Page 119 of 473

118 Controls in detail
Lighting
Rear fog lamp (driver’s side only)
Switch on the front fog lamps
(
page 117).
Pull out the exterior lamp switch to
second stop.
The rear fog lamp is switched on.
The yellow indicator lamp† in the
exterior lamp switch comes on
(
page 114).
Push in the exterior lamp switch to first
stop.
The rear fog lamp switches off.
The yellow indicator lamp† in the
exterior lamp switch goes out.
The front fog lamps remain lit.
Combination switch
The combination switch is located on the
left of the steering column.
Combination switch
1High beam
2High beam flasherHigh beam
Turn the exterior lamp switch to
positionB orU (
page 114).
Push the combination switch in
direction of arrow1 to switch on the
high beam.
The high beam headlamp indicator
lampA in the instrument cluster
comes on (
page 24).
Pull the combination switch in direction
of arrow2 to its original position to
switch off the high beam.
The high beam headlamp indicator
lampA in the instrument cluster
goes out.
High beam flasher
Pull the combination switch briefly in
direction of arrow2.
Page 146 of 473

145 Controls in detail
Control system
The selection marker is on the current
setting.
Press buttonæ orç to select
manual operation (
Manual) or daytime
running lamp mode (
Constant)
activated.
With daytime running lamp mode activated
and the exterior lamp switch in
positionM orU, the low beam
headlamps are switched on when the
engine is running.In low ambient light conditions the
following lamps will switch on additionally:
Parking lamps
Tail lamps
License plate lamps
Side marker lamps
For more information on the daytime
running lamp mode, see “Lighting”
(
page 114).Set locator lighting
With the locator lighting feature activated
and the exterior lamp switch in
positionU, the following lamps will
switch on during darkness when the vehi-
cle is unlocked with the SmartKey:
Parking lamps
Tail lamps
License plate lamps
Side marker lamps
Front fog lamps
The locator lighting switches off when the
driver’s door is opened.
If you do not open a door after unlocking
the vehicle with the SmartKey, the lamps
will switch off automatically after approxi-
mately 40 seconds.
Move the selection marker with
buttonæ orç to the
Lighting
submenu.
i
For safety reasons, resetting the set-
tings to factory settings (
page 135)
while driving will not deactivate the
daytime running lamp mode.
The following message appears in the
multifunction display:
Lighting - Cannot be completely
reset to factory sets. while
driving.
Page 360 of 473

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
appear in the multifunction display.
For your convenience the messages are
divided into two sections:
Text messages (page 360)
Symbol messages (page 365)
Warning!G
No messages will be displayed if either the
instrument cluster or the multifunction
display is inoperative.
As a result, you will not be able to see infor-
mation about your driving conditions, such
as speed or outside temperature, warning/
indicator lamps, malfunction/warning mes-
sages or the failure of any systems. Driving
characteristics may be impaired.
If you must continue to drive, please do so
with added caution. Visit an authorized
Mercedes-Benz Center as soon as possible.
i
Switching on the ignition causes all
instrument cluster lamps (except low
beam headlamp indicator lamp, high
beam headlamp indicator lamp, and
turn signal indicator lamps unless
activated) as well as the multifunction
display to come on. Make sure the
lamps and multifunction display are in
working order before starting your
journey.
Page 376 of 473

375 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
.High beam leftThe left high beam lamp is
malfunctioning.Replace the bulb as soon as possible.
High beam rightThe right high beam lamp is
malfunctioning.Replace the bulb as soon as possible.
License plate lamp,
leftThe left license plate lamp is
malfunctioning.Replace the bulb as soon as possible.
License plate lamp,
rightThe right license plate lamp is
malfunctioning.Replace the bulb as soon as possible.
Light sensor
Drive to workshopThe light sensor is malfunctioning.
The headlamps switch on automatically.In the control system, set lamp
operation to manual (
page 144).
Switch on the headlamps using the
exterior lamp switch (
page 114).
Visit an authorized Mercedes-Benz
Center as soon as possible.
Low beam leftThe 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 377 of 473

376 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
.Low beam rightThe right 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.
Parking lamp
left frontThe left front parking lamp is
malfunctioning.Replace the bulb as soon as possible.
Parking lamp
right frontThe right front parking lamp is
malfunctioning.Replace the bulb as soon as possible.
Rear fog lamp
Substit. bulb onThe rear fog lamp is malfunctioning.
A substitute bulb is being used.Replace the bulb as soon as possible.
Switch off lightsHeadlamps have been turned on with the
driver’s door opened and the SmartKey
removed from the starter switch.Switch off the headlamps.
Taillamp left
Substit. bulb on
The left tail lamp is malfunctioning.
A substitute bulb is being used.Replace the bulb as soon as possible.
Taillamp right
Substit. bulb on
The right tail lamp is malfunctioning.
A substitute bulb is being used.Replace the bulb as soon as possible.
Page 396 of 473
395 Practical hints
Replacing bulbs
Bulbs Front lamps
LampType
1Additional turn signal
lampLED
2Halogen headlamp:
Turn signal lamp
Bi-Xenon* headlamp:
Turn signal lamp
1156 A
2357 A
3Halogen headlamp:
Low beam
Bi-Xenon* headlamp:
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 Xenon bulbs yourself. Contact an
authorized Mercedes-Benz Center.
H7 (55 W)
D2S-35 W
LampType
4Halogen headlamp:
High beam/high beam
flasher
Bi-Xenon* headlamp:
High beam flasher
H7 (55 W)
H7 (55 W)
Parking and standing
lampW5W
5Front fog lampHB4 (51 W)
6Side marker lampW5W
Page 398 of 473
397 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
Xenon* lamps
Front fog lamps
Front side marker lamps
Replacing bulbs for front lamps
Before you start to replace a bulb for a
front lamp, do the following first:
Turn the exterior lamp switch to
positionM (
page 114).
Open the hood (page 297).
Halogen headlamp
1Housing cover for low beam headlamp
2Housing cover for high beam head-
lamp, parking and standing lamp3Bulb socket for turn signal lamp bulb
4Bulb socket for low beam bulb
5Bulb socket for high beam bulb
6Bulb socket for parking and standing
lamp bulb
i
Have the headlamp adjustment
checked regularly.
Page 399 of 473

398 Practical hints
Replacing bulbs
Low beam bulb
Press the clamp on housing cover1
and remove it.
Pull the electrical connector off.
Turn bulb socket4 counterclockwise
and take out the bulb.
Insert the new bulb so that its socket
locates in the recess of the lamp
housing.
Turn bulb socket4 clockwise until it
engages.
Plug the electrical connector onto the
bulb.
Align housing cover1 and press until
it engages.High beam bulb
Press the clamp on housing cover2
and remove it.
Pull the electrical connector off.
Turn bulb socket5 counterclockwise
and take out the bulb.
Insert the new bulb so that its socket
locates in the recess of the lamp
housing.
Turn bulb socket5 clockwise until it
engages.
Plug the electrical connector onto the
bulb.
Align housing cover2 and press until
it engages.Front turn signal lamp bulb
Turn bulb socket3 with the bulb
counterclockwise and remove it.
Press gently onto the bulb and turn it
counterclockwise out of bulb
socket3.
Press new bulb gently into bulb
socket3 and turn clockwise until it
engages.
Place bulb socket3 back into the
lamp and turn it clockwise.
Parking and standing lamp bulb
Press the clamp on housing cover2
and remove it.
Pull out bulb socket6 with the bulb.
Pull the bulb out of bulb socket6.
Press the new bulb into bulb socket6.
Press bulb socket6 back into the
lamp.
Align housing cover2 and press until
it engages.