Page 227 of 255

Vehicle care225Caution
Drive slowly. Do not drive jerkily.
Excessive tractive force can
damage the vehicle.
After towing, unscrew the towing eye clockwise.
Insert cap at the top and engage
downwards.
Appearance care
Exterior care
Locks The locks are lubricated at the factory
using a high quality lock cylinder
grease. Use de-icing agent only when absolutely necessary, as this has a
degreasing effect and impairs lock
function. After using a de-icing agent,
have the locks regreased by a
workshop.
Washing The paintwork of your vehicle is
exposed to environmental influences,
therefore wash your vehicle regularly.
When using automatic vehicle
washes, prefer one with textile
brushes and select a programme
without wax additives.
When doing hand wash, use clear
water and a soft brush, cleaning in
grain direction of the textile hood.
Never use a a steam-jet or high-
pressure jet cleaner for the soft top
and the engine compartment.Wax painted parts of the vehicle regulary.
Bird droppings, dead insects, resin,
pollen and the like should be cleaned off immediately, as they contain
aggressive constituents which can
cause paint and fabric damage.
If using a vehicle wash, comply with
the vehicle wash manufacturer's
instructions. The windscreen wiper must be switched off. Remove
additional antenna and external
accessories.
If you wash your vehicle by hand, make sure that the insides of the
wheel housings are also thoroughly
rinsed out.
Clean edges and folds on opened
doors and the bonnet as well as the
areas they cover.Caution
Always use a cleaning agent with
a pH value of 4 to 9.
Do not use cleaning agents on hot surfaces.
Page 232 of 255

230Service and maintenance
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 on 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 3 233.
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 frostprotection 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.
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 3 140.
Page 250 of 255

248IndexAAccessories and vehicle modifications .......................... 184
Active head restraints ...................46
Adaptive forward lighting ....94,
113, 194
AdBlue .................................. 93, 140
Adjustable air vents ...................130
Airbag, belt tensioners and anti- roll bars ..................................... 89
Airbag deactivation ................62, 89
Airbag label................................... 57 Airbag system .............................. 57
Air conditioning regular operation ................................ 131
Air conditioning system .............. 123
Air intake .................................... 131
Air vents...................................... 130
Antilock brake system ................ 146
Antilock brake system (ABS) .......91
Anti-theft alarm system ................27
Anti-theft locking system .............. 26 Appearance care ........................225
Armrest ......................................... 53
Armrest storage ........................... 71
Ashtrays ....................................... 84
Automatic anti-dazzle ..................31
Automatic light control ...............110
Automatic locking ........................24Automatic transmission .............142
Auxiliary heater ........................... 130
B Battery discharge protection ......120
Battery voltage ........................... 103 BlueInjection ............................... 140
Bonnet ....................................... 186
Brake and clutch fluid .................229
Brake and clutch system .............90
Brake assist ............................... 149
Brake fluid .................................. 189
Brakes ............................... 146, 189
Breakdown.................................. 223
Bulb replacement ....................... 192
C Capacities .................................. 241
Car Pass ...................................... 20
Catalytic converter .....................139
Central locking system ................22
Centre console storage ...............71
Changing tyre and wheel size ...212
Charging system .......................... 90
Child restraint installation locations ................................... 65
Child restraints.............................. 63
Child restraint systems ................63
Cigarette lighter ........................... 84
Climate control ............................. 16