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132LightingHeadlight flash
To activate the headlight flash, pull
lever.
Pulling lever deactivates high beam.
LED headlights 3 133.
Headlight range adjustment Manual headlight range
adjustment
Headlight range can be adjusted
manually if vehicle is equipped with
halogen headlights. LED headlights
are adjusted automatically.
Dynamic automatic headlight
levelling 3 133.
To adapt headlight range to the
vehicle load to prevent dazzling: push
and then turn ? to required position.
0:front seats occupied1:all seats occupied2:all seats occupied and load
compartment laden3:driver's seat occupied and load
compartment ladenHeadlights when driving
abroad
The asymmetrical headlight beam
extends visibility at the edge of the
road at the passenger side.
However, when driving in countries
where traffic drives on the opposite
side of the road, adjust the headlights to prevent dazzling of oncoming
traffic.
Vehicles with halogen headlight
system
The headlights do not have to be
adjusted.
Vehicles with LED headlightHeadlights can be set for driving on
the opposite side of the road in the
vehicle personalisation menu via the
Info Display.
Select the relevant setting in Settings
I Vehicle .
Info Display 3 117.
Vehicle personalisation 3 123.
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Lighting133Every time the ignition is switched on,
f flashes for approx. 4 seconds as a
reminder.
To deactivate, use the same
procedure as described above. f will
not flash when function is deactivated.
Control indicator f 3 110.
Daytime running lights Daytime running lights increase
visibility of the vehicle during daylight.
They are switched on automatically
during daytime when engine is
running.
The system switches between
daytime running lights and headlights automatically, depending on the
lighting conditions.
Automatic light control 3 130.
LED headlights LED headlight system contains a
variety of particular LEDs in each
headlight which enables the control of different lighting programmes.Light distribution and intensity of light
are variably triggered depending on
the lighting conditions, road type and
driving situation. The vehicle adapts
the headlights automatically to the
situation to enable optimal light
performance for the driver.
Some functions of the LED headlights
can be deactivated or activated in the vehicle personalisation menu. Select
the relevant setting in Settings I
Vehicle in the Info Display.
Vehicle personalisation 3 123.
The following lighting functions are
available with light switch in position
AUTO or 9.
Town light
Activated automatically at a speed up to approx. 50 km/h. The beam is
shaped broadly and designed to
avoid glare of other road users.
Country light
Activated automatically at a speed
above approx. 50 km/h for a certain
time. 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 40 km/h to 70 km/h. High beam increases the intensity of the
curve lighting.
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134LightingCorner light
When turning off, depending on the
steering angle and the turn light, particular LEDs are triggered whichilluminate the direction of travel. It is
activated up to a speed of 40 km/h.
High beam increases the intensity of
the cornering light.
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.
Dynamic automatic headlight
levelling
To prevent oncoming traffic frombeing 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 3 132.
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 ¨.
In the event of an accident with airbag
deployment, the hazard warning
flashers are activated automatically.
Page 213 of 315

Driving and operating211System limitationsCaution
For optimal operation of the
system, it is important to keep the
lenses of the cameras in the front
grille, the housings of outside
mirrors and in the tailgate between the number plate lights always
clean. Rinse the lenses with water and wipe with a soft cloth.
Do not clean the lenses with a
steam-jet or high-pressure jet
cleaner.
The panoramic view system may not
operate properly when:
● The surrounding is dark.
● The sun or the beam of headlights is shining directly into
the camera lenses.
● During nighttime driving.
● Weather limits visibility, such as fog, rain, or snow.
● The camera lenses are blocked by snow, ice, slush, mud, dirt.
● The vehicle is towing a trailer.
● The vehicle had an accident.
● There are extreme temperature changes.
Rear view camera The rear view camera assists the
driver when reversing by displaying a
view of the area behind the vehicle.
The view of the camera is displayed
in the Info Display.9 Warning
The rear view camera does not
replace driver vision. Note that
objects that are outside the
camera's field of view and the
parking assist sensors, e.g. below
the bumper or underneath the
vehicle, are not displayed.
Do not reverse or park the vehicle
using only the rear view camera.
Always check the surrounding of
the vehicle before driving.
Activation
Rear view camera is automatically
activated when reverse gear is
engaged.
Functionality
The camera is mounted between the number plate lights.
The area displayed by the camera is
limited. The distance of the image that
appears on the display differs from
the actual distance.
Page 240 of 315
238Vehicle careRear windowGrand Sport
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.
Sports Tourer, Country Tourer
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.
Page 241 of 315
Vehicle care239
Low beam (1) outer bulb.
High beam ( 2) inner bulb.
Low beam (1)
1. Rotate the cap anticlockwise and remove it.
2. Disengage bulb holder bypressing the retainer to the front.
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.
5. Fit the cap and rotate clockwise.
Page 242 of 315
240Vehicle careHigh beam (2)
1. Rotate the cap anticlockwise andremove it.
2. Disengage bulb holder bypressing the retainer to the front.
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.
5. Fit the cap and rotate clockwise.
Front turn lights
In case of defective LEDs, have them replaced by a workshop.
Side lights In case of defective LEDs, have them
replaced by a workshop.
Daytime running lights
In case of defective LEDs, have them replaced by a workshop.
LED headlights Headlights for low and high beam,
sidelights, daytime running lights and
turn lights are designed as LEDs and
cannot be changed.
Have lights repaired by a workshop in case of failure.
Front fog lights 1. Grand Sport, Sports Tourer
Page 253 of 315
Vehicle care251No.Circuit52–53–54–55–56Starter57–58–59Left headlight (LED)60Cooling fan61–62–63–64–65Climate control66–67–68–No.Circuit69Right high beam (Halogen) /
Right headlight (LED)70Left high beam (Halogen)71–72Starter73–74Transmission control module75Engine control module76Exhaust reduction system77–78Horn79Washer system80–81Engine control module82–83Ignition coil84Ignition coil85PowertrainNo.Circuit86–87Diesel fuel heating88Air shutter89–90–91–92After boil pump93Electronic key system94–95Coolant pump96Diesel fuel heating97–98–99Coolant pump
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.