X
Deactivating: Switch off the ignition
and remove the key from the starter
switch.
X Switch on the high-beam flasher and
press button # on the key
simultaneously.
An acoustic signal sounds.
The daytime running lamp mode is
deactivated.
LED daytime running lamps* (USA only) Vehicles without rain-light sensor:
X
Switching on: Switch on the ignition.
The LED daytime running lamps are
switched on.
X Switching off: Switch on the parking
lamps or the low‑beam headlamps.
The LED daytime running lamps are
switched off.
Vehicles with rain-light sensor*:
X Turn the exterior lamp switch to position
Ã.
With the key in starter switch position
1, the LED daytime running lamps are
switched on. In low ambient light
conditions, low-beam headlamps, the
tail
and parking lamps, the license plate
lamps and the side marker lamps will
come on. The LED daytime running lamps
will then be switched off.
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.
When the engine is running, and you turn
the exterior lamp switch to position T
or L, the manual headlamp mode has
priority
over the LED daytime running lamp
mode.
The corresponding exterior lamps come on
(Y page 64). LED daytime running lamps*
(Canada only) X
Switching on: Switch on the ignition.
The LED daytime running lamps are
switched on.
X Switching off: Switch on the low‑beam
headlamps.
The LED daytime running lamps are
switched off. Combination switch (high beam, high
beam flasher and turn signals)
X Make sure the key is in starter switch
position 1.
High‑beam headlamps and high-beam
flasher X
Make sure the low‑beam headlamps are
switched on (Y page 65).
X Switching on: Push the combination
switch to position 1.
The high‑beam headlamps come on.
The
high‑beam headlamp indicator lamp
K in the instrument cluster comes on.
X Switching off: Pull the combination
switch in direction of arrow ; to its
original position.
The high‑beam headlamps go out.
The
high‑beam headlamp indicator lamp
K in the instrument cluster goes out.
X High-beam flasher:
Pull the combination
switch briefly in direction of arrow ;. Lighting
67
>> Controls.
* optional Z
Problem Possible causes/consequences and
M SolutionsK
The high‑beam
headlamp
indicator lamp
does not
illuminate
when the
high‑beam
headlamps are
switched on or
when using the
high‑beam
flasher. The high‑beam headlamp indicator lamp has failed.
X
Have the high‑beam headlamp indicator lamp checked at an
authorized smart center. M
The low‑beam
headlamp
indicator lamp
does not
illuminate
when the
low‑beam
headlamps are
switched on. The low‑beam headlamp indicator lamp has failed.
X
Have the low‑beam headlamp indicator lamp checked at an
authorized smart center. # !
The turn signal
indicator lamp(s)
do(es) not illuminate
when the ignition is
switched on and the
corresponding turn
signal is switched on
or the hazard warning
flasher is switched
on. The turn signal indicator lamp(s) has (have) failed.
X
Have the turn signal indicator lamp(s) checked at an
authorized smart center. What to do if ...
169>> Practical hints. Z
Overview bulbs
Front lamps
Headlamp Type
:
Low‑beam headlamp
H7 (55 W)
; High‑beam headlamp
H7 (55 W)
= Parking and side marker lamp
WY 5 W
? Turn signal lamp
2357 A Front fog lamp* Type
:
Front fog lamp
H 11 Side turn signal lamp Type
:
Side turn signal lamp
WY 5 W Replacing bulbs
179>> Practical hints.
* optional Z
Replacing bulbs for front lamps
Before you start to replace a bulb for a
front lamp, do the following first:
X Turn the exterior lamp switch to position
$ (Y page 64).
X Switch off the ignition.
X Open the service flap (Y page 120). Left headlamp, (right headlamp in reverse)
Parking and side marker lamp bulb
X
Removing:
Driver’s
side: Turn bulb socket ? toward
the outside.
Passenger side: Turn bulb socket ?
toward the outside.
X Pull bulb socket ? out of the headlamp
housing.
X Pull the bulb out of bulb socket ?.
X Installing:
Insert the new bulb into bulb
socket ?.
X Insert bulb socket ? into the headlamp
housing.
X Driver side: Turn bulb socket ? toward
the inside.
Passenger side: Turn bulb socket ?
toward the inside.
Low‑beam headlamp bulb X
Removing: Take off low‑beam headlamp
cover =.
X Detach the electrical connector. X
Bend the retainer spring end down and
forward until it unclips. Fold the
retainer spring back.
X Pull the bulb out of the headlamp
housing.
X Installing: Insert the new bulb into the
headlamp housing.
X Fold the retainer spring forward.
X Bend the retainer spring end forward
then up and back to clip in.
X Attach the electrical connector.
X Reinstall low‑beam headlamp cover =.
High‑beam headlamp bulb X
Removing: Take off high‑beam headlamp
cover ;.
X Detach the electrical connector.
X Tilt the bulb socket down and pull it out.
X Pull the bulb out of the bulb socket.
X Installing: Insert the new bulb into the
bulb socket.
X Fit the bulb so that the retaining lug of
the base plate is pointing up.
X Press the bulb into the bulb socket until
it is fully engaged.
X Attach the electrical connector.
X Reinstall high‑beam headlamp cover ;.
Front turn signal lamp bulb X
Removing: Turn bulb socket :
counterclockwise
by a quarter of turn and
pull it out of the headlamp housing.
X Press gently onto the bulb and turn it
counterclockwise.
X Pull the bulb out of bulb socket :.
X Installing:
Insert the new bulb into bulb
socket :.
X Press gently onto the bulb and turn it
clockwise.
X Insert bulb socket : into the headlamp
housing. Replacing bulbs
181
>> Practical hints. Z
No. Accessory/Component Amperage Color
F
Engine 15 A Blue
G
ESP
®
control unit 25 A Neutral
H
Cockpit switch module, on-board
diagnostics
socket, turn signal lamp switch,
transmission control unit, exterior lamp
switch, anti-theft warning system, rain-
light sensor, auxiliary instruments, central
locking system, instrument cluster, exterior
rear view mirror heating, Tire Pressure
Monitoring System (TPMS) 10 A Red
I
— — —
J
Air conditioning compressor 15 A Blue
K
Audio, subwoofer, sound system, soft top
(cabriolet only) 15 A Blue
L
Fuel pump with fuel level sensor 15 A Blue
M
Rear window wiper (coupé only) 15 A Blue
N
ESP
®
control unit, EPS control unit, restraint
system, instrument cluster 10 A Red
O
Engine control unit, on-board diagnostics
socket, transmission control unit, Tire
Pressure Monitoring System (TPMS) 7.5 A Brown
P
Air conditioning system, exterior rear view
mirror
adjustment, washer pump, audio, seat
heating, wiper switch, backup lamps, soft top
switch (cabriolet only) 10 A Red
Q
Auxiliary power outlet 15 A Blue
R
Left low‑beam headlamp 7.5 A Brown
S
Right low‑beam headlamp 7.5 A Brown
T
Brake lamps 15 A Blue
U
Right high‑beam headlamp 7.5 A Brown
V
Left high‑beam headlamp 7.5 A Brown
W
Engine 7.5 A Brown
X
Rear window defroster, radiator fan 40 A Orange
Y
Soft top (cabriolet only) 30 A Green Fuses
209
>> Practical hints. Z