfunctioning.
Visit an authorized Mercedes-Benz Center as soon as
possible.
Turn signal
Front right
The right front turn signal lamp
is malfunctioning.
Visit an authorized Mercedes-Benz Center as soon as
possible.
Page 335 of 409
334 Practical hintsWhat to do if ...Left display
Right display
Possible cause/
consequence
Possible solution
.
Turn signal
Rear left
Substitute
bulb on
The left rear turn signal lamp is
malfunctioning. A backup bulb
has been brought into use.
Visit an authorized Mercedes-Benz Center as soon as
possible.
Turn signal
Rear right
Substitute
bulb on
The right rear turn signal lamp
is malfunctioning. A backup
bulb has been brought into use.
Visit an authorized Mercedes-Benz Center as soon as
possible.
Visit
workshop
The display for the lights is mal-
functioning.
Visit an authorized Mercedes-Benz Center as soon as
possible.
<
Seat belt system
Drive to
workshop
The seat belt system is mal-
functioning.
Visit an authorized Mercedes-Benz Center immediately.
L
Tele Aid
Drive to
workshop
One or more main functions of
the Tele Aid system are mal-
functioning.
Have the Tele Aid system checked by an authorized
Mercedes-Benz Center immediately.
Page 336 of 409

335 Practical hints
What to do if ...
Left display
Right display
Possible cause/
consequence
Possible solution
H
Tire pressure
Caution
Tire defect
One or more tires is deflating.
Carefully bring the vehicle to a halt, avoiding abrupt
steering and braking maneuvers. Observe the traffic
situation around you.
Temporarily repair tire using TIREFIT (
page 351) or
contact Roadside Assistance. If tire cannot be tempo-
rarily repaired using TIREFIT, contact Roadside
Assistance.
Have the damaged wheel repaired or replaced at an
authorized Mercedes-Benz Center.
Warning!
G
Do not drive with a flat tire. A flat tire affects
the ability to steer or brake the vehicle. You
may lose control of the vehicle.
Continued driving with a flat tire will cause
excessive heat build-up and possibly a fire.
Warning!
G
Have worn or damaged tires replaced in
pairs (front pair or rear pair) an make sure
the tires rotate in the direction specified
(page 257). Otherwise, the driving stabili-
ty of the vehicle will be adversely affected,
especially when driving at high speeds.