Page 101 of 376

101 Controls in detail
Lighting
Lighting
For notes on how to switch on the head-
lamps and use the turn signals, see the
“Getting started” section (
page 47).
Exterior lamp switch
The exterior lamp switch is located on the
dashboard to the left of the steering wheel.
M
Off
U
Automatic headlamp mode
C
Parking lamps (also side marker
lamps, tail lamps, license plate
lamps, instrument panel lamps)
Canada only:
When engine is running, the low
beam is also switched on.
B
Low beam plus parking lamps or
high beam headlamps (combination
switch pushed forward).
ˆ
Standing lamps, right (turn left one
stop)
‚
Standing lamps, left (turn left two
stops)
iIf you remove the key and open the
driver’s door while the parking lamps or
low beam headlamps are switched on,
then
a warning sounds
$
appears in the multifunction
display
the message
TURN OFF LAMPS!
ap-
pears in the multifunction display
iWith the daytime running lamp mode
activated and the engine running, the
low beam headlamps cannot be
switched off manually.
Page 275 of 376

275 Practical hints
What to do if …
.
TAIL LAMP, L
CHECK LAMPS!
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, R
CHECK LAMPS!
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.
SIDE MARKER LAMP, LF
CHECK LAMPS!
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.
SIDE MARKER LAMP, RF
CHECK LAMPS!
SUBSTITUTE LAMP ON!
The right parking lamps are
malfunctioning. A backup bulb is being
used.
Visit an authorized Mercedes-Benz
Center as soon as possible.
AUTOM. LIGHT ON
REMOVE KEY!
Key in the starter switch position1 or2.
Remove key from the starter switch.
LIGHTS
TURN OFF LAMPS!
This display appears if the driver’s door is
opened with the engine shut off and no
key in the starter switch.
Insert key in the starter switch.
Switch off lights.
<
SEAT BELT SYSTEM
VISIT WORKSHOP!
The seat belt system is malfunctioning.
Visit an authorized Mercedes-Benz
Center as soon as possible.
DRIVER’S SEAT BELT
FASTEN SEAT BELT!
The display reminds you and your
passengers to fasten seat belts.
Fasten the seat belts.
Display
Possible cause
Suggested solution
Page 290 of 376
290 Practical hintsReplacing bulbs
Replacing bulbsSafe vehicle operation depends on proper
exterior lighting and signaling. It is there-
fore essential that all bulbs and lamp as-
semblies are in good working order at all
times.
Correct headlamp adjustment is extremely
important. Have headlamps checked and
readjusted at regular intervals and when a
bulb has been replaced. See your autho-
rized Mercedes-Benz Center for headlamp
adjustment.
Bulbs Front lamps
iBackup bulbs will be brought into use
when the following lamps malfunction:
Standing lamps
Tail lamps
Rear fog lamp
Lamp
Type
1
Additional turn
signal lamps
LED
2
Turn signal lamp
Halogen
Turn signal lamp
Bi-Xenon*
1156 A
2357 A
3
Low beam Halogen
Low and high beam
H7 (55 W)
Bi-Xenon*
4
High beam
H7 (55 W)
Parking and
standing lamps
W5W
5
Fog lamp
HB4/9006
(55 W)
6
Side marker lamp
W5W
Page 291 of 376

291 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, visit an authorized Mercedes-Benz
Center.
Have the LEDs and bulbs for the follow-
ing lamps replaced by an authorized
Mercedes-Benz Center:
Additional turn signal lamps in the
exterior rear view mirrors
High mounted brake lamp
Xenon lamps
Front fog lamps
Lamp
Type
7
High mounted brake
lamp
LED
8
Brake lamp
P21W
9
Turn signal lamp
PY 21 W
10
Backup lamp
P21W
11
Tail, parking,
standing and side
marker lamp
R5W
12
License plate lamps
C5W
13
Rear fog lamp,
driver’s side
P21W
Warning!
G
Keep bulbs out of reach of children.
Bulbs and bulb sockets can be very hot. Al-
low the lamp to cool down before changing
a bulb.
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 294 of 376

294 Practical hintsReplacing bulbs
Twist bayonet socket5 counterclock-
wise to the stop (do not remove).
Pull the bulb out of the socket.
Insert the new bulb so that the base
locates in the recess in the bayonet
socket5.
Twist bayonet socket clockwise until
you hear it snap into place.
Plug the connector onto the bulb.
Align headlamp cover2 and click into
place.
Front turn signal lamp bulb
Switch off the lights.
Open the hood (
page 235).
Twist bulb socket1 counterclockwise
and pull out.
Push bulb into socket, turn counter-
clockwise and remove.
Insert new bulb in socket, push in and
twist clockwise.
Reinsert bulb socket in lamp and twist
clockwise.
Parking and standing lamp bulb
Switch off the lights.
Open the hood (
page 235).
Press the clamp and remove headlamp
cover2.
Pull out the bulb socket6 with the
bulb.
Pull the bulb out of the bulb socket.
Insert a new bulb in the socket.
Reinstall the bulb socket.
Align headlamp cover2 and click into
place.
Side marker lamp bulb
Switch off the lights.
Carefully slide lamp towards rear.
Remove front end first.
Twist bulb socket counterclockwise
and pull out.
Pull bulb out of the bulb socket.
Insert new bulb in socket.
Reinstall bulb socket, push in and twist
clockwise.
To reinstall lamp, set rear end in
bumper and let front end snap into
place.
Page 295 of 376
295 Practical hints
Replacing bulbs
Replacing bulbs for rear lamps
Tail lamp assemblies
Switch off lights.
Open trunk lid.
1Locking lever
Fold trim to the side.
Turn locking lever1 to vertical position
and remove bulb carrier.2Rear fog lamp, driver’s side
3Back up lamp
4Stop lamp
5Turn signal lamp
6Tail, parking, standing and side marker
lamp
Gently push bulb into socket, turn
counterclockwise and remove.
Insert new bulb and turn clockwise.
Reinstall bulb socket.
Reinstall bulb holder and close trim
panel.License plate lamp
1Screw
Switch off the lights.
Loosen both screws1 and remove
lamp.
Replace the tubular lamp and reinstall
lamp.
Retighten the screws.