
343
If and when
WARNING (Continued)
● Observe the instructions provided by the manufacturer of the jump
leads.
● Do not connect the negative cable from the other vehicle directly to
the negative terminal of the flat battery. The gas emitted from the battery
could be ignited by sparks. Danger of explosion.
● Do not attach the negative cable from the other vehicle to parts of the
fuel system or to the brake line.
● The non-insulated parts of the battery clamps must not be allowed to
touch. The jump lead attached to the positive battery terminal must not
touch metal parts of the vehicle, this can cause a short circuit.
● Position the leads in such a way that they cannot come into contact
with any moving parts in the engine compartment.
● Do not lean on the batteries. This could result in chemical burns.
Note
The vehicles must not touch each other, otherwise electricity could flow as
soon as the positive terminals are connected.
Towing and tow starting Introduction
When towing, always respect legal requirements.
For technical reasons, it is not possible to tow a vehicle if the battery is flat.
Additional information and warnings:
● Electronic power control and exhaust gases purification system
⇒ page 231
WARNING
A vehicle with a flat battery should never be towed.
● Never remove the key from the ignition lock. The electronic steering
lock could engage. Then the vehicle will be uncontrollable. You may lose
control of the vehicle and there is a risk of serious accident.
WARNING
When towing the vehicle, the handling and braking efficiency change
considerably. Please observe the following instructions to minimise the
risk of serious accidents and injury:
● As the driver of the vehicle being towed:
– The brake must be depressed must harder as the brake servo does
not operate. Always remain aware to avoid collision with the towing
vehicle.
– More strength is required at the steering wheel as the power steer-
ing does not operate when the engine is switched off.
● As the driver of the towing vehicle:
– Accelerate gently and carefully.
– Avoid sudden braking and manoeuvres.
– Brake well in advance than usual and brake gently.
CAUTION
● Carefully fit and remove the towline anchorage and its cover to avoid
damage to the vehicle (for example, paintwork).
● When towing, fuel could enter the catalytic converter and cause dam-
age!
Safety FirstOperating instructionsPractical tipsTechnical Specifications

346If and when
Fitting the towline anchorage to the rear for vehicles without factory fitted
tow hitch
● Take the towline anchorage from the vehicle tool kit in the luggage com-
partment ⇒ page 323.
● Press on the upper cover and carefully remove it back. This may require
some strength. Allow the cover to hang.
● Screw in the towline anchorage into its position anticlockwise as far as
it will go ⇒
. Use a suitable tool to firmly tighten the towline anchorage in
its location.
● After towing, remove the towline anchorage by turning it clockwise and
put the cover back in place.
CAUTION
● The towline anchorage must always be completely and firmly tightened.
Otherwise, it could be released while towing and tow-starting.
● Vehicles with a factory fitted towing bracket, can only be used for towing
with a tow bar, specially designed to fit on a tow hitch ball. Otherwise, the
tow hitch ball and the vehicle may be damaged. Otherwise, a tow rope
should be used.
Towing advice
Towing requires some experience, especially when using a tow rope. Both
drivers should be familiar with the technique required for towing. For this
reason, inexperienced drivers should abstain.
While driving, avoid excessive traction forces and jerking. When towing on
an unpaved road, there is always a risk of overloading and damaging the
anchorage points.
If the vehicle is towed, with the hazard warning lights on and the ignition
switched on, the turn signal may be used to indicate changes of direction.
Simply operate the turn signal lever as usual. Meanwhile, the hazard warn- ing lights will go off. When the turn signal lever is returned to the rest posi-
tion, the hazard warning lights will be turned on automatically.
Notes for the driver of the towed vehicle
●
Leave the ignition on to avoid locking the steering wheel, to release the
electronic parking brake and to activate the turn signals, the horn as well as
the window wipers and window washers.
● As the power assisted steering does not work if the engine is not run-
ning, you will need more strength to steer than normally.
● The brake must be depressed must harder as the brake servo does not
operate. Avoid hitting the towing vehicle.
● Note the instructions and information contained in the Instruction Man-
ual for the vehicle to be towed.
Notes for the driver of the towing vehicle
● Accelerate gently and carefully. Avoid sudden manoeuvres.
● Brake well in advance than usual and brake gently.
● Note the instructions and information contained in the Instruction Man-
ual for the vehicle to be towed.

350Description of specifications
Towing a trailer
Trailer weights
Trailer weight
The trailer weights and drawbar loads approved are selected in intensive tri-
als according to precisely defined criteria. The approved trailer weights are
valid for vehicles in the EU for maximum speeds of 80 km/h (50 mph) (in
certain circumstances up to 100 km/h (60 mph)). The figures may be differ-
ent in other countries. All data in the vehicle documentation takes prece-
dence over these data at all times ⇒
.
Drawbar loads
The maximum permitted drawbar load on the ball joint of the towing bracket
must not exceed 100 kg.
In the interest of road safety, we recommend that you always tow approach-
ing the maximum drawbar load. The response of the trailer on the road will
be poor if the drawbar load is too small.
If the maximum permissible drawbar load cannot be met (e.g. with small,
empty and light-weight single axle trailers or tandem axle trailers with a
wheelbase of less than 1 metre), a minimum of 4% of the actual trailer
weight is legally required for the drawbar load.
WARNING
● For safety reasons, do not exceed the 80 km/h (50 mph) limit. This is
also valid in countries where higher speeds are permitted.
● Never exceed the maximum trailer weights or the drawbar load. If the
permissible axle load or the permissible total weight is exceeded, the
driving characteristics of the vehicle may change, leading to accidents,
injuries and damage to the vehicle.
Wheels
Tyre pressure, snow chains, wheel bolts
Tyre pressures
The sticker with the tyre pressure values can be found on the inside of the
fuel tank flap. The tyre pressure values given there are for cold tyres. The
slightly raised pressures of warm tyres must not be reduced. ⇒
Snow chains
Snow chains may be fitted only to the front wheels.
Consult the section “wheels” of this manual.
Wheel bolts
After the wheels have been changed, the tightening torque of the wheel
bolts should be checked as soon as possible with a torque wrench ⇒
.
The tightening torque for steel and alloy wheels is 140 Nm.
WARNING
● Check the tyre pressure at least once per month. Checking the tyre
pressure is very important. If the tyre pressure is too high or too low,
there is an increased danger of accidents, particularly at high speeds.
● If the tightening torque of the wheel bolts is too low, they could loos-
en while the vehicle is in motion. Risk of accident! If the tightening tor-
que is too high, the wheel bolts and threads can be damaged.
Note
We recommend that you ask your Technical Service for information about
appropriate wheel, tyre and snow chain size.

366Technical specifications
Dimensions and capacities
DimensionsLength, width 4854 mm1904 mmHeight at kerb weight 1720 mmFront and rear projection Wheelbase 2919 mmTurning circle
Track width a)FrontRear1.557 - 1.569 mm1.605 - 1.617 mmCapacitiesFuel tank 70 litres. Reserve 8 litres.Windscreen washer fluid container with headlight washer 3.5 l/ 6 lTyre pressureSummer-grade tyres:The correct tyre pressure can be seen on the sticker on the inside of the tank flap.Winter tyres:The pressure of these tyres is the same as the summer tyre pressure plus 0.2 bar.a)
This data will change depending on the type of wheel rim.
CAUTION
● Special care should be taken when parking in areas with high kerbs or
fixed barriers. Objects protruding from the ground may damage the bumper
or other parts of the vehicle during manoeuvres.
● Special attention is required when driving through entrances, over
ramps, kerbs or other objects. The vehicle underbody, bumpers, mudguards
and running gear, and the engine and exhaust system could be damaged as
you drive over these objects.

Brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184Brake servo . . . . . . . . . . . . . . . . . . . . . . . . . 188
Electronic parking brake . . . . . . . . . . . . . . 186
Emergency braking function . . . . . . . . . . . 187
Parking brake . . . . . . . . . . . . . . . . . . . . . . . 186
Brake assist systems . . . . . . . . . . . . . . . . . . . . 190
Brake assist system (BAS) . . . . . . . . . . . . . . . . 190
Brake fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192 Specification . . . . . . . . . . . . . . . . . . . . . . . . 193
Brakes Brake assist systems . . . . . . . . . . . . . . . . . 190
Brake fluid . . . . . . . . . . . . . . . . . . . . . . . . . 192
Brake fluid level . . . . . . . . . . . . . . . . . . . . . 193
Brake pads . . . . . . . . . . . . . . . . . . . . . . . . . 188
Changing the brake fluid . . . . . . . . . . . . . . 193
Control lamp . . . . . . . . . . . . . . . . . . . . . . . . 185
Emergency brake indicator in case of sud-den braking . . . . . . . . . . . . . . . . . . . . . . . 316
Running-in brake pads . . . . . . . . . . . . . . . . 188
Warning lamp . . . . . . . . . . . . . . . . . . . . . . . 185
Brake servo . . . . . . . . . . . . . . . . . . . . . . . . 188, 190
Brake system Malfunction . . . . . . . . . . . . . . . . . . . . . . . . 188
Brake systems . . . . . . . . . . . . . . . . . . . . . . . . . 190
Braking assist . . . . . . . . . . . . . . . . . . . . . . . . . . 190 Brake assist system (BAS) . . . . . . . . . . . . . 190
Breakdown Securing the vehicle . . . . . . . . . . . . . . . . . 315
Bulb fault See changing bulbs . . . . . . . . . . . . . . . . . . 329 C
Card compartments . . . . . . . . . . . . . . . . . . . . . 145
Care See "Care of your vehicle" . . . . . . . . . . . . . 245
Vehicle interior . . . . . . . . . . . . . . . . . . . . . . 252
Care of your vehicle Exterior . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245
Caring for paintwork . . . . . . . . . . . . . . . . . . . . . 250
Carrier system . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Catalytic converter . . . . . . . . . . . . . . . . . . . . . . 232 Control lamp . . . . . . . . . . . . . . . . . . . . . . . . 231
Malfunction . . . . . . . . . . . . . . . . . . . . . . . . 232
CD changer . . . . . . . . . . . . . . . . . . . . . . . . 141, 149
Central locking . . . . . . . . . . . . . . . . . . . . . . . 74, 77 Anti-theft alarm . . . . . . . . . . . . . . . . . . . . . . 78
Locking/unlocking the vehicle . . . . . . . . . . 76
Central locking system After airbag deployment . . . . . . . . . . . . . . . 75
Description . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Opening doors individually . . . . . . . . . . . . . 75
Centre armrest . . . . . . . . . . . . . . . . . . . . . . . . . 126
Changing Windscreen wiper blades . . . . . . . . . . . . . 249
Changing a wheel . . . . . . . . . . . . . . . . . . . . . . 309 Changing a wheel . . . . . . . . . . . . . . . . . . . 314
Preparations . . . . . . . . . . . . . . . . . . . . . . . . 309
Raising the vehicle . . . . . . . . . . . . . . . . . . . 312
Wheel bolts . . . . . . . . . . . . . . . . . . . . . . . . . 310
Changing bulbs . . . . . . . . . . . . . . . . . . . . . . . . 329 Bodywork . . . . . . . . . . . . . . . . . . . . . . . . . . 336
Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . 330
Control lamp . . . . . . . . . . . . . . . . . . . . . . . . 329 Front bumper . . . . . . . . . . . . . . . . . . . . . . . 334
Halogen headlights . . . . . . . . . . . . . . . . . . 331
Initial operations . . . . . . . . . . . . . . . . . . . . 330
Number plate light . . . . . . . . . . . . . . . . . . . 338
Rear lid . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335
Sea changing bulbs . . . . . . . . . . . . . . . . . . 329
Tail lights . . . . . . . . . . . . . . . . . . . . . . 335, 336
Xenon headlights . . . . . . . . . . . . . . . . . . . . 333
Changing gear . . . . . . . . . . . . . . . . . . . . . . . . . 175 Automatic gearbox . . . . . . . . . . . . . . . . . . . 179
Engaging gears (manual gearbox) . . . . . . 178
Manual gearbox . . . . . . . . . . . . . . . . . . . . . 178
Manually unlocking the gear selector lever . .322
Selecting gears (automatic gearbox) . . . . 179
Warning and control lamps . . . . . . . . . . . . 176
Changing gears Gear recommendation . . . . . . . . . . . . . . . . 183
Tiptronic . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
Changing the battery of the vehicle key . . . . . . . . . . . . . . . . . . . . . 73
Changing the wheel After changing the wheel . . . . . . . . . . . . . . 314
Checking Tyre pressures . . . . . . . . . . . . . . . . . . . . . . . 301
Checking the oil level . . . . . . . . . . . . . . . . . . . . 284
Check list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Checklist Before working in the engine compart-ment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280
Changing bulbs . . . . . . . . . . . . . . . . . . . . . 330
In case of an emergency . . . . . . . . . . . . . . 315
369
Index