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 250 of 315

248Vehicle care4. Insert bulb holder and turnclockwise.
5. Insert left end of the lamp, slide to
the left and insert right end.
Number plate light
The number plate light is designed as
LEDs and can not be changed. In
case of defective LEDs, have them
replaced by a workshop.
Interior lights
Have the following bulbs replaced by
a workshop:
● courtesy light, reading lights
● load compartment light
● instrument panel illuminationElectrical system
Fuses Data on the replacement fuse mustmatch the data on the defective fuse.
There are two fuse boxes in the
vehicle:
● engine compartment
● instrument panel
Before replacing a fuse, turn off the
respective switch and the ignition.
A blown fuse can be recognised by its melted wire.Caution
Do not replace the fuse until the
cause of the fault has been
remedied.
Some functions are protected by
several fuses.
Fuses may also be inserted without
existence of a function.
Fuse extractor
A fuse extractor may be located in the
fuse box in the engine compartment.
The extractor has two sides, each
side is designed for a different type of fuses.
Page 252 of 315
250Vehicle careNo.Circuit1–2–3ABS4–5–6Tailgate7Rear fog light / Front fog lights8Memory module9Heated windscreen10Seat lumbar11DC / DC battery12Heated rear window13Heated mirror14–15–16Front wiper17Power seat, passengerNo.Circuit18Sunblind19Power seat, driver20–21Sunroof22Rear wiper / Airbag23Adaptive forward lighting24–25–26Transmission control module27Ignition / Instrument panel28–29Rear view camera / Air vent30Malfunction indicator light /
Trailer31–32Camera33Seat heat front34Seat heat rearNo.Circuit35Damping / All-wheel drive36Fuel system37–38–39–40Steering wheel lock41–42–43Heated steering wheel44Headlight range adjustment45–46Engine control module47–48DC/DC converter / Air vent / E-
Boost49Rear door control module50–51–
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.
Page 255 of 315
Vehicle care253No.Circuit18Body control module19AdBlue module20Body control module21Body control module22Body control module23Electric steering wheel lock24Airbag25Diagnostic connector26Power outlet load compartment27EBCM valve28Police provision29–30–31Steering wheel controls32Ignition switch33Climate control34Central gateway moduleNo.Circuit35AUX / USB connector36Wireless charger37Rear wiper38Emergency call39Display40Parking assist41Overhead console42Infotainment SystemVehicle tools
Tools
Vehicles with spare wheel
The jack with wheel wrench, the tools,
an extension bolt for securing a
damaged wheel and the towing eye
are placed in the tool box below the
spare wheel in the load compartment.
Spare wheel 3 265.
Page 273 of 315

Vehicle care271Towing
Towing the vehicle
Wrap a cloth around the tip of a flat
screwdriver to prevent paint damage.
Insert the screwdriver in the slot at the
edge of the cap. Release the cap by
levering it out carefully.
The towing eye is stowed with the
vehicle tools 3 253.
Screw in the towing eye as far as it will
go until it stops in a horizontal
position.
Attach a tow rope – or better still a tow
rod – to the towing eye.
The towing eye must only be used for
towing and not for recovering the
vehicle.
Switch on ignition to release steering wheel lock and to permit operation of
brake lights, horn and windscreen
wiper.
Caution
Deactivate the driver assistance
systems like active emergency
braking 3 194, otherwise the
vehicle may automatically brake during towing.
Switch the selector lever to neutral.
Release the parking brake.
Caution
Drive slowly. Do not drive jerkily.
Excessive tractive force can
damage the vehicle.
When the engine is not running,
considerably more force is needed to
brake and steer.
To prevent the entry of exhaust gases from the towing vehicle, switch on the
air recirculation and close the
windows.
Vehicles with manual transmission
and All-wheel drive: If the vehicle is
towed with all four wheels on the
ground then there are no technical
Page 312 of 315

310HHalogen headlights ....................238
Hand brake ................................. 170
Hazard warning flashers ............134
Headlight flash ........................... 132
Headlight range adjustment ......132
Headlights................................... 129
Headlights when driving abroad 132
Head restraint adjustment .............8
Head restraints ............................ 46
Head-up display.......................... 118 Heated mirrors ............................. 40
Heated rear window ..................... 43
Heated steering wheel .................89
Heated windscreen .......................44
Heating .................................. 55, 56
High beam ......................... 110, 130
High beam assist ................110, 130
Hill start assist ........................... 173
Horn ....................................... 14, 90
I
Identification plate .....................281
Ignition switch positions .............152
Immobiliser .......................... 38, 110
Indicators .................................... 101
Inductive charging ........................95
Info Display ................................. 117
Instrument cluster ........................97
Instrument panel fuse box .........252Instrument panel illumination
control .................................... 136
Instrument panel overview ........... 10
Interactive driving system ...........176
Interior care ............................... 275
Interior lighting ............................ 136
Interior lights ...................... 137, 248
Interior mirrors .............................. 40
Interruption of power supply ......168
Introduction .................................... 3
J
Jump starting ............................. 269
K
Key, memorised settings ..............26
Keys ............................................. 21
Keys, locks ................................... 21
L
Lane change alert .......................207
Lane keep assist ................108, 218
Lashing eyes ............................... 81
LED headlights ...........110, 133, 240
Lighting features .........................138
Light switch ................................ 129
Load compartment ................30, 76
Load compartment cover .............79
Loading information .....................86
Low fuel ..................................... 109M
Malfunction indicator light ..........106
Manual anti-dazzle ......................40
Manual mode ............................. 166
Manual seat adjustment ...............49
Manual transmission .................. 169
Massage ....................................... 56
Memorised settings ......................26
Mirror adjustment ........................... 8
Misted light covers .....................136
N New vehicle running-in ..............152
Number plate light .....................248
O
Object detection systems ...........199
Odometer ................................... 102 Oil, engine .......................... 279, 283
Outside temperature ....................93
Overrun cut-off ........................... 157
P Panoramic view system ..............209
Parking ................................ 19, 159
Parking assist ...................... 40, 199
Parking brake ............................ 171
Parking lights ............................. 136
Particulate filter ........................... 160
Pedestrian detection ...................111
Performance .............................. 288