Page 413 of 521

412 Practical hintsWhat to do if …Display symbol
Display messages
Possible cause/consequence
Possible solution
.
Brake lamp
Drive to workshop
Brake lamp illumination is delayed or
lamp is permanently on.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Brake lamp, left
Substitute bulb on
The left brake lamp is malfunctioning. A
substitute bulb is being used.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Brake lamp, right
Substitute bulb on
The right brake lamp is malfunctioning. A
substitute bulb is being used.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Display malfunction
Visit workshop
The display for the lamps or the system is
malfunctioning.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Front foglamp,
left
The left front fog lamp is malfunctioning.
Replace the bulb as soon as possible.
Front foglamp,
right
The right front fog lamp is malfunctioning.
Replace the bulb as soon as possible.
Active headlamps
currently
unavailable
The active headlamps are malfunctioning.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Active headlamps
Backup lamp on
The active headlamps are malfunctioning.
Another light is being used.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Active headlamps
malfunction
Drive to workshop
The active headlamps have malfunc-
tioned several times in succession.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Page 414 of 521

413 Practical hints
What to do if …
Display symbol
Display messages
Possible cause/consequence
Possible solution
.
Low beam,
right
The right low beam lamp is malfunction-
ing.
Halogen headlamp:
Replace the bulb as soon as possible.
Bi-Xenon* headlamp:
Visit an authorized Mercedes-Benz
Center as soon as possible.
Front Marker light,
left
The front left side marker lamp is mal-
functioning.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Front Marker light,
right
The front right side marker lamp is mal-
functioning.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Fr. Park. lamp, left
The left parking lamps are malfunction-
ing.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Fr. Park. lamp, right
The right parking lamps are malfunction-
ing.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Rear foglamp
Substitute bulb on
The rear fog lamp is malfunctioning. A
substitute bulb is being used.
Replace the bulb as soon as possible.
Backup lamp, left
The left reverse lamp is malfunctioning.
Replace the bulb as soon as possible.
Backup lamp, right
The right reverse lamp is malfunctioning.
Replace the bulb as soon as possible.
Switch off lamps
Lamps have been turned on although the
SmartKey in the starter switch is in posi-
tion 0.
Switch off the headlights.
Page 415 of 521
414 Practical hintsWhat to do if …Display symbol
Display messages
Possible cause/consequence
Possible solution
.
High beam,
left
The left high beam lamp is malfunction-
ing.
Replace the bulb as soon as possible.
High beam,
right
The right high beam lamp is malfunction-
ing.
Replace the bulb as soon as possible.
License plate lamp,
left
The left license plate lamp is malfunction-
ing.
Replace the bulb as soon as possible.
License plate lamp,
right
The right license plate lamp is malfunc-
tioning.
Replace the bulb as soon as possible.
Light sensor
Drive to workshop
The lamp sensor is malfunctioning. The
headlamps switch on automatically.
In the control system, set lamp opera-
tion to manual mode (
page 170).
Switch on headlamps using the exteri-
or lamp switch.
Low beam,
left
The left low beam lamp is malfunctioning.
Halogen headlamp:
Replace the bulb as soon as possible.
Bi-Xenon* headlamp:
Visit an authorized Mercedes-Benz
Center as soon as possible.
Page 416 of 521

415 Practical hints
What to do if …
Display symbol
Display messages
Possible cause/consequence
Possible solution
.
Taillamp, left
Substitute bulb on
The left tail lamp is malfunctioning. A sub-
stitute bulb is being used.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Taillamp, right
Substitute bulb on
The right tail lamp is malfunctioning. A
substitute bulb is being used.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Turn sig., left rear
Substitute bulb on
The left rear turn signal lamp is malfunc-
tioning. A substitute bulb is being used.
Replace the bulb as soon as possible.
Turn sig., right rear
Substitute bulb on
The right rear turn signal lamp is malfunc-
tioning. A substitute bulb is being used.
Replace the bulb as soon as possible.
Turn sig., left front
The left front turn signal lamp is malfunc-
tioning.
Replace the bulb as soon as possible.
Turn sig., right front
The right front turn signal lamp is mal-
functioning.
Replace the bulb as soon as possible.
Turn signal,
left
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.
Turn signal,
right
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.
Page 417 of 521
416 Practical hintsWhat to do if …Display symbol
Display messages
Possible cause/consequence
Possible solution
H
Please rectify
tire pressure
The pressure is too low in one or
more tires.
Check and correct tire inflation pressure as
required (
page 339).
Tire pressure
Caution, tire defect
One or more tires are deflating.
Carefully bring the vehicle to a halt, avoiding
abrupt steering and braking maneuvers.
If necessary, change the wheel (
page 441).
Tire pressure
Check tires
The tire pressure in one or more
tires is already below the mini-
mum value.
Carefully bring the vehicle to a halt, avoiding
abrupt steering and braking maneuvers.
Check and adjust tire pressure as required.
If necessary, change the wheel (
page 441).
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.
Page 418 of 521
417 Practical hints
What to do if …
Display symbol
Display messages
Possible cause/consequence
Possible solution
<
Seat belt system
Drive to workshop
The seat belt system is malfunctioning.
Visit an authorized Mercedes-Benz
Center as soon as possible.
9
Service memory full
See Operator’s Manual
The maintenance service system memory
cannot save any more data.
Have the service memory checked by
an authorized Mercedes-Benz Center.
K
Close
tilt/sliding sunroof
You have opened the driver’s door with
the SmartKey removed from the starter
switch and the sliding portion of the
tilt/sliding sunroof* or tilt/sliding panel*
open.
Close the tilt/sliding sunroof*
(page 237) or tilt/sliding panel*
(page 241).
J
Close
tilt/sliding sunroof
You have opened the driver’s door with
the SmartKey removed from the starter
switch and the tilting portion of the
tilt/sliding sunroof* or tilt/sliding panel*
open.
Close the tilt/sliding sunroof*
(page 237) or tilt/sliding panel*
(page 241).
Page 419 of 521
418 Practical hintsWhat to do if …Display symbol
Display messages
Possible cause/consequence
Possible solution
L
Tele Aid malfunction
Drive to workshop
One or more main functions of the
Tele Aid system are malfunctioning.
Have the Tele Aid system checked by
an authorized Mercedes-Benz Center.
1
Restraint system
malfunction
Visit workshop
The system is malfunctioning.
Drive with added caution to the near-
est authorized Mercedes-Benz Cen-
ter.
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
Center immediately 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 unexpectedly and unnec-
essarily which could also result in injury.
Page 420 of 521
419 Practical hints
What to do if …
Display symbol
Display messages
Possible cause/consequence
Possible solution
t
Function
unavailable
This display appears if button t or
s on the multifunction steering wheel
is pressed and the vehicle is not equipped
with a telephone.
Ê
Trunk open
This message will appear whenever the
trunk is open.
Close the trunk.
W
Washer fluid,
please refill
The fluid level has dropped to about
1/3
of total reservoir capacity.
Add washer fluid (
page 327).