Page 110 of 299

108Instruments and controls
Control indicators in the centreconsole
Turn signal
O illuminates or flashes green.
Illuminates briefly The parking lights are switched on.
Flashes A turn signal or the hazard warning
flashers are activated.
Rapid flashing: failure of a turn signal
light or associated fuse, failure of turn
signal light on trailer.
Bulb replacement 3 227, Fuses
3 235.
Turn signals 3 140.
Seat belt reminder Seat belt reminder on frontseats X for driver's seat or for front
passenger seat illuminates or flashes
red.
Illuminates
After the ignition has been switched
on until the seat belt has been
fastened.
Flashes
After having started the engine, for a
maximum of 100 seconds until the
seat belt has been fastened.
Fastening the seat belt 3 51.Seat belt status on rear seats
> or X in the Driver Information
Centre flashes or illuminates.
Illuminates
After having started the engine, for a
minimum of 35 seconds until the seat
belt has been fastened.
If an unfastened seat belt is fastened
whilst driving.
Flashes
After starting-off, when the seat belt is unfastened.
Fastening the seat belt 3 51.
Page 237 of 299
Vehicle care235
2. Remove the bulb from the socketby pulling.
3. Replace the bulb and insert it into
the socket.
4. Push the cover into the housing.
Interior lights
Courtesy lights, reading lights
Have bulbs replaced by a workshop.
Load compartment light
Have bulbs replaced by a workshop.
Instrument panel
illumination
Have bulbs replaced by a workshop.Electrical system
Fuses
Data on the replacement fuse must
match the data on the defective fuse.
There are three fuse boxes in the
vehicle:
■ in the front left of the engine compartment,
■ in left-hand drive vehicles, in the interior behind the storage
compartment, or, in right-hand
drive vehicles, behind the
glovebox,
■ behind a cover on the left side of the
load compartment.
Before replacing a fuse, turn off the
respective switch and the ignition.
Page 238 of 299
236Vehicle care
There are different kinds of fuses in
the vehicle.
Depending on the type of fuse, a
blown fuse can be recognized by its
melted wire. 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.
Place the fuse extractor on the
various types of fuse from the top or
side, and withdraw fuse.
Page 240 of 299

238Vehicle care
No.Circuit15Engine control module16Starter17Transmission control module18Heated rear window19Front power windows20Rear power windows21Rear electrical centre22Left high beam (Halogen)23Headlamp washer system24Right low beam (Xenon)25Left low beam (Xenon)26Front fog lights27Diesel fuel heating28Stop-start system29Electric parking brake30ABS31Adaptive cruise controlNo.Circuit32Airbag33Adaptive forward lighting, auto‐
matic light control34Exhaust gas recirculation35Outside rear view mirror, rain
sensor36Climate control37Canister vent solenoid38Vacuum pump39Central control module40Windscreen washer, rear
window washer system41Right high beam (Halogen)42Radiator fan43Windscreen wiper44Windscreen wiper45Radiator fan46–No.Circuit47Horn48Radiator fan49Fuel 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, malfunction may occur.
Page 295 of 299

293
Child restraints.............................. 58
Child restraint systems ................58
Cigarette lighter .........................101
Climate control ............................. 16
Climate control systems .............145
Clock............................................. 99
Code ........................................... 121
Control indicators........................ 105
Control of the vehicle .................154
Controls ........................................ 94
Convex shape .............................. 29
Coolant and antifreeze ...............266
Cruise control ....................114, 174
Cupholders .................................. 64
Curtain airbag system .................. 56
Curve lighting.............................. 136
D Danger, Warnings and Cautions ...4
Daytime running lights ...............136
Declaration of conformity ............287
DEF ............................................ 161
Diesel exhaust fluid ....................161
Diesel fuel system bleeding .......226
Diesel particle filter .............112, 160
Door open .................................. 114
Door panel storage .......................65
Doors ............................................ 25
Driver assistance systems ..........174
Driver Information Centre ...........115Driving characteristics and
towing tips .............................. 213
Driving hints ................................ 154
E Electric adjustment ......................29
Electrical system......................... 235
Electric parking brake .........110, 169
Electric parking brake fault .........110
Electronic climate control system 147
Electronic driving programmes ..166
Electronic Stability Control.......... 172
Electronic Stability Control and Traction Control system ..........112
Electronic Stability Control off..... 112
End-of-life vehicle recovery .......219
Engine compartment fuse box ...237
Engine coolant ........................... 222
Engine coolant temperature gauge ..................................... 104
Engine data ............................... 273
Engine exhaust .......................... 160
Engine identification ...................269
Engine oil ................... 220, 266, 270
Engine oil pressure ....................113
Entry lighting .............................. 143
Event data recorders ..................289
Exit lighting ................................ 143
Exterior care .............................. 261
Exterior light ............................... 113Exterior lighting ....................13, 133
Exterior mirrors ............................. 29
F
Fault ........................................... 166
First aid kit ................................... 90
Fixed air vents ........................... 152
Flex-Fix system ............................ 68
Fog light ..................................... 114
Fog lights ................................... 230
Folding mirrors ............................. 29
Folding tray .................................. 90
Following distance indication ......187
Forward collision alert................. 184
Front airbag system .....................54
Front fog lights ........................... 140
Front seats.................................... 38
Front storage ................................ 65
Fuel............................................. 204
Fuel consumption - CO 2-
Emissions ............................... 212
Fuel for diesel engines ..............204
Fuel for liquid gas operation .......205
Fuel for natural gas operation ...204
Fuel for petrol engines ...............204
Fuel gauge ................................. 103
Fuel selector .............................. 103
Fuses ......................................... 235