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200Driving and operatingInsert the tensioned coupling ball bar
in the opening and push firmly
upwards until it audibly engages.
The rotary handle snaps back into its
original position resting against the
coupling ball bar without a gap.9 Warning
Do not touch rotary handle during
insertion.
Lock the coupling ball bar by turning
the key to position e. Remove the key
and close the protective flap.
Eye for break-away stopping cable
Attach breakaway stopping cable to
eye.
Check that the coupling ball bar is correctly installed
● Green marking on rotary knob must point towards green
marking on coupling ball bar.
● There must be no gap between the rotary handle and the
coupling ball bar.
● The coupling ball bar must be firmly engaged in the opening.
● The coupling ball bar must be locked and the key removed.9Warning
Towing a trailer is permitted only
when a coupling ball bar is fitted correctly. If the coupling ball bardoes not engage correctly, seekthe assistance of a workshop.
Dismounting the coupling ball bar
Open the protective flap and turn the
key to position c to unlock the
coupling ball bar.
Pull out rotary handle and turn
clockwise as far as it will go. Pull out coupling ball bar downwards.
Insert sealing plug in opening. Fold away socket.
Trailer stability assist
If the system detects snaking
movements, engine power is reduced
and the vehicle/trailer combination is
Page 214 of 263
212Vehicle careTail lightsTail lights, daytime running lights and
centre high-mounted brake light are
designed as LEDs. In case of failure, have LEDs replaced by a workshop.
Light assembly in the body
1. Open the tailgate then unclip the access cover on the relevant side.
2. Slacken the lamp fixing nut usinga box spanner or socket.
To avoid losing the nut if it drops
into the wing trim, first place a
cloth below it.
3. Manually unscrew and remove the lamp fixing nut.
4. Disengage the retaining clip, while pushing the lamp out
slightly.5. From the outside, carefully withdraw the light assembly from
recess and remove. Take care
that the cable duct remains in
position.
6. Turn the bulb socket anticlockwise and remove it from
the light assembly.
Page 216 of 263
214Vehicle care2. Slacken the lamp fixing nut usinga box spanner or socket.
3. Manually unscrew and remove the lamp fixing nut.
4. Disengage the retaining clip, while pushing the light assembly
out slightly.
5. From the outside, carefully withdraw light assembly from
recess and remove. Take care
that the cable duct remains in
position.
6. Turn the bulb socket anticlockwise and remove it from
the light assembly.
7. Detach the bulb from the bulb socket and replace the bulb:
Reverse light ( 1)
Rear fog light ( 2)
8. Insert the bulb socket into the light
assembly. Fit the light assembly in the recess and tighten the lamp
fixing nut from the inside. Attach
the cover.
Centre high-mounted brake light The centre high-mounted brake light
is designed as LED and can not be
changed.
Have lights repaired by a workshop in
case of failure.
Bulb check
Switch on the ignition, operate and
check all lights.
Page 217 of 263
Vehicle care215Side turn signal lights
To replace bulb, remove lamp
housing:
1. Slide lamp to its left side and remove with its right end.
2. Turn bulb socket clockwise andremove from housing.
3. Detach the bulb from the bulb socket and replace the bulb.
4. Insert bulb socket and turnanticlockwise.
5. Insert left end of the lamp, slide to
the left and insert right end.
Number plate light Number plate lights are designed as
LEDs and can not be changed.
Have lights repaired by a workshop in
case of failure.
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.
Page 259 of 263

257Climate control systems.............123
Clock............................................. 83
Collision damage repair ..............251
Control indicators.......................... 92
Control of the vehicle .................134
Controls ........................................ 79
Convex shape .............................. 38
Coolant and antifreeze ...............235
Cruise control ...................... 99, 158
Cupholders .................................. 68
Curtain airbag system .................. 59
Curve lighting.............................. 115
D Danger, Warnings and Cautions ...4
Daytime running lights ...............115
Declaration of conformity ............248
DEF ............................................ 143
Deflation detection system ...........97
Diesel exhaust fluid ....................143
Diesel fuel system bleeding .......209
Diesel particle filter ...............97, 142
Door open .................................... 99
Doors ............................................ 30
Driver alert .................................. 192
Driver assistance systems ..........158
Driver Information Centre .............99
Driving characteristics and towing tips .............................. 197
Driving hints ................................ 134E
Electric adjustment ......................38
Electric parking brake ...95, 150, 151
Electric parking brake fault ...........95
Electronic climate control system 126
Electronic driving programmes ..148
Electronic key system ...................23
Electronic Stability Control and Traction Control system ....96, 153
End-of-life vehicle recovery .......204
Engine coolant ........................... 206
Engine coolant temperature ........96
Engine coolant temperature gauge ....................................... 91
Engine data ............................... 243
Engine exhaust .......................... 142
Engine identification ...................239
Engine oil ................... 205, 235, 240
Engine oil pressure ......................97
Entry lighting .............................. 121
Event data recorders ..................254
Exit lighting ................................ 122
Exterior care .............................. 231
Exterior light ................................. 98
Exterior lighting ....................12, 112
Exterior mirrors ............................. 38
F
Fault ........................................... 148
First aid ......................................... 75First aid kit ................................... 75
Fixed air vents ........................... 132
Fog light ....................................... 98
Fog lights ................................... 211
Folding mirrors ............................. 38
Forward collision alert................. 169
Front airbag system .....................58
Front fog lights ........................... 119
Front pedestrian protection ........173
Front seats.................................... 45
Fuel............................................. 193
Fuel consumption - CO 2-
Emissions ............................... 196
Fuel for diesel engines ..............194
Fuel for petrol engines ...............193
Fuel gauge ................................... 91
G Gauges ......................................... 89
Gear shifting ................................. 96
General information ...................197
Glass panel .................................. 43 Glovebox ..................................... 68
Glovebox cooler ......................... 132
H Halogen headlights ....................210
Hazard warning flashers ............118
Headlight flash ........................... 114
Headlight range adjustment ......114
Headlights................................... 112