Page 329 of 440

329 Practical hints
What to do if …?
Display symbol
Display message
Possible cause
Possible solution
I
Key recognized
in vehicle
A SmartKey with KEYLESS-GO* left in the
vehicle was recognized while locking the
vehicle from the outside.
Take the SmartKey out of the vehicle.
Keyless Go
Check system
The KEYLESS-GO* system is malfunction-
ing.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Key
do not forget key
This display appears (for a maximum of
60 seconds) if the driver’s door is opened
with the engine shut off and no SmartKey
in the starter switch.
Message is only a reminder.
Insert SmartKey in the starter switch.
Take the SmartKey with
KEYLESS-GO* with you when leaving
the vehicle.
.
3rd stop lamp
The high mounted brake lamp is malfunc-
tioning.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Back- up lamp, left
The left backup lamp is malfunctioning.
Replace the bulb as soon as possible.
Back- up lamp, right
The right backup lamp is malfunctioning.
Replace the bulb as soon as possible.
Display defective!
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.
Page 330 of 440

330 Practical hintsWhat to do if …?Display symbol
Display message
Possible cause
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.
Lamp sensor
Visit workshop!
The lamp sensor is malfunctioning. The
headlamps switch on automatically.
In the control system, set lamp opera-
tion to manual (
page 145).
Switch on headlamps using the exteri-
or lamp switch.
Visit an authorized Mercedes-Benz
Center 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.
Low beam, left
The left low beam lamp is malfunctioning.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Low beam, right
The right low beam lamp is malfunction-
ing.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Page 331 of 440

331 Practical hints
What to do if …?
Display symbol
Display message
Possible cause
Possible solution
.
Parking lamp,
front left
Substitute lamp on
The left parking lamps are malfunctioning.
A backup bulb is being used.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Parking lamp,
front right
Substitute lamp on
The right parking lamps are malfunction-
ing. A backup bulb is being used.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Side marker lamp,
front left
T h e f r o n t l e f t s i d e m a r k e r l a m p i s m a l f u n c -
tioning.
Replace the bulb as soon as possible.
Side marker lamp
front right
The front right side marker lamp is mal-
functioning.
Replace the bulb as soon as possible.
Stop lamp, left
The left brake lamp is malfunctioning.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Stop lamp, right
The right brake lamp is malfunctioning.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Stop lamp
Visit workshop!
Stop lamp illumination is delayed or lamp
is permanently on.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Tail lamp, left
Substitute lamp on!
The left tail lamp is malfunctioning. A
backup bulb is being used.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Tail lamp, right
Substitute lamp on!
The right tail lamp is malfunctioning. A
backup bulb is being used.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Page 332 of 440

332 Practical hintsWhat to do if …?Display symbol
Display message
Possible cause
Possible solution
.
Turn off lamps!
Lamps have been turned on although the
SmartKey in the starter switch is in posi-
tion 0.
Turn off the headlamps.
Turn signal front left
Substitute lamp on!
The left front turn signal lamp is malfunc-
tioning. A backup bulb is being used.
Replace the bulb as soon as possible.
Turn signal front right
Substitute lamp on!
The right front turn signal lamp is malfunc-
tioning. A backup bulb is being used.
Replace the bulb as soon as possible.
Turn signal in
left mirror
The left turn signal in the side mirror is
malfunctioning. This message will only ap-
pear if all light emitting diodes have
stopped working.
Have the LEDs replaced as soon as
possible.
Turn signal in
right mirror
The right turn signal in the side mirror is
malfunctioning. This message will only ap-
pear if all light emitting diodes have
stopped working.
Have the LEDs replaced as soon as
possible.
Turn signal rear left
Substitute lamp on!
The left rear turn signal lamp is malfunc-
tioning. A backup bulb is being used.
Replace the bulb as soon as possible.
Turn signal rear right
Substitute lamp on!
The right rear turn signal lamp is malfunc-
tioning. A backup bulb is being used.
Replace the bulb as soon as possible.
Page 333 of 440
333 Practical hints
What to do if …?
Display symbol
Display message
Possible cause
Possible solution
<
Driver’s seat belt
Fasten seat belt!
The display reminds you and your passen-
gers to fasten seat belts.
Fasten the seat belts.
Front passenger
seat belt
Please fasten belt!
The display reminds you and your passen-
gers to fasten seat belts.
Fasten the seat belts.
Seat belt system
Visit workshop
The seat belt system is malfunctioning.
Visit an authorized Mercedes-Benz
Center as soon as possible.
Page 334 of 440

334 Practical hintsWhat to do if …?Display symbol
Display message
Possible cause
Possible solution
L
defective
Visit 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.
Tele Aid battery
Visit workshop!
The emergency power battery for the
Tele Aid system is malfunctioning. If the
vehicle battery is also dead, Tele Aid will
not be operational.
Have the Tele Aid system checked by
an authorized Mercedes-Benz Center.
1
Restraint system
defective
Visit workshop!
The system is malfunctioning.
Drive with added caution to the near-
est authorized Mercedes-Benz 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 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 unnecessarily which could also result in
injury.
Page 335 of 440
335 Practical hints
What to do if …?
Display symbol
Display message
Possible cause
Possible solution
_
Steering oil
Visit workshop!
The steering gear oil level is too low.
There is a danger of steering gear dam-
age.
Have the system checked by an autho-
rized Mercedes-Benz Center.
Warning!
G
If the level of steering gear oil in reservoir is
too low, the steering power assistance could
fail. Much greater effort will then be needed
to turn the steering wheel.
Do not add steering oil without checking the
steering system.
Do not drive the vehicle. Have the system
checked at your authorized Mercedes-Benz
Center as soon as possible.
Page 336 of 440
336 Practical hintsWhat to do if …?Display symbol
Display message
Possible cause
Possible solution
K
Close
sunroof!
You have opened the driver’s door with
the SmartKey removed from the starter
switch and the sliding/pop-up roof open.
Close the sliding/pop-up roof
(page 214).
J
Close
sunroof!
You have opened the driver’s door with
the SmartKey removed from the starter
switch and the sliding/pop-up roof open.
Close the sliding/pop-up roof
(page 214).
ì
Function
Not available
This display appears if button ì or
í on the multifunction steering wheel
is pressed and the vehicle is not equipped
with a telephone.
Ê
Close trunk lid!
This message will appear whenever the
trunk lid is open.
Close the trunk lid.
W
Washer fluid
Check level
The fluid level has dropped to about
1/3 of
total reservoir capacity.
Add washer fluid (
page 289).