Page 138 of 289

136LightingLED headlights
LED lighting system includes: ● LED headlights for low and high beam
● cornering lights
● town light
● high beam assist
● reverse parking function
● eco mode
● dynamic automatic headlight levelling
LED headlights for low and
highbeam
LED headlights for low and high beam
ensure better visibility under all
conditions.
Operation is the same as for halogen headlights.
Light switch 3 132 , high beam 3 133,
headlight flash 3 134, headlights
when driving abroad 3 135.
Automatic light control 3 133.Cornering lights
On tight bends or when turning off,
depending on the steering angle or
the indicator light signal, an additional left or right reflector is switched on
which illuminates the road in the
direction of travel. It is activated up to
a speed of 70 km/h.
Town light
Activated automatically at a speed upto approx. 55 km/h. In situations with
exterior ambient light both cornering lights are switched on with reduced
intensity. The light is wide and
symmetrical.
High beam assist
3 133
Reverse parking function
To assist driver's orientation when
parking, both corner lights and
reversing light illuminate when
headlights are on and reverse gear is
engaged. They remain illuminated for a short time after disengaging reverse
gear or until driving faster than
7 km/h in a forward gear.
Eco mode If the vehicle stops, e. g. due to traffic lights, an energy saving mode forheadlights is activated.
Dynamic automatic headlight
levelling
To prevent oncoming traffic frombeing dazzled, headlight levelling is
automatically adjusted based on
vehicle inclination information.
Headlights when driving abroad 3 135.
Page 224 of 289
222Vehicle careBulb replacement
Switch off the ignition and switch off
the relevant switch or close the doors.
Only hold a new bulb at the base. Do not touch the bulb glass with bare
hands.
Use only the same bulb type for
replacement.
Replace headlight bulbs from within
the engine compartment.
Bulb check After a bulb replacement switch on
the ignition, operate and check the
lights.
Halogen headlights
Halogen headlights with separate
bulbs for low beam and high beam.
Sidelights and daytime running lights
are designed as LEDs and can not be changed.
Low beam ( 1) outer bulb.
High beam ( 2) inner bulb.
Front turn signal light ( 3)
Low beam (1)
1. Rotate cap anticlockwise and
remove it.
Page 225 of 289
Vehicle care2232. Rotate the bulb holderanticlockwise to disengage.
Withdraw the bulb holder from the reflector housing.
3. Remove the bulb from the plug connector by pulling.
4. Replace the bulb and connect it to
the plug connector.
5. Insert the bulb holder, engaging the lugs into the reflector housing
and rotate clockwise to secure.
6. Fit the cap and rotate clockwise.
High beam (2)
1. Rotate cap anticlockwise and remove it.
2.Withdraw the bulb holder from the
reflector housing.
3. Remove the bulb from the plug connector by pulling.
4. Replace the bulb and connect it to
the plug connector.
5. Insert and push the bulb holder into the reflector housing by
setting the lug into position.
6. Fit the cap and rotate clockwise.
Page 226 of 289
224Vehicle careFront turn signal (3)
1. Rotate bulb socket anticlockwiseto disengage. Withdraw the bulb
socket from the reflector housing.
2. Remove the bulb from the socket by turning anticlockwise and
pulling.
3. Replace and insert new bulb into socket and turn clockwise.
4. Insert the bulb socket into the reflector housing and turn
clockwise.
LED headlights
Headlights for low and high beam,
sidelights, daytime running lights and turn signal lights are designed as
LEDs and can not be changed.
Have lights repaired by a workshop in
case of failure.
Fog lights
The bulbs are accessible from
beneath the vehicle.
1. Remove the outer screws of the cover, as shown in the illustration.
Page 233 of 289
Vehicle care231No.Circuit1Engine control module2Lambda sensor3Fuel injection/Ignition system4Fuel injection/Ignition system5–6Exterior mirror heating/Anti-
theft alarm system7Fan control/Engine control
module/Transmission control
module8Lambda sensor/Engine cooling9Rear window sensor10Battery sensor11Tailgate release12Adaptive forward lighting/Auto‐
matic light control13ABS14Rear window wiper15Engine control moduleNo.Circuit16Starter17Transmission control module18Heated rear window19Front power windows20Rear power windows21Rear electrical centre22Left high beam (Halogen)23–24Right headlight (LED)25Left headlight (LED)26Front fog lights27Diesel fuel heating28Stop-start system29Electric parking brake30ABS31Adaptive cruise control32Airbag
Page 234 of 289

232Vehicle careNo.Circuit33Adaptive forward lighting/Auto‐
matic light control34Exhaust gas recirculation35Exterior mirror/Rain sensor36Climate control37Canister vent solenoid38Vacuum pump39Central control module40Windscreen washer/Rear
window washer system41Right high beam (Halogen)42Radiator fan43Windscreen wiper44Windscreen wiper45Radiator fan46–47Horn48Radiator fanNo.Circuit49Fuel pump50Headlamp levelling/Adaptive
forward lighting51Air shutter52Auxiliary heater/Diesel engine53Transmission control module/
Engine control module54Vacuum pump/Instrument
panel cluster/Heating ventila‐
tion/Air conditioning system
After having changed defective fuses,
close the fuse box cover and press
until it engages.
If the fuse box cover is not closed
correctly, malfunctions may occur.
Instrument panel fuse box
In left-hand drive vehicles, the fuse
box is behind the storage
compartment in the instrument panel.
Open the compartment and push it to the left to unlock. Fold the
compartment down and remove it.
Page 286 of 289

284GGauges ....................................... 104
Gear shifting ............................... 114
General information ...................208
Glass panel .................................. 34
Glovebox ..................................... 66
H Halogen headlights ....................222
Hand brake ................................. 166
Hazard warning flashers ............137
Headlight flash ........................... 134
Headlight range adjustment ......134
Headlights................................... 132 Headlights when driving abroad 135
Head restraint adjustment .............8
Head restraints ............................ 36
Heated mirrors ............................. 30
Heated rear window ..................... 33
Heated steering wheel .................97
Heating ........................................ 43
Heating and ventilation system . 142
High beam ......................... 116, 133
High beam assist ................116, 133
Hill start assist ........................... 168
Horn ....................................... 14, 98
I
Identification plate .....................262
Ignition switch positions .............151
Immobiliser .......................... 28, 116Indicators.................................... 104
Info display ................................. 121
Information displays.................... 117
Instrument cluster ......................104
Instrument panel fuse box .........232
Instrument panel illumination .....229
Instrument panel illumination control .................................... 139
Instrument panel overview ........... 10
Interactive driving system ...........171
Interior care ............................... 256
Interior lighting ............................ 139
Interior lights ...................... 139, 228
Interior mirrors .............................. 30
Interruption of power supply ......164
Introduction .................................... 3
J
Jump starting ............................. 251
K Keys ............................................. 20
Keys, locks ................................... 20
L Lane departure warning .....114, 197
Lashing eyes ............................... 88
LED headlights ...........116, 136, 224
Lighting features .........................140
Light switch ................................ 132
Load compartment ................25, 79Load compartment cover .............81
Load compartment fuse box ......233
Loading information .....................94
Load rails and hooks ...................88
Low fuel ..................................... 116
M Malfunction indicator light ..........112
Manual anti-dazzle ......................30
Manual mode ............................. 163
Manual seat adjustment ...............39
Manual transmission .................. 165
Manual windows ..........................31
Memorised settings ......................22
Mirror adjustment ........................... 8
Misted light covers .....................138
N
New vehicle running-in ..............151
Number plate light .....................228
O Object detection systems ...........188
Odometer ................................... 104
Oil, engine .................. 216, 259, 264
OnStar ........................................ 128
Operate pedal ............................. 113
Outside temperature ..................100
Overhead console .......................68
Overrun cut-off ........................... 153