Page 338 of 481

337 Operation
Vehicle care
Headlamps, tail lamps, side markers,
turn signal lenses
Use a mild car wash detergent, such as
Mercedes-Benz approved Car
Shampoo, with plenty of water.Cleaning the Distronic* system sensor
cover
1Distronic system sensor cover
Switch off the ignition (page 60).
Use a mild car wash detergent, such as
Mercedes-Benz approved Car Sham-
poo, with plenty of water and a
non-scratching cloth to clean sensor
cover1.
Restart the engine after cleaning sen-
sor cover1.
Cleaning the Parktronic* system
sensors
1Parktronic system* sensors in the front
bumper
Use a mild car wash detergent, such as
Mercedes-Benz approved Car Sham-
poo, with plenty of water and a soft,
non-scratching cloth to clean
sensors1 on the bumpers.
!Only use window cleaning solutions that are
suitable for plastic lamp lenses. Window clean-
ing solutions which are not suitable may damage
the plastic lamp lenses of the headlamps. There-
fore, do not use abrasives, solvents or cleaners
that contain solvents.
Never apply strong force and only use a soft,
non-scratching cloth when cleaning the lenses.
Do not attempt to wipe dirty lenses with a dry
cloth or sponge.
Otherwise you may scratch or damage the lens
surface.
!To prevent scratches or damage, never ap-
ply strong force and only use a soft, non-scratch-
ing cloth when cleaning the sensor cover1. Do
not attempt to wipe dirty sensors with a dry cloth
or sponge.
Page 360 of 481

359 Practical hints
What to do if …
On the pages that follow, you will find a
compilation of the most important warning
and malfunction messages that may ap-
pear in the multifunction display.
For your convenience the messages are
divided into two sections:
Text messages (page 360)
Symbol messages (page 372)
Warning!G
No messages will be displayed if either the
instrument cluster or the multifunction dis-
play is inoperative.
As a result, you will not be able to see infor-
mation about your driving conditions, such
as speed or outside temperature, warn-
ing/indicator lamps, malfunction/warning
messages or the failure of any systems.
Driving characteristics may be impaired.
If you must continue to drive, please do so
with added caution. Contact an authorized
Mercedes-Benz Center as soon as possible.
iSwitching on the ignition causes all
instrument cluster lamps (except high beam
headlamp indicator lamp and turn signal indica-
tor lamps unless activated) as well as the multi-
function display to come on. Make sure the
lamps and multifunction display are in working
order before starting your journey.
Page 388 of 481

387 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
.Cornering Lamp
LeftThe left corner-illuminating front fog lamp* is
malfunctioning.Contact an authorized
Mercedes-Benz Center as soon as
possible.
Cornering Lamp
RightThe right corner-illuminating front fog lamp*
is malfunctioning.Contact an authorized
Mercedes-Benz Center as soon as
possible.
Rear Left
Turn SignalThe left rear turn signal lamp is malfunction-
ing.Contact an authorized
Mercedes-Benz Center as soon as
possible.
Rear Right
Turn SignalThe right rear turn signal lamp is malfunction-
ing.Contact an authorized
Mercedes-Benz Center as soon as
possible.
Front Left
Turn SignalThe left front turn signal lamp is malfunction-
ing.Replace the bulb as soon as possible
(
page 404).
Front Right
Turn SignalThe right front turn signal lamp is malfunction-
ing.Replace the bulb as soon as possible
(
page 404).
Left Mirror
Turn SignalThe turn signal in the left exterior rear view
mirror is malfunctioning. This message will
only appear if a critical number of LEDs have
stopped working.Contact an authorized
Mercedes-Benz Center as soon as
possible.
Page 389 of 481

388 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
.Right Mirror
Turn Signal
The turn signal in the right exterior rear
view mirror is malfunctioning. This mes-
sage will only appear if a critical number of
LEDs have stopped working.Contact an authorized Mercedes-Benz
Center as soon as possible.
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 Center.
Tele Aid
BatteryThe 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.
1Restraint System
Malfunction
Service RequiredThe 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 contact 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 406 of 481
405 Practical hints
Replacing bulbs
Front lamps
LampType
1Additional turn signal
lampsLED
2Turn signal lamp3457 AK
3Halogen headlamps:
Low beam
Bi-Xenon* headlamps:
Low and high beam
1
1Vehicles with Bi-Xenon* headlamps: Low beam
and high beam use the same D2S-35W lamp. Do
not replace the Bi-Xenon bulbs yourself. Contact
your authorized Mercedes-Benz Center.
H7 (55 W)
D2S-35 W
4Side marker lampW 5 W
LampType
5Halogen headlamps:
High beam/high beam
flasher
Bi-Xenon* headlamps:
High beam flasher
H7 (55 W)
H7 (55 W)
Halogen headlamps:
Parking and standing
lamp
Bi-Xenon* headlamps:
Parking an standing
lamp
W 5 W
Blue Vision
LED
6Front fog lamp
Corner-illuminating
front fog lamp*H11 (55 W)
H11 (55 W)
Page 407 of 481

406 Practical hints
Replacing bulbs
Rear lamps Notes on bulb replacement
Use only 12 volt bulbs of the same type
and with the specified watt rating.
Switch lights off before changing a bulb
to prevent short circuits.
Always use a clean lint-free cloth when
handling bulbs.
Your hands should be dry and free of oil
and grease.
If the newly installed bulb does not light
up, contact an authorized
Mercedes-Benz Center.
LampType
7High mounted brake
lampLED
8 Brake, tail, parking,
standing, backup lamps
and turn signal lamps.
Rear fog lampHiP
LED*
9License plate lampsC5W
Warning!G
Bulbs and bulb sockets can be very hot. Al-
low the lamp to cool down before changing
a bulb.
Keep bulbs out of reach of children.
Halogen lamps contain pressurized gas. A
bulb can explode if you:
touch or move it when hot
drop the bulb
scratch the bulb
Wear eye and hand protection.
Because of high voltage in Xenon lamps, it is
dangerous to replace the bulb or repair the
lamp and its components. We recommend
that you have such work done by a qualified
technician.
Page 408 of 481

407 Practical hints
Replacing bulbs
Have the LEDs and bulbs for the following
lamps replaced by an authorized
Mercedes-Benz Center:
Additional turn signals in the exterior
rear view mirrors
High mounted brake lamp
Bi-Xenon* lamps
Front fog lamps
Front side marker lamps
Parking and standing lamps (vehicles
with Bi-Xenon* headlamps only)
Rear lamps (except license plate
lamps)
Replacing bulbs for front lamps
1Housing cover for low beam halogen or
Bi-Xenon* headlamp
2Housing cover for high beam head-
lamp/high beam flasher bulb and for
parking and standing lamp bulb3Bulb socket for turn signal lamp bulb
4Bulb holder of high beam bulb
5Bulb socket for parking and standing
lamp bulb
6Bulb holder of low beam bulb
Before you start to replace a bulb for a
front lamp, do the following first:
Turn the exterior lamp switch to
positionM (
page 126).
Open the hood (page 286) (except
for side marker lamps).
!Do not replace the LEDs yourself. You could
otherwise damage the LEDs or parts of the vehi-
cle. Only have the LEDs replaced by an autho-
rized Mercedes-Benz Center.
Warning!G
Do not remove the cover1 for the Bi-Xe-
non* headlamp. Because of high voltage in
Xenon* lamps, it is dangerous to replace the
bulb or repair the lamp and its components.
We recommend that you have such work
done by a qualified technician.
Page 409 of 481

408 Practical hints
Replacing bulbs
Low beam bulb (halogen headlamps
only)
Turn housing cover1 counterclock-
wise and remove it.
Turn bulb holder6 with the bulb coun-
terclockwise and remove it.
Pull the bulb at its socket out of bulb
holder6.
Insert the new bulb so that its socket
locates in the recess of bulb holder6
and is level to it.
Reinsert bulb holder6 with the bulb in
the lamp and turn clockwise.
Align housing cover1 and turn it
clockwise.High beam bulb/high beam flasher
bulb (halogen headlamps)/high beam
flasher bulb (Bi-Xenon* headlamps)
Turn housing cover2 counterclock-
wise and remove it.
Turn bulb holder4 with the bulb coun-
terclockwise and remove it.
Pull the bulb at its socket out of bulb
holder4.
Insert the new bulb so that its socket
locates in the recess of bulb holder4
and is level to it.
Reinsert bulb holder4 with the bulb in
the lamp and turn clockwise.
Align housing cover2 and turn it
clockwise.Front turn signal lamp bulb
Turn bulb socket3 with the bulb
counterclockwise and remove it.
Press gently onto the bulb and turn
counterclockwise out of bulb
socket3.
Press the new bulb gently into bulb
socket3 and turn clockwise until it
engages.
Place bulb socket3 back into the
lamp and turn it clockwise.