138LightingThe following lighting functions are
available with light switch in position
AUTO or 9.
Town light
Activated automatically at a speed up to approx. 34 mph and in situations
with exterior ambient light. The light is
wide and symmetrical. A special
beam pattern is designed to avoid
glare for other road users.
Country light
Activated automatically at a speed
above approx. 34 mph when driving
in rural areas. The illumination of the
current lane and the side of the road is improved. Oncoming and
preceding vehicles are not dazzled.
Curve light
Particular LEDs, based on steering
angle and speed, are additionally
triggered to improve lighting in
curves. This function is activated at
speeds from 25 mph to 43 mph and
reacts to steering angle.
Corner light
When turning off, depending on the
steering angle and the turn signal light, particular LEDs are triggered
which illuminate the direction of
travel. It is activated up to a speed of
25 mph.
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
4 mph in a forward gear.
High beam assistThis feature allows the high beam to
function as main driving light at night.
The camera in the windscreen
detects the lights of oncoming or
preceding vehicles. Each LED on
right or left side can be triggered or
faded out particulary according to the traffic situation. This gives the best
light distribution without glaring other
road users. Once activated, high
beam assist remains active and
switches high beam on and off
depending on surrounding
Lighting139conditions. The latest setting of the
high beam assist will remain after the
ignition is switched on again.
High beam assist includes a special
motorway mode. When driving faster
than 71 mph on motorways, the light
beam becomes smaller to avoid
glaring of oncoming traffic. When
following vehicles ahead or passing, mirror glaring for these vehicles is
reduced.
ActivationIndicator lever with or without MENU
button
Activate high beam assist by pushing the indicator lever twice. High beam isswitched on automatically at a speed
above 31 mph. High beam is switched
off at a speed below 22 mph, but high
beam assist remains active.
Indicator lever with f button
Activate high beam assist by pressing
f once. High beam is switched on
automatically at a speed above
31 mph . High beam is switched off at
a speed below 22 mph, but high beam
assist remains active.
The green control indicator f
illuminates continuously when the
high beam assist is activated, the blue
one 7 illuminates when high beam is
on.
Control indicator f 3 113, 7
3 113.
140LightingPressing indicator lever once
switches on manual high beam
without high beam assist.
High beam assist switches
automatically to low beam when:
● Driving in urban areas.
● Reverse parking function is active.
● Front or rear fog lights are switched on.
If there are no restrictions detected,
the system switches back to high
beam.
DeactivationIndicator lever with or without MENU button
If high beam assist is active and high
beam is on, pull indicator lever once
to deactivate high beam assist.
If high beam assist is active and high
beam is off, push indicator lever twice
to deactivate high beam assist.
Pushing the indicator lever to activate manual high beam will also
deactivate high beam assist.Indicator lever with f button
If high beam assist is active and high
beam is on, press f once or pull
indicator lever once to deactivate high
beam assist.
If high beam assist is active and high
beam is off, press f once to
deactivate high beam assist.
Pushing the indicator lever to activate manual high beam will also
deactivate high beam assist.Headlight flash in conjunction with
high beam assist
Headlight flash by pulling indicator
lever once will not deactivate high beam assist when high beam is off.
Headlight flash by pulling indicator
lever once deactivates high beam
assist when high beam is on.
Dynamic automatic headlight
levelling
To prevent oncoming traffic from being dazzled, headlight levelling is
automatically adjusted based on
inclination information measured by
front and rear axle, acceleration or
deceleration and vehicle speed.
Headlights when driving abroad
3 137.
Fault in LED headlight system
When the system detects a failure in
the LED headlight system, it selects a preset position to avoid dazzling of
oncoming traffic. A warning is
displayed in the Driver Information Centre.
Hazard warning flashers
Operated by pressing ¨.
234Vehicle careWiper blade replacement
Lift the wiper arm until it stays in the
raised position, press button to
disengage the wiper blade and
remove.
Attach the wiper blade slightly angled
to the wiper arm and push until it
engages.
Lower wiper arm carefully.
Wiper blade on the rear window
Lift wiper arm. Disengage wiper blade as shown in illustration and remove.
Attach the wiper blade slightly angled
to the wiper arm and push until it
engages.
Lower wiper arm carefully.
Bulb 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.
Vehicle care235
Low beam (1) outer bulb.
High beam ( 2) inner bulb.
Low beam (1)
1. Rotate the cap anticlockwise and remove it.
2. Disengage spring clip fromretainer by pulling. Withdraw the
bulb holder from the reflector
housing.
3. Detach the bulb from the bulb holder and replace the bulb.
4. Insert the bulb holder, engaging the two lugs into the reflector
housing and rotate clockwise to
secure.
5. Push spring clip back in place. 6. Fit the cap and rotate clockwise.
236Vehicle careHigh beam (2)
1. Rotate the cap anticlockwise andremove it.
2. Disengage spring clip fromretainer by moving it forward and
to the side. Swivel spring clip
downwards.
3. Withdraw the bulb holder from the
reflector housing.
4. Detach the bulb from the bulb holder and replace the bulb.
5. Insert the bulb holder and install spring clip.
Fit the cap and rotate clockwise.
Front turn signal light
In case of defective LEDs, have them replaced by a workshop.
Side light
In case of defective LEDs, have them
replaced by a workshop.
Daytime running light In case of defective LEDs, have them
replaced by a workshop.
Fog lights
The bulbs are accessible from the
underside of the vehicle.
1. Turn the bulb holder anti- clockwise and remove it from the
reflector housing.
Vehicle care247No.Circuit18Diesel exhaust system19Diesel exhaust system20–21DC/AC Converter22ABS23Washer system for windscreen
and rear window24–25Diesel fuel heating26Transmission control module27Power tailgate module28–29Heated rear window30Mirror defrost31–32DC transformer/LED display/
Electrical heater/Climate
control/Glow plug controllerNo.Circuit33Anti theft warning34Horn35Power outlet load compartment36Right high beam (Halogen)/
Right low beam (LED)37Left high beam (Halogen)38LED headlight/Automatic head‐
light range adjustment39Front fog light40OnStar41Water in fuel sensor/Water
pump42Manual headlight range adjust‐
ment43Fuel pump44Rear view camera/Inside rear
view mirror/Trailer module45LED headlight left/Automatic
headlight range adjustment leftNo.Circuit46Instrument cluster47Steering column lock48Rear wiper49–50LED headlight right/Automatic
headlight range adjustment
right51Left low beam (LED)52Engine control module/Trans‐
mission control module53–54Windscreen wiper55Diesel exhaust system56–57–
After having changed defective fuses,
close the fuse box cover and press
until it engages.
If the fuse box cover is not closed
correctly, malfunction may occur.
304Headlight range adjustment ......136
Headlights................................... 135
Headlights when driving abroad 137
Head restraint adjustment .............8
Head restraints ............................ 45
Heated mirrors ............................. 39
Heated rear window ..................... 42
Heated steering wheel .................91
Heating .................................. 53, 55
Heating and ventilation system . 146
High beam ......................... 113, 136
High beam assist ........................113
Hill start assist ........................... 178
Horn ....................................... 13, 91
I
Identification plate .....................279
Ignition switch positions .............157
Immobiliser .......................... 37, 113
Indicators .................................... 103
Info display ................................. 120
Information displays.................... 114
Instrument cluster ......................100
Instrument panel fuse box .........248
Instrument panel illumination .....244
Instrument panel illumination control .................................... 143
Instrument panel overview ........... 10
Interior care ............................... 274
Interior lighting ............................ 143Interior lights ...................... 143, 244
Interior mirrors .............................. 39
Interruption of power supply ......170
Introduction .................................... 3
J
Jump starting ............................. 269
K Key, memorised settings ..............23
Keys ............................................. 19
Keys, locks ................................... 19
L Lane keep assist ................111, 214
Lashing eyes ............................... 80
LED headlights ...................113, 137
Lighting features .........................144
Light switch ................................ 135
Load compartment ................29, 72
Load compartment cover .............78
Load compartment fuse box ......250
Loading information .....................87
Low fuel ..................................... 112
M
Malfunction indicator light ..........110
Manual anti-dazzle ......................39
Manual mode .....................169, 174
Manual seat adjustment ...............47
Manual transmission .................. 171Manual transmission automated 172
Manual windows ..........................40
Massage ....................................... 54
Maximum speed ......................... 253
Memorised settings ......................23
Midlevel display .......................... 114
Mirror adjustment ........................... 9
Misted light covers .....................142
N New vehicle running-in ..............157
Number plate light .....................244
O
Object detection systems ...........198
Odometer ................................... 104 Oil, engine .......................... 277, 281
OnStar ........................................ 130
Outside temperature ....................94
Overrun cut-off ........................... 162
P Parking ................................ 18, 165
Parking assist ............................ 198
Parking brake ............................ 176
Parking lights ............................. 142
Particulate filter ........................... 167
Performance .............................. 286
Performing work ........................228
Pollen filter ................................. 155
Power button .............................. 158