Page 22 of 231

20Keys, doors and windowsRadio remote control
Used to operate:■ Central locking system,
■ Anti-theft locking system,
■ Anti-theft alarm system,
■ Power windows.
The radio remote control has a range of approx. 5 metres. This range can
be affected by outside influences.
The hazard warning flashers confirm
operation.
Handle with care, protect from
moisture and high temperatures and
avoid unnecessary operation.
Fault
If the central locking system cannot
be operated with the radio remote
control, it may be due to the following:
■ Range exceeded,
■ Battery voltage too low,
■ Frequent, repeated operation of the
radio remote control while not in
range, which will require re-
synchronisation,
■ Overload of the central locking system by operating at frequent
intervals, the power supply is
interrupted for a short time,
■ Interference from higher-power radio waves from other sources.
Unlocking 3 21.
Radio remote control battery replacement
Replace the battery as soon as the
range is noticeably diminished.
Batteries do not belong in household
waste. They must be disposed of at
an appropriate recycling collection
point.
Key with foldaway key section
Page 154 of 231

152Vehicle care
Meaning of symbols:■ No sparks, naked flames or smoking.
■ Always shield eyes. Explosive gases can cause blindness or
injury.
■ Keep the vehicle battery out of reach of children.
■ The vehicle battery contains sulphuric acid which could cause
blindness or serious burn injuries.
■ See the Owner's Manual for further
information.
■ Explosive gas may be present in the vicinity of the vehicle battery.Diesel fuel system
bleeding
If the tank has been run dry, the diesel fuel system must be bled. Switch on
the ignition three times for
15 seconds at a time. Then crank the
engine for a maximum of
40 seconds (for technical reasons
only 30 seconds are possible with
engine A 17 DTS). Repeat this
process after no less than 5 seconds .
If the engine fails to start, seek the
assistance of a workshop.Wiper blade replacement
Service setting for front windscreen wipers
Switch off the ignition but do not
remove ignition key or open driver's
door.
Within 4 seconds, push the wiper
lever down and release as soon as
the wipers are vertical.
Page 226 of 231

224IndexAAccessories and vehicle modifications .......................... 145
Active head restraints ..................35
Adaptive forward lighting ..........
.................................. 85, 100, 156
Adjustable air vents ...................112
Airbag and belt tensioners ...........80
Airbag deactivation ................46, 80
Airbag label................................... 41 Airbag system .............................. 41
Air conditioning regular operation ................................ 113
Air conditioning system .............. 107
Air intake .................................... 113
Air vents...................................... 112
Antilock brake system ................ 128
Antilock brake system (ABS) .......82
Anti-theft alarm system ................25
Anti-theft locking system .............. 25
Appearance care ........................191
Apply footbrake ............................ 84 Ashtrays ....................................... 75
Automatic anti-dazzle ..................29
Automatic light control .................98
Automatic locking ........................24
Automatic transmission .............120
Auxiliary heater ........................... 112B
Battery discharge protection ......105
Battery voltage ............................. 90
Bicycle rack .................................. 54
Bonnet ....................................... 147
Brake and clutch fluid .................195
Brake and clutch system .............81
Brake assist ............................... 130
Brake fluid .................................. 150
Brake light switch ......................... 90
Brakes ............................... 128, 150
Breakdown.................................. 189
Bulb replacement ....................... 153
C Capacities .................................. 216
Car Pass ...................................... 19
Catalytic converter .....................120
Central locking system ................21
Centre console lighting ..............105
Changing tyre and wheel size ...176
Charging system .......................... 80
Child locks ................................... 24
Child restraint installation locations ................................... 49
Child restraints.............................. 48
Child restraint systems ................48
Cigarette lighter ........................... 75
Climate control ............................. 15
Page 230 of 231

228
Upholstery.................................. 193
Upshift .......................................... 82
Using this manual ..........................3
V Vehicle battery ........................... 150
Vehicle checks............................ 146
Vehicle data ................................ 199
Vehicle data recording and privacy ..................................... 222
Vehicle dimensions .................... 214
Vehicle Identification Number ....197
Vehicle jack ................................ 170
Vehicle messages .......................90
Vehicle personalisation ...............95
Vehicle security ............................ 25
Vehicle specific data ......................3
Vehicle storage ........................... 145
Vehicle tools ............................... 170
Vehicle unlocking ........................... 6
Vehicle weight ........................... 209
Ventilation ................................... 106
W
Warning chimes ........................... 90
Warning lights ............................... 76
Warning triangle .......................... 67
Washer and wiper systems .........14
Washer fluid ............................... 149
Wheel changing .........................183Wheel covers ............................. 177
Wheels and tyres .......................172
Windows ....................................... 29
Windscreen................................... 29 Windscreen wiper/washer ...........72
Winter mode ................................ 82
Winter tyres ............................... 172
Wiper blade replacement ..........152