Instruments and controls83
Illuminates together with other controlindicators (e.g., p, I and R),
accompanied by a warning chime and
a corresponding message in the
Driver Information Centre: stop
engine immediately and seek the
assistance of a workshop.
Brake system
R illuminates red.
Illuminates when the parking brake is
released if the brake fluid level is too
low 3 136.9 Warning
Stop. Do not continue your
journey. Consult a workshop.
Illuminates after the ignition is
switched on if the parking brake is
applied 3 118 and extinguishes
when the parking brake is released.
If a brake failure message appears in the Driver Information Centre, there is
a fault in the braking system. Seek the
assistance of a workshop
immediately.
Brake system 3 117.
Antilock brake system
(ABS) u illuminates yellow.
Illuminates briefly after the ignition is
switched on. The system is ready for
operation when u goes out.
If control indicator u does not go out
after a few seconds, or if it illuminates while driving, there is a fault in the
ABS. Control indicator F may also
illuminate in the instrument cluster
together a corresponding message in the Driver Information Centre. The
brake system remains operational but
without ABS regulation.
If control indicators u, F , R and C
illuminate, ABS is deactivated and a
corresponding message appears in
the Driver Information Centre. Seek
the assistance of a workshop
immediately.
Antilock brake system 3 117.Upshift
k or j illuminates.
It is recommended to shift gear when illuminated to improve fuel economy.
Electronic Stability
Program v flashes or illuminates yellow.
Illuminates briefly when the ignition is
switched on.
Flashing during driving The system is actively engaged.
Engine output may be reduced and
the vehicle may be braked
automatically to a small degree.
Illuminates while driving The system is not available. A
corresponding message also
appears in the Driver Information
Centre.
Electronic Stability Program 3 119,
Traction Control system 3 118.
Driving and operating117Brakes
The brake system comprises two
independent brake circuits.
If a brake circuit fails, the vehicle can
still be braked using the other brake
circuit. However, braking effect is
achieved only when you depress the
brake pedal firmly. You need to use
considerably more force for this. The
braking distance is extended. Seek
the assistance of a workshop before
continuing your journey.
When the engine is not running, the
support of the brake servo unit
disappears once the brake pedal has
been depressed once or twice.
Braking effect is not reduced, but
braking requires significantly greater
force. It is especially important to bear this in mind when being towed.
If control indicator R illuminates in
the instrument cluster while driving and a corresponding message
appears in the Driver Information
Centre, there is a fault in the braking
system. Seek the assistance of a
workshop immediately.Control indicator R 3 83.
Vehicle messages 3 87.
Antilock brake system Antilock brake system (ABS)
prevents the wheels from locking.
ABS starts to regulate brake pressure as soon as a wheel shows a tendency
to lock. The vehicle remains
steerable, even during hard braking.
ABS control is made apparent
through a pulse in the brake pedal
and the noise of the regulation
process.
For optimum braking, keep the brake
pedal fully depressed throughout the
braking process, despite the fact that
the pedal is pulsating. Do not reduce
the pressure on the pedal.
Control indicator u 3 83.
Fault If control indicator u does not go out
a few seconds after the ignition is
switched on, or if it illuminates while driving, there is a fault in the ABS.
Control indicator F 3 82 may alsoilluminate in the instrument cluster
together with a corresponding
message in the Driver Information
Centre. The brake system remains
operational but without ABS
regulation.9 Warning
If there is a fault in the ABS, the
wheels may be liable to lock due
to braking that is heavier than
normal. The advantages of ABS are no longer available. During
hard braking, the vehicle can no longer be steered and may
swerve.
If control indicators u, F , R 3 83
and C 3 82 illuminate, the ABS and
ESP are deactivated and a
corresponding message appears in
the Driver Information Centre. Have
the cause of the fault remedied by a
workshop.
Vehicle messages 3 87.
Vehicle care147
No.Circuit1Vehicle battery (with electronic
key system)2APC battery backup (with elec‐
tronic key system)3Passenger compartment heater4Adaptations5Adaptations6Passenger compartment heater7Additional air conditioning8Additional heating9Electric exterior mirrors, addi‐
tional adaptations10Heated exterior mirrors11Radio, multimedia, electric exte‐
rior mirrors, diagnostic socket12Multimedia, trailer hitch13Fuel injection system, courtesy
lightsNo.Circuit14Fuel injection system, tyre pres‐ sure monitoring system, elec‐
tronic key system15Hazard warning flashers, turn and lane-change signals16Central locking17Left-hand high beam, right-hand
low beam, tail lights, left-hand
daytime running light18Front fog lights, rear fog lights,
number plate lighting19Alarm, horn, automatic light
control, wiper20Instrument cluster21Light switch22Rear window wiper, windscreen
washer pump, horn23APC general battery24Reversing lights25Engine start-stop buttonNo.Circuit26Fuel injection, starter27Airbag, steering column lock28Passenger power window29Power steering30Brake lights31APC battery backup (with elec‐
tronic key system)32Service display33Cigarette lighter, power outlet34Right-hand high beam, left-
hand low beam, headlights,
right-hand daytime running light35Brake lights, ABS, immobiliser36Interior lighting, air conditioning37Starting with electronic key
system38Rear window wiper39Warning chimes
162Vehicle care
To prevent the entry of exhaust fumesfrom the towing vehicle, switch on the
air recirculation system and close the windows.
Seek the assistance of a workshop.
After towing, unscrew the towing eye and replace cap.
Towing another vehicle
The fixed towing eye is located under the rear bumper.
Attach a tow rope - or better still a tow
rod - to the rear towing eye, never to
the rear axle and suspension units.
The rear towing eye must only be
used for towing and not recovering a
vehicle.Caution
Drive slowly. Do not drive jerkily.
Excessive tractive force can
damage the vehicle.
Trailer hitch 3 129.
Appearance care
Exterior care LocksThe 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 de-icing agent,
have the locks regreased by a
workshop.
Washing The paintwork of your vehicle is
exposed to environmental influences.
Wash and wax your vehicle regularly.
When using automatic vehicle
washes, select a programme that
includes waxing.
Bird droppings, dead insects, resin,
pollen and the like should be cleaned
off immediately, as they contain
aggressive constituents which can
cause paint damage.
Service and maintenance167
protection down to approx. -28 °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 fluid Only use high-performance brake
fluid approved for the vehicle. Consult
a workshop.
Over time, brake fluid absorbs
moisture which will reduce braking
effectiveness. The brake fluid should therefore be replaced at the specified interval.
Brake fluid should be stored in a
sealed container to avoid water
absorption.
Ensure brake fluid does not become
contaminated.
182IndexAAccessories and vehicle modifications .......................... 131
Adjustable air vents ...................106
Airbag and belt tensioners ...........81
Airbag deactivation ................55, 81
Airbag label................................... 50 Airbag system .............................. 50
Air conditioning regular operation ................................ 107
Air conditioning system ................ 98
Air intake .................................... 107
Air vents...................................... 106
Alert .............................................. 87
Antifreeze ................................... 135
Antilock brake system ................ 117
Antilock brake system (ABS) .......83
Anti-theft alarm system ................33
Anti-theft locking system .............. 31
Anti-theft security lock ..................23
Appearance care ........................162
Armrest ........................................ 43
Ashtrays ....................................... 76
Automatic anti-dazzle ..................37
Automatic fuel cut-off ..................112
Automatic light control .................91
Automatic locking ........................28
Autostop ....................................... 85
Auxiliary heater ........................... 102B
Battery, jump starting.................. 159
Belts.............................................. 47
Bonnet ....................................... 132
Brake and clutch fluid .................166
Brake assist ............................... 118
Brake fluid .................................. 136
Brakes ............................... 117, 136
Brake system ............................... 83
Breakdown.................................. 161
Bulb replacement ....................... 139
C Capacities .................................. 177
Car Pass ...................................... 19
Catalytic converter .....................115
Central locking system ................23
Centre high-mounted brake light 141
Changing tyre and wheel size ...153
Charging system .......................... 82
Child locks ................................... 28
Child restraint installation locations ................................... 58
Child restraints.............................. 56
Child restraint systems ................56
Cigarette lighter ........................... 75
Cleaning the vehicle ...................162
Climate control ............................. 15
Climate control systems ...............97