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214Vehicle careCaution
It is the owner's responsibility to
maintain the proper level of an
appropriate quality oil in the
engine.
Different dipsticks are used
depending on engine variant.
Pull out the dipstick, wipe it clean,
reinsert it fully, pull out and read the
engine oil level.
When the engine oil level has
dropped to the MIN mark, top up the
engine oil.
We recommend the use of the same
grade of engine oil that was used at
last change.
The engine oil level must not exceed the MAX mark on the dipstick.Caution
Overfilled engine oil must be
drained or suctioned out. If the oil exceeds the maximum level, do
not start the vehicle and contact a
workshop.
Capacities 3 270.
Fit the cap on straight and tighten it.
Engine coolant The factory filled coolant provides
freeze protection down to approx.
-37 °C.
Page 217 of 289
Vehicle care215Caution
Only use approved antifreeze.
Coolant and antifreeze 3 262.
Coolant level
Caution
Too low a coolant level can cause engine damage.
If the cooling system is cold, the
coolant level should be above the
MIN mark. Top up if the level is low.
9
Warning
Allow the engine to cool before
opening the cap. Carefully open
the cap, relieving the pressure
slowly.
To top up, use a 1:1 mixture of
released coolant concentrate mixed
with clean tap water. If no coolant
concentrate is available, use clean
tap water. Install the cap tightly. Have
the coolant concentration checked
and have the cause of the coolant
loss remedied by a workshop.
Washer fluid
Fill with clean water mixed with a
suitable quantity of approved
windscreen washer fluid which
contains antifreeze.
Caution
Only washer fluid with a sufficient
antifreeze concentration provides
protection at low temperatures or
a sudden drop in temperature.
Washer fluid 3 262.
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216Vehicle careBrakesIn the event of minimum thickness of
the brake lining, a squealing noise
sounds during braking.
Continued driving is possible but
have the brake lining replaced as
soon as possible.
Once new brake linings are installed,
do not brake unnecessarily hard for
the first few journeys.
Brake fluid9 Warning
Brake fluid is poisonous and
corrosive. Avoid contact with eyes, skin, fabrics and painted surfaces.
The brake fluid level must be betweenthe DANGER and MAX marks.
If fluid level is below DANGER, seek
the assistance of a workshop.
Brake and clutch fluid 3 262.
Vehicle battery
The vehicle battery is maintenance-
free provided that the driving profile
allows sufficient charging of the
battery. Short-distance-driving and
frequent engine starts can discharge
the battery. Avoid the use of
unnecessary electrical consumers.
Batteries do not belong in household
waste. They must be disposed of at
an appropriate recycling collection
point.
Laying up the vehicle for more than
four weeks can lead to battery
discharge. Disconnect the clamp from the negative terminal of the vehicle
battery.
Ensure the ignition is switched off
before connecting or disconnecting
the vehicle battery.
Battery discharge protection 3 137.
Replacing the vehicle battery Notice
Any deviation from the instructions
given in this section may lead to
temporary deactivation or
disturbance of the stop-start system.
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218Vehicle care● See the Owner's Manual forfurther information.
● Explosive gas may be present in the vicinity of the vehicle battery.
Heating functionalities Notice
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.
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.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
Diesel fuel system bleeding If the tank has been run dry, the diesel fuel system must be bled. The
bleeding procedure differs between
the engine types 3 268. Fuel up with
at least five litres of diesel before
starting the bleeding procedure.
Engines DV5RUCd, DV5RUC 1. Switch on the ignition.
2. Wait 1 minute and switch off the
ignition.
3. Try to start the engine.
If the engine does not start after a
short time, repeat the procedure.Engines DW10FEU, DW10FD,
DW10FDCU, DW10F
1. Switch on the ignition.
2. Wait 6 seconds and switch off the ignition.
3. Repeat steps 1 and 2 for ten times.
4. Try to start the engine.
If the engine does not start after a
short time, repeat the procedure.
Engine DV6DU1. Open the engine bonnet.
2. If necessary, unclip the engine
style cover to access the priming
pump.
3. Operate the priming pump
repeatedly until resistance is felt
(there may be resistance at the first
press).
4. Try to start the engine. If the engine
does not start after a short time, wait
around 15 seconds before trying
again. If the engine does not start
after a few attempts, repeat step 3
and try again to start the engine.
5. Put the engine style cover in place
and clip it in.
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Vehicle care2196. Close the bonnet.
Wiper blade replacement Windscreen
Switch off the ignition.
Within 1 minute after switching off the ignition, operate the wiper lever to
positon the wiper blades vertically on
the windscreen.
Lift the wiper arm until it stays in the
raised position, disengage and
remove the wiper blade.
Attach the wiper blade to the wiper
arm and push until it engages.
Lower the wiper arm carefully.
Rear window
Lift the wiper arm. Disengage the
wiper blade as shown in the
illustration and remove.
Attach the wiper blade slightly angled
to the wiper arm and push until it
engages.
Lower the wiper arm carefully.
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.
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 Front turn lights 3 224.
Illustrations show the right headlight
unit.
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230Vehicle care2. Pull the bulb from the bulb holderand replace it.
3. Attach the cover.
Interior lights
Have the following lights 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.
There are two fuse boxes in the
vehicle:
● 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
behind the passenger compartment fuse box cover:
Unclip the cover by pulling at the top
left, then right. Disengage the cover
completely and turn it over.
The extractor has two sides, each side is designed for a different type of
fuses.
Page 233 of 289
Vehicle care231
Grab the fuse with the fuse extractor
and withdraw the fuse.
Engine compartment fuse
box
The fuse box is in the front left of the
engine compartment.
Disengage the cover and remove it.
No.Circuit12Heated washer jets14Front and rear screenwash
pump15Front radar system, electric
power steering17Built-in systems interfaceNo.Circuit19Front wiper motor20Front and rear screenwash
pump21Headlight wash pump22Horn23Right high beam24Left high beam
After having changed defective fuses,
close the fuse box cover and lock it.
If the fuse box cover is not closed
correctly, malfunction may occur.
Instrument panel fuse boxThe fuse box is located behind a
cover in the instrument panel at the
left side.
Page 239 of 289

Vehicle care237Directional tyresDirectional tyres should be mounted
so that they rotate in the correct
direction. The proper rotation
direction is indicated by a symbol (e.g. an arrow) on the sidewall.
Tyre pressure
Check the pressure of cold tyres at
least every 14 days and before any
long journey. Do not forget the spare
wheel. This also applies to vehicles
with tyre pressure monitoring system.
Tyre pressure 3 271.
The tyre pressure data refers to cold
tyres. It applies to summer and winter tyres.
Always inflate the spare tyre to the
pressure specified for full load.
Incorrect tyre pressures will impair
safety, vehicle handling, comfort and
fuel economy and will increase tyre
wear.Tyre pressures differ depending on
various options. For the correct tyre
pressure value, follow the procedure
below:
1. Identify the engine identifier code.
Engine data 3 268.
2. Identify the respective tyre.
The tyre pressure tables show all
possible tyre combinations 3 271.
For the tyres approved for your
vehicle, refer to the EEC Certificate of Conformity provided with your vehicle
or other national registration
documents.
The driver is responsible for correct
adjustment of tyre pressure.9 Warning
If the pressure is too low, this can
result in considerable tyre warm-
up and internal damage, leading to tread separation and even to tyre
blow-out at high speeds.
9 Warning
For specific tyres the
recommended tyre pressure as
shown in the tyre pressure table may exceed the maximum tyre
pressure as indicated on the tyre.
Never exceed the maximum tyre
pressure as indicated on the tyre.
Temperature dependency
The tyre pressure depends on the
temperature of the tyre. During
driving, tyre temperature and
pressure increase. Tyre pressure
values provided on the tyre
information label and tyre pressure
chart are valid for cold tyres, which means at 20 °C.
The pressure increases by nearly
1.5 psi for a 10 °C temperature
increase. This must be considered
when warm tyres are checked.