Page 195 of 271

Vehicle care193BrakesIn the event of minimum thickness ofthe brake lining, a squealing noise
sounds during braking.
Continued driving is possible but
have the brake lining replaced as
soon as possible.
Once new brake linings are installed,
do not brake unnecessarily hard for
the first few journeys.
Brake fluid9 Warning
Brake fluid is poisonous and
corrosive. Avoid contact with eyes, skin, fabrics and painted surfaces.
The brake fluid level must be betweenthe MIN and MAX marks.
If fluid level is below the MIN mark,
seek the assistance of a workshop.
Brake and clutch fluid 3 235.
Vehicle battery
The vehicle battery is maintenance-
free provided that the driving profile
allows sufficient charging of the
battery. Short-distance-driving and
frequent engine starts can discharge
the vehicle battery. Avoid the use of
unnecessary electrical consumers.
Batteries do not belong in household
waste. They must be disposed of at
an appropriate recycling collection
point.
Laying up the vehicle for more than
four weeks can lead to vehicle battery
discharge. Disconnect the clamp from
the negative terminal of the vehicle
battery.
Ensure the ignition is switched off
before connecting or disconnecting
the vehicle battery.
Battery discharge protection 3 121.
Disconnecting the battery If the vehicle's battery is to be
disconnected (e.g. for maintenance
work), the alarm siren must be
deactivated as follows: Switch the
ignition on then off, then disconnect
the vehicle's battery within
15 seconds.
Page 208 of 271
206Vehicle careNo.Circuit30Engine control module31High beam left, Xenon low
beam left32High beam right, Xenon low
beam right33Engine control module34Horn35Air condition compressor clutch36Front fog lightsNo.Circuit1ABS pump2Front wiper3Blower4Seat heating5Cooling fan6–7Transmission8Cooling fan9Cooling fan10Cooling fan11Starter
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 238 of 271

236Service and maintenanceUse of engine oils for all petrol
engines with only ACEA quality is
prohibited, since it can cause engine
damage under certain operating
conditions.
Select the appropriate engine oil
based on its quality and on the
minimum ambient temperature
3 239.
Additional engine oil additives
The use of additional engine oil
additives could cause damage and
invalidate the warranty.
Engine oil viscosity grades
The SAE viscosity grade gives
information of the thickness of the oil.
Multigrade oil is indicated by two
figures, e.g. SAE 5W-30. The first
figure, followed by a W, indicates the
low temperature viscosity and the
second figure the high temperature
viscosity.
Select the appropriate viscosity grade
depending on the minimum ambient
temperature 3 239.All of the recommended viscosity
grades are suitable for high ambient
temperatures.
Coolant and antifreeze
Use only silicate-free long life coolant (LLC) antifreeze. Consult a
workshop.
The system is factory filled with
coolant designed for excellent
corrosion protection and frost
protection down to approx. -28 °C. In
northern countries with very low
temperatures the factory filled coolant
provides frost protection down to
approx. -37 °C. This concentration
should be maintained all year round.
The use of additional coolant
additives that intend to give additional
corrosion protection or seal against
minor leaks can cause function
problems. Liability for consequences
resulting from the use of additional
coolant additives will be rejected.Washer fluid
Use only washer fluid approved for
the vehicle to prevent damage of
wiper blades, paintwork, plastic and
rubber parts. Consult a workshop.
Brake and clutch fluid Over time, brake fluid absorbs
moisture which will reduce braking
effectiveness. The brake fluid should therefore be replaced at the specified
interval.
Page 266 of 271

264IndexAAccessories and vehicle modifications .......................... 187
Adjustable air vents ...................130
Airbag and belt tensioners ...........90
Airbag deactivation ................48, 91
Airbag label................................... 43 Airbag system .............................. 43
Air conditioning regular operation ................................ 131
Air conditioning system .............. 123
Air intake .................................... 130
Air vents...................................... 130
Antilock brake system ................ 148
Antilock brake system (ABS) .......92
Anti-theft alarm system ................27
Anti-theft locking system .............. 26
Appearance care ........................230
Ashtrays ....................................... 82
Automatic anti-dazzle ..................30
Automatic light control ...............113
Automatic locking ........................24
Automatic transmission .............140
Autostop ............................... 95, 135
B Battery discharge protection ......121
Battery voltage ........................... 104
Belts.............................................. 40
Bicycle rack .................................. 58Bonnet ....................................... 189
Brake and clutch fluid .................235
Brake and clutch system .............92
Brake assist ............................... 149
Brake fluid .................................. 193
Brakes ............................... 148, 193
Breakdown.................................. 228
Bulb replacement ....................... 195
C Capacities .................................. 251
Car Pass ...................................... 21
Catalytic converter .....................140
Central locking system ................22
Centre high-mounted brake light 202
Changing tyre and wheel size ...216
Charging system .......................... 91
Child locks ................................... 25
Child restraint installation locations ................................... 53
Child restraints.............................. 49
Child restraint systems ................49
Cigarette lighter ........................... 82
City mode ................................... 152
Climate control ............................. 15
Climate control systems .............122
Clock ............................................ 79
Code ........................................... 102
Control indicators.......................... 87
Control of the vehicle .................133
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