Page 22 of 223

20Keys, doors and windowsRadio remote control
Used to operate:■ Central locking system
■ Anti-theft alarm system
The radio remote control has a range of approx. 30 metres. It can be
restricted by external 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.
Basic settings
Some settings can be changed in the menu Settings in the Info-Display.
Vehicle personalisation 3 100.
Radio remote control battery
replacement
Replace the battery as soon as the
range reduces.
Batteries do not belong in household
waste. They must be disposed of at
an appropriate recycling collection
point.
Key with foldaway key section
Page 98 of 223

96Instruments and controls
No.Vehicle message28Right rear turn signal failure53Tighten gas cap54Water in diesel fuel filterS68Service power steeringS73Service all-wheel drive systemS75Service air conditioningS79Top up engine oilS81Service transmissionS82Change engine oil soonS84Engine power is reducedS89Service vehicle soon128Bonnet open134Park assist fault, clean
bumperS136Service parking assist174Low batteryNotice
"S" means "Service vehicle soon".
Seek the assistance of a workshop
immediately.
Vehicle messages on the
Uplevel-Display and Uplevel- Combi-Display
The vehicle messages are displayed
as text. Follow the instructions given
in the messages.
The system displays messages
regarding the following topics:
■ Service messages
■ Anti-theft alarm system
■ Brakes
■ Drive systems
■ Ride control systems
■ Driver assistance systems
■ Cruise control
■ Speed limiter
■ Parking assist systems
■ Lighting, bulb replacement
■ Adaptive forward lighting
■ Doors, windows
■ Traffic sign assistant
■ Lane departure warning
■ Load compartment, boot lid
■ Radio remote control
■ Seat belts
■ Airbag systems
■ Engine and transmission
■ Tyre pressure
■ Diesel particle filter
■ Vehicle battery status
Page 165 of 223

Vehicle care163
Charging the vehicle battery9Warning
On vehicles with stop-start
system, ensure that the charging potential does not exceed
14.6 volts when using a battery
charger. Otherwise the vehicle
battery might be damaged.
Jump starting 3 189.
Warning label
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. Repeat this process after
no less than 5 seconds. If the engine fails to start, seek the assistance of a
workshop.
Wiper blade replacement
Page 172 of 223

170Vehicle careInterior lightsCourtesy lights 1. To remove it, prise the opposite side of the light switch using a flat-blade screwdriver.
2. Remove the bulb.
3. Replace the bulb.
4. Reinstall the light assembly.
Load compartment light
1. Prise the light out with a screwdriver.
2. Remove bulb.
3. Insert new bulb.
4. Install light.Electrical system
Fuses
Data on the replacement fuse must
match the data on the defective fuse.
In a box above the positive terminal of the battery are some main fuses. If
necessary have them changed by a
workshop.
Before replacing a fuse, turn off the
respective switch and the ignition.
A blown fuse can be recognised 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.
Notice
Not all fuse box descriptions in this
manual may apply to your vehicle.
When inspecting the fuse box, refer
to the fuse box label.
Page 218 of 223

216IndexAAccessories and vehicle modifications .......................... 156
Adaptive forward lighting .....89, 107
Adjustable air vents ...................118
Airbag and belt tensioners ...........84
Airbag deactivation ................46, 84
Airbag label................................... 41 Airbag system .............................. 41
Air conditioning regular operation ................................ 119
Air conditioning system .............. 114
Air intake .................................... 118
Air vents...................................... 118
All-wheel drive ........................... 131
Antilock brake system ................ 131
Antilock brake system (ABS) .......86
Anti-theft alarm system ................25
Anti-theft locking system .............. 25
Appearance care ........................193
Automatic anti-dazzle ..................28
Automatic light control ...............104
Automatic locking ........................23
Automatic transmission .............127
Auxiliary heater ........................... 117
B Battery discharge protection ......112
Battery voltage ............................. 97Bicycle rack .................................. 57
Bonnet ....................................... 158
Bonnet open ................................. 89
Brake and clutch fluid .................198
Brake and clutch system .............85
Brake assist ............................... 133
Brake fluid .................................. 161
Brakes ............................... 131, 161
Breakdown.................................. 191
Bulb replacement ....................... 164
C
Capacities .................................. 209
Catalytic converter .....................126
Central locking system ................21
Centre console storage ...............56
Centre high-mounted brake light 169
Changing tyre and wheel size ...181
Charging system .......................... 85
Child locks ................................... 23
Child restraint installation locations ................................... 49
Child restraints.............................. 47
Child restraint systems ................47
Climate control ............................. 15
Climate control systems .............113
Clock ............................................ 76
Code ............................................. 95
Control indicators.......................... 82
Control of the vehicle .................120
Page 222 of 223

220
VVehicle battery ........................... 161
Vehicle checks............................ 157
Vehicle data ................................ 202
Vehicle data recording and privacy ..................................... 214
Vehicle detected ahead ................89
Vehicle dimensions .................... 207
Vehicle Identification Number ....200
Vehicle jack ................................ 175
Vehicle messages .......................95
Vehicle personalisation .............100
Vehicle security ............................ 25
Vehicle specific data ......................3
Vehicle storage ........................... 156
Vehicle tools ............................... 175
Vehicle unlocking ........................... 6
Vehicle weight ........................... 207
Ventilation ................................... 113
W
Warning chimes ........................... 97
Warning lights ............................... 79
Warning triangle .......................... 69
Washer and wiper systems .........14
Washer fluid ............................... 161
Wheel changing .........................185
Wheel covers ............................. 181
Wheels and tyres .......................176Windows....................................... 29
Windscreen................................... 29
Windscreen wiper/washer ...........73
Winter tyres ............................... 176
Wiper blade replacement ..........163
X Xenon headlights .......................166