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Vehicle care167When the vehicle battery is being
replaced, please ensure that there
are no open ventilation holes in the
vicinity of the positive terminal. If a
ventilation hole is open in this area, it
must be closed off with a dummy cap,
and the ventilation in the vicinity of the negative terminal must be opened.
Ensure that the battery is always replaced by the same type of battery.
The vehicle battery has to be
replaced by a workshop.
Stop-start system 3 103.
Charging the vehicle battery9 Warning
On vehicles with stop-start
system, ensure that the charging potential does not exceed 14.6 V
when using a battery charger.
Otherwise the vehicle battery may be damaged.
Jump starting 3 191.
Discharge protection
Battery voltage
When the vehicle battery voltage is
running low, a warning message will
appear in the Driver Information
Centre.
When the vehicle is being driven, the
load reduction function temporarily
deactivates certain functions, such as
the air conditioning, the heated rear
window, heated steering wheel, etc.
The deactivated functions are
reactivated automatically as soon as
conditions permit.
Idle boost
If charging of the vehicle battery is
required due to battery condition, the
power output of the generator must
be increased. This will be achieved by
an idle boost which may be audible.
A message appears in the Driver
Information Centre.
Power outlet
The power outlets are deactivated in
the event of low vehicle battery
voltage.Warning label
Meaning of symbols:
● No sparks, naked flames or smoking.
● Always shield eyes. Explosive gases can cause blindness or
injury.
● The vehicle battery contains sulphuric acid which could cause
blindness or serious burn
injuries.
● Keep the vehicle battery out of reach of children.
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168Vehicle care● See the Owner's Manual forfurther information.
● Explosive gas may be present in the vicinity of the vehicle battery.
Power saving mode This mode deactivates electrical
consumers to avoid excessive
discharging of the vehicle battery.
These consumers, such as the
Infotainment system, windscreen
wipers, low beam headlights,
courtesy light, etc. can be used for a
total maximum time of about
40 minutes after ignition is switched
off.
Changing into power saving mode
When power saving mode is
activated, a message appears in the
Driver Information Centre.
An active telephone call using the
hands-free option will be maintained
for around 10 minutes longer.Deactivating power saving mode
Power saving mode is deactivated
automatically when the engine is
restarted. Run the engine for a
sufficient charge:
● for less than 10 minutes to use the consumers for approx.
5 minutes
● for more than 10 minutes to use the consumers for up to approx.
30 minutes
Heating functionalities Note
Individual heating functionalities,
such as heated seats or heated
steering wheel, may be temporarily
unavailable in the event of electrical
loading constraints. Functions will
be resumed after some minutes.Diesel fuel system bleeding
If the tank has been run dry, the diesel
fuel system must be bled. Refuel at
least five lieter diesel. Switch on the
ignition for about 60 seconds and switch off again. Then crank the
engine. If the engine does not start
directly, repeat this process a few
times. If the engine then fails to start,
seek the assistance of a workshop.
Wiper blade replacementWindscreen
Switch off ignition.
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Vehicle care169Within one minute after switching off
ignition, operate the wiper lever to
position the wiper blades vertically on
the windscreen.
Lift the wiper arm until it stays in the
raised position, press button to
disengage the wiper blade and
remove.
Attach the new wiper blade to the wiper arm and push until it engages.
Lower wiper arm carefully.
To return the wiper arms to their
original position, switch on the ignition and operate the wiper lever.
Rear windowLift wiper arm. Disengage wiper blade as shown in illustration and remove.
Attach the wiper blade slightly angled
to the wiper arm and push until it
engages.
Lower wiper arm carefully.Bulb replacement
Before replacing a bulb, ensure thatall exterior and interior lights and the
ignition are switched off.
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.
Replace headlight bulbs from within the engine compartment.
Bulb check After a bulb replacement switch on
the ignition, operate and check the
lights.
Halogen headlights Halogen headlights with separate
bulbs for low beam and high beam /
daytime running light.
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170Vehicle care
Low beam (1) outer bulb.
High beam / daytime running light ( 2)
inner bulb.
Low beam (1)
1. Remove the protective cover by pulling.
2.Withdraw the bulb socket from the
reflector housing.
3. Detach the bulb from the bulb socket and replace the bulb.
4. Insert the bulb socket into the reflector housing.
5. Fit the protective cover on.
High beam / daytime running light
(2)
1. Remove the protective cover by pulling.
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Vehicle care171
2. Rotate the bulb socketanticlockwise to disengage and
withdraw from the reflector.
3. Insert the new bulb socket into the
reflector housing.
4. Fit the protective cover on.
LED headlights Headlights for low and high beam,
daytime running lights and turn lights
are designed as LEDs and cannot be
changed.
Have lights repaired by a workshop in
case of failure.
Front fog lights
Have lights repaired by a workshop in case of failure.
Front turn lights
Turn light ( 1) outer bulb.
1. Remove the protective cover by
pulling.
2.Withdraw the bulb socket from the
reflector housing.
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172Vehicle care
3. Detach the bulb from the bulbsocket and replace the bulb.
4. Insert the bulb socket into the reflector housing.
5. Fit the protective cover on.
Tail lights LED tail lightsHave lights repaired by a workshop in
case of failure.
Light assembly in the body
1. Open the tailgate then remove the
access cover on the relevant side.
2. Slacken the lamp fixing nut using a box spanner or socket.
To avoid losing the nut if it drops
into the wing trim, first place a
cloth below it.
3. Manually unscrew and remove the lamp fixing nut.
4. Carefully withdraw tail lightassembly from the recess and
remove.
5. Detach the cable from the retainer.
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Vehicle care173
6. Press the five retaining lugs andremove the bulb carrier from the
light assembly.
7. Remove and replace the bulbs:
Tail light / brake light ( 1)
Turn light ( 2)
Reverse light ( 3)
8. Insert the bulb carrier into the light
assembly. Attach plug to the light
assembly. Fit the light assembly in the recess and tighten the lamp
fixing nut from the inside. Attach
the cover.
Rear fog light
1. Turn the bulb holder anticlockwise
and remove it from the reflector
housing.
2. Slightly press down the bulb, turn it anticlockwise and remove it
from the socket.
3. Replace and insert the new bulb into socket by turning clockwise.
4. Insert the bulb socket into the reflector and turn clockwise.
Centre high-mounted brake light Have lights repaired by a workshop in
case of failure.
Bulb check Switch on the ignition, operate and
check all lights.
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174Vehicle careNumber plate lightHave lights repaired by a workshop in
case of failure.
Interior lights
Have the following bulbs replaced by
a workshop:
● courtesy light, reading lights
● load compartment light
● instrument panel illuminationElectrical system
Fuses Data on the replacement fuse must
match the data on the defective fuse.
The three fuse boxes are located in: ● engine compartment
● instrument panel
Before replacing a fuse, turn off the
respective switch and the ignition.
A blown fuse can be recognised by its melted wire.Caution
Do not replace the fuse until the
cause of the fault has been
remedied.
Some functions are protected by
several fuses.
Fuses may also be inserted without
existence of a function.
Fuse extractor
A fuse extractor may be located in the
cover of the left side of the instrument panel. The extractor has two sides,
each side is designed for a different
type of fuses.
Grab the fuse with the fuse extractor
and withdraw the fuse.