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96Instruments and controlsTurn signal
O illuminates or flashes green.
Illuminates The control indicator illuminates
briefly when the parking lights are
switched on.
Flashes
The control indicator flashes if a turn
signal or the hazard warning flashers
are activated.
Rapid flashing: failure of a direction
indicator lamp or associated fuse,
failure of direction indicator lamp on
trailer.
Bulb replacement 3 166. Fuses
3 181.
Turn signals 3 120.
Seat belt reminder X illuminates or flashes red.
Illuminates After the ignition is switched on until
the seat belt is fastened.Flashes
After starting off until the seat belt is
fastened.
Fastening the seat belt 3 55.
Airbag, belt tensioners and
anti-roll bars v illuminates red.
When the ignition is switched on, the
control indicator illuminates for
approx. 4 seconds. If it does not
illuminate, does not go out after
4 seconds or illuminates whilst
driving, there is a fault in the belt
tensioner, the airbags, the deployable
anti-roll bars or the seat occupancy
recognition system. The systems may fail to trigger in the event of an
accident.
Deployment of the belt tensioners,
airbags or deployable anti-roll bars is
indicated by continuous illumination
of v.9 Warning
Have the cause of the fault
remedied immediately by a
workshop.
Airbag system, belt tensioners 3 57,
3 54.
Seat occupancy
recognition y illuminates or flashes yellow.
Illuminated
If the vehicle is equipped with seat occupancy recognition, y illuminates
for approx. 4 seconds after the
ignition is switched on.
If a child restraint system with
transponders is detected, y remains
illuminated. Only then a child restraint system with transponders may be
used on the front passenger seat as
the front passenger airbag systems
are deactivated 3 60.
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Instruments and controls111Lighting
Important exterior lights, including
cables and fuses, are monitored. In
trailer mode, trailer lighting is also
monitored. Trailers with LED lighting
must have an adapter that enables
light monitoring as with conventional
bulbs.
The failed lighting will be indicated in
the information display or the
message InSP2 will appear in the
instrument panel display.
Anti-theft alarm system
System fault in anti-theft alarm
system. Have the cause of the fault
remedied by a workshop.
Tyre pressure
On vehicles with tyre pressure
monitoring system, if there is low tyre pressure, information which tyre to
check appears on the display.
Reduce speed and check tyre
pressure at the next opportunity. Tyre
pressure monitoring system 3 191.
Check tyre pressure 3 190, 3 225.
If there is a considerable loss of
pressure, a corresponding message
appears indicating the tyre.
Steer out of flow of traffic as quickly as possible without endangering
other vehicles. Stop and check the
tyres. Mount the spare wheel 3 196.
If run-flat tyres are fitted, maximum
speed is 80 km/h. Information 3 189.
Tyre pressure monitoring system
3 191.
Washer fluid level
Low washer fluid level. Top up
washer fluid 3 163.
Page 161 of 245

Vehicle care159Vehicle careGeneral Information...................159
Vehicle checks ........................... 160
Bulb replacement .......................166
Electrical system ........................181
Vehicle tools .............................. 187
Wheels and tyres .......................188
Jump starting ............................. 200
Towing ....................................... 201
Appearance care .......................203General Information
Accessories and vehicle
modifications
We recommend using genuine parts and accessories and factory
approved parts specific for your
vehicle type. We cannot assess or guarantee reliability of other products
- even if they have a regulatory or
otherwise granted approval.
Do not make any modifications to the electrical system, e.g. changes of
electronic control units (chip tuning).Caution
When transporting the vehicle on
a train or on a recovery vehicle, the
mud flaps might be damaged.
Vehicle storage
Storage for a long period of time
The following must be done if the
vehicle should be stored for several months:
■ Wash and wax the vehicle.
■ Have the wax in the engine compartment and underbody
checked.
■ Clean and preserve rubber seals.
■ Fill up fuel tank completely.
■ Change engine oil.
■ Drain washer fluid reservoir.
■ Check coolant antifreeze.
■ Adjust tyre pressure to the value specified for full load.
■ Park vehicle in dry, well ventilated place. Engage first or reverse gear
or set selector lever to P. Prevent
the vehicle from rolling.
■ Do not apply parking brake.
Page 168 of 245
166Vehicle care
Wiper blade on the rear window
Lift the wiper arm. Disengage the
wiper blade and remove.
Bulb replacement
Switch off the ignition and switch off
the relevant switch or close the doors.
Only hold a new bulb at the base! Do
not touch the bulb glass with bare
hands.
Use only the same bulb type for
replacement.
The bulbs of the front outer lights are
replaced through openings in the
front wheel housing: turn wheels in away that allows access, release catch
and remove cover.
To replace bulbs on the right side of
the engine compartment, detach the
air hose from the air filter. On the left
side, detach the plug to the fuse box.
Halogen headlights
Headlights have separate systems forhigh beam 1 (inner bulbs) and low
beam 2 (outer bulbs).
Low beam 1. Replace bulbs through the opening in the wheel housing.
Page 169 of 245
Vehicle care167
2. Remove protective cover 2.
3. Rotate the bulb holder anti-
clockwise to disengage. Withdrawthe bulb holder from the reflector.
4. Detach bulb from bulb holder and renew the bulb.
5. Insert the bulb holder, engagingthe two lugs into the reflector androtate clockwise to secure.
6. Rotate bulb carrier to the right as far as it will go.
7. Install protective cover.
8. Close the opening in the wheel housing with the cover.
High beam 1. Access to the bulbs is through the
engine compartment.
2. Remove protective cover 1.
3. Detach wiring plug from bulb.
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168Vehicle care
4. Disengage spring clip fromretainer by pressing forward and
then swinging downwards.
5. Withdraw the bulb from reflector housing.
6. When installing the new bulb, insert lugs in the reflector
recesses and engage the spring
clip.
7. Install the wiring plug onto bulb. 8. Install protective cover.
Side lights 1. Access to the bulbs is through the
engine compartment.2. Remove protective cover 1.
3. Withdraw parking light bulb holder
from reflector.
4. Remove bulb from socket and renew the bulb.
5. Insert holder in reflector. Install the headlamp protective cover.
Page 171 of 245
Vehicle care169Xenon headlights
Headlamps have separate systems
for low beam 1 (inner bulbs) and high
beam 2 (outer bulbs).
Low beam
9 Danger
Low beam works under extremely
high electrical voltage. Do not
touch. Have bulbs replaced by a
workshop.
High beam
1. Replace bulbs through the openings in the wheel arches.
2. Remove protective cover.
3. Rotate left bulb holder anddisengage.
4.Remove the bulb holder with bulb
from the reflector.
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170Vehicle care
5. Detach bulb from bulb holder.
6. Insert new bulb so that the two lugs on the bulb holder engage in
the recesses in the reflector.
7. Rotate bulb holder to the right as far as it will go.
8. Place protective cover in position and close.
Side lights
1. Replace bulbs through the openings in the wheel arches.
2. Remove main beam headlight protective cover.
3.Remove parking light socket from
reflector.