Page 231 of 307

Vehicle care229Washer fluid
Fill with clean water mixed with a
suitable quantity of approved
windscreen washer fluid which
contains antifreeze.
Caution
Only washer fluid with a sufficient
antifreeze concentration provides
protection at low temperatures or
a sudden drop in temperature.
Brakes
In the event of minimum thickness of
the 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 MIN seek the
assistance of a workshop.
Brake and clutch fluid 3 270.
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 battery. Avoid the use of
unnecessary electrical consumers.
Page 273 of 307

Service and maintenance271Additional 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 3 274.
All of the recommended viscosity
grades are suitable for high ambient
temperatures.
Coolant and antifreeze
Use only organic acid type-long life
coolant (LLC) antifreeze approved for
the vehicle. Consult a workshop.
The system is factory filled with
coolant designed for excellent
corrosion protection and frost
protection down to approx. -28 °C. Innorthern 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.
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.
AdBlue Only use AdBlue to reduce the
nitrogen oxides in the exhaust
emission 3 166.
Page 302 of 307

300IndexAAccessories and vehicle modifications .......................... 224
Active Emergency Braking .........192
Active head restraints ...................37
Adaptive cruise control .......116, 182
Adaptive forward lighting ..115,
142, 234
AdBlue ........................ 114, 166, 270
Adjustable air vents ...................156
Airbag and belt tensioners .........110
Airbag deactivation ..............58, 111
Airbag label................................... 54
Airbag system .............................. 54
Air conditioning regular operation ................................ 157
Air conditioning system .............. 151
Air intake .................................... 157
Air vents...................................... 156
Antilock brake system ................ 173
Antilock brake system (ABS) .....112
Anti-theft alarm system ................27
Anti-theft locking system .............. 26
Appearance care ........................265
Armrest ......................................... 42
Armrest storage ........................... 69
Ashtrays ..................................... 103
Automatic anti-dazzle ..................31
Automatic light control ...............139
Automatic locking ........................24Automatic transmission .............169
Autostop ..................................... 161
Auxiliary heater ........................... 156
B Battery discharge protection ......149
Battery voltage ........................... 126
Bicycle rack .................................. 70
BlueInjection ............................... 166
Bonnet ....................................... 225
Brake and clutch fluid .................270
Brake and clutch system ...........111
Brake assist ............................... 175
Brake fluid .................................. 229
Brakes ............................... 173, 229
Breakdown.................................. 263
Bulb replacement ....................... 232
C Capacities .................................. 286
Cargo management system ........88
Car Pass ...................................... 21
Catalytic converter .....................165
Central locking system ................22
Centre console lighting ..............148
Centre console storage ...............70
Changing tyre and wheel size ...252
Charging system ........................ 111
Child locks ................................... 25
Child restraint installation locations ................................... 62
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