Page 104 of 314

Lighting>> Controls.
103
>Turn the exterior lamp switch to
positionU.
With the key in starter switch position1, the
tail and parking lamps, the license plate
lamps, and the side marker lamps will come
on and go out automatically depending on
the brightness of the ambient light.
With the engine running, the low beam
headlamps, the tail and parking lamps, the
license plate lamps and the side marker
lamps will come on and go out automatically
depending on the brightness of the ambient
light.Daytime running lamp mode
1
In Canada the daytime running lamp mode is
mandatory and therefore in a constant mode.
>Turn the exterior lamp switch to
positionM.i
With the daytime running lamp mode acti
vated and the engine running, the low beam
headlamps cannot be switched off manually.
You cannot switch on the high beam head
lamps.
The high beam flasher is available at all times.
For nighttime driving you should turn the
exterior lamp switch to positionB to
permit activation of the high beam headlamps.When the engine is running, and you
• turn the exterior lamp switch to
positionC, the low beam headlamps, the
tail and parking lamps, the license plate
lamps and the side marker lamps come on.
• turn the exterior lamp switch to
positionB, the manual headlamp mode
has priority over the daytime running lamp
mode. The corresponding exterior lamps
come on.
1 Canada only.
Page 105 of 314
Lighting
104
>> Controls.
Combination switch (high beam,
high beam flasher, and turn sig
nals)>Make sure that the key in the starter switch
is turned to position1.
Combination switch1
High beam
2
High beam flasherHigh beam headlamps
>Make sure that the low beam headlamps are
switched on (
page 102).
> Switching on: Push the combination switch
in the direction of arrow
1 until it engages.
The high beam headlamps come on.
The high beam headlamp indicator
lampA in the instrument cluster comes
on.
>Switching off: Pull the combination switch in
the direction of arrow
2.
The high beam headlamps go out.
The high beam headlamp indicator
lampA in the instrument cluster goes
out.High beam flasher
>Pull the combination switch briefly in the
direction of arrow
2.
Turn signals
Combination switch
1
Turn signals, right
2
Turn signals, left
Page 107 of 314
Lighting
106
>> Controls.
i
Fog lamps will operate with the parking
lamps and/or the low beam headlamps on. Fog
lamps should only be used in conjunction with
low beam headlamps. Consult your State or
Province Motor Vehicle Regulations regarding
permissible lamp operation.
i
Vehicle with rainlight sensor*:
Fog lamps cannot be switched on manually with
the exterior lamp switch in positionU. To
switch on the fog lamps, turn the exterior lamp
switch to positionB first.
1
Switching front fog lamps on/off>Make sure that the parking lamps or the low
beam headlamps are switched on.
> Switching on: Press switch
1.
The front fog lamps come on.
The indicator lamp on the switch comes on.
>Switching off: Press switch1 once more.
The front fog lamps go out.
The indicator lamp on the switch goes out. P54.25533731
Page 224 of 314
Driving abroad
>> Operation
223
Abroad, there is an extensive smart service
network at your disposal. If you plan to drive
into areas which are not listed in the index of
your smart center directory, you should re
quest pertinent information from an autho
rized smart center.
Symmetrical low beamsi
If you drive in countries where vehicles
drive on the other side of the road than the
country in which the vehicle is registered, you
must have the headlamps modified for
symmetrical low beams. Relevant information
can be obtained at any authorized smart cen
ter.
Page 245 of 314

What to do if ...
244
>> Practical hints.
i
It may be possible to clear a system failure
by restarting the engine.
>Restart the engine.
>If the warning lamp still does not go out,
have the system checked at an authorized
smart center immediately.
i
More information on the ESP
® can be found
in the "Safety" section (
page 73).High beam headlamp indicator lamp
Illuminates:
• with the high beam headlamps switched on.
• when using the high beam flasher.
i
If the high beam headlamp indicator lamp
does not illuminate when the high beam head
lamps are switched on or when using the high
beam flasher, have the system checked at an
authorized smart center. Low beam headlamp indicator lamp
Illuminates:
• with the low beam headlamps switched on.
i
If the low beam headlamp indicator lamp
does not illuminate when the low beam head
lamps are switched on, have the system
checked at an authorized smart center.
G
Warning!
When the ESP
® warning lamp is
illuminated continuously, the ESP
® is not
available or not operational due to a
system failure.
Adapt your speed and driving to the
prevailing road conditions and the
nonoperating status of the ESP®.
Page 256 of 314
Replacing bulbs
>> Practical hints.
255 Overview bulbs
Front lamps Rear lamps
P82.10483731
Lamp
Type
1
Turn signal lamp
PY 21 W
2
Low beam headlamp
H7 (55W)
3
Parking and side
marker lamp
WY 5 W
4
Front fog lamp*
H11
5
High beam headlamp
H7 (55W)
6
Side turn signal lamp
WY 5 W
Lamp
Type
7
Highmounted brake
lamp
W16W
8
Brake, tail, turn
signal, and
sidemarker lamp
12 V 21/5 W
9
Reflector
a
Backup lamp
12 V 21 W
b
License plate lamp
C5W
Page 257 of 314

Replacing bulbs
256
>> Practical hints. Notes on bulb replacement
• Only use bulbs of the same type and with the
specified watt rating.
• Switch the lights off before replacing a bulb
to prevent short circuits.
• Always use a clean lintfree cloth when
handling bulbs.
• Your hands should be dry and free of oil and
grease.
• Avoid touching the glass of the bulb with
bare fingers.
• If the newly installed bulb does not come on,
contact an authorized smart center.
• Have the bulbs for the front fog lamps*
replaced at an authorized smart center.
Replacing bulbs for front lampsBefore you start to replace a bulb for a front
lamp, do the following first:
>Turn the exterior lamp switch to
positionM (
page 101).
>Switch off the ignition.
>Open the service flap (
page 176)
Left headlamp, (right headlamp in reverse)
1
Bulb socket for parking, and side marker
lamp
2
Bulb socket for turn signal lamp
3
Low beam headlamp cover
4
High beam headlamp coverParking and sidemarker lamp bulb
>Removing:
Driver side: Turn bulb socket
1 toward the
outside.
Passenger side: Turn bulb socket1 toward
the outside.
>Pull bulb socket
1 out of the headlamp
housing.
>Pull the bulb out of bulb socket
1.
> Installing: Insert the new bulb into bulb
socket
1.
>Insert bulb socket
1 into the headlamp
housing.
>Driver side: Turn bulb socket
1 toward the
inside.
Passenger side: Turn bulb socket1 toward
the inside. P82.10483631
Page 258 of 314

Replacing bulbs
>> Practical hints.
257
Low beam headlamp bulb
>Removing: Take off low beam headlamp
cover
3.
>Detach the electrical connector.
>Bend the retainer spring end down and
forward until it unclips. Fold the retainer
spring back.
>Pull the bulb out of the headlamp housing.
>Installing: Insert the new bulb into the
headlamp housing.
>Fold the retainer spring forward.
Bend the retainer spring end forward then
up and back to clip in.
>Attach the electrical connector.
>Reinstall low beam headlamp cover
3.High beam headlamp bulb
>Removing: Take off high beam headlamp
cover
4.
>Detach the electrical connector.
>Tilt the bulb socket down and pull it out.
>Pull the bulb out of the bulb socket.
>Installing: Insert the new bulb into the bulb
socket.
>Fit the bulb so that the retaining lug of the
base plate is pointing up.
>Press the bulb into the bulb socket until it
is fully engaged.
>Attach the electrical connector.
>Reinstall high beam headlamp cover
4.Front turn signal lamp bulb
>Removing: Turn bulb socket
2 counter
clockwise by a quarter of turn and pull it out
of the headlamp housing.
>Press gently onto the bulb and turn it
counterclockwise.
>Pull the bulb out of bulb socket2.
>Installing: Insert the new bulb into bulb
socket
2.
>Press gently onto the bulb and turn it
clockwise.
>Insert bulb socket
2 into the headlamp
housing.
The arrow on bulb socket
2 mu st be in l in e
with the line on the headlamp housing.
>Turn bulb socket
2 clockwise by a quarter
of turn.