168Driving and operatingChecking the tensioning of the
coupling ball bar
● Red marking on rotary knob must
point towards green marking on
coupling ball bar.
● The gap between the rotary knob
and the coupling ball bar must be approx. 5 mm.
Otherwise, the coupling ball bar must be tensioned before being inserted:
Pull out rotary knob and turn
clockwise as far as it will go.
Inserting the coupling ball bar
Insert 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 clockwise. Remove the key
and close the protective flap.
Eye for break-away stopping cable
Driving and operating169Attach 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 detachable
coupling ball bar
Open the protective flap and turn the
key clockwise 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.
246Fuse box..................................... 190
Fuses ......................................... 188
G Gauges ......................................... 88
General information ...................165
Glovebox ..................................... 60
Graphic-Info-Display, Colour- Info-Display ............................ 103
H Halogen headlights ....................179
Hand brake ......................... 149, 150
Hazard warning flashers ............123
Headlight flash ........................... 121
Headlight range adjustment ......121
Headlights .......................... 119, 121
Headlights when driving abroad 121
Head restraint adjustment .............8
Head restraints ............................ 34
Heated mirrors ............................. 29
Heated rear window ..................... 32
Heated steering wheel .................81
Heating ........................................ 40
Heating and ventilation system . 128
High beam ........................... 99, 121
Hill start assist ........................... 151
Horn ....................................... 13, 82I
Identification plate .....................223
Ignition switch positions .............139
Immobiliser ............................ 28, 98
Indicators ...................................... 88
Information displays.................... 100
Instrument cluster ........................88
Instrument panel fuse box .........192
Instrument panel illumination .....188
Instrument panel illumination control .................................... 125
Instrument panel overview ........... 10
Interior care ............................... 217
Interior lighting ............................ 125
Interior lights ...................... 125, 188
Interior mirrors .............................. 30
Interruption of power supply ......147
Introduction .................................... 3
ISOFIX child restraint systems ....59
J
Jump starting ............................. 212
K Keys ............................................. 19
Keys, locks ................................... 19
Keys, memorised settings ............21
L Lashing eyes ............................... 75
Light covers, misted.................... 124Lighting features .........................126
Light switch ................................ 119
Load compartment ................26, 72
Load compartment cover .............73
Load compartment fuse box ......193
Loading information .....................78
Low fuel ....................................... 98
M Malfunction indicator light ............95
Manual anti-dazzle ......................30
Manual mode ............................. 147
Manual transmission .................. 148
Manual windows ..........................31
Memorised settings ......................21
Mirror adjustment ........................... 8
Misted light covers .....................124
Moonroof ..................................... 33
N New vehicle running-in ..............139
Number plate light .....................187
O
Object detection systems ...........155
Octane rating .............................. 227
Odometer ..................................... 88
Oil ............................................... 173
Oil, engine .......................... 220, 224
Oil pressure .................................. 98
OnStar® system .........................115
