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Vehicle care231Engine coolant
The coolant provides freeze
protection down to approx. -28 °C. In
cold regions with very low
temperatures, the factory filled
coolant provides frost protection
down to approx. -37 °C.Caution
Only use approved antifreeze.
Coolant and antifreeze 3 276.
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
filling line mark. Top up if the level is
low.
Depending on version, the filling line
mark is inside the filler opening. To check, open the cap.
Additional cooling circuit for Turbo
engine
Coolant container is fixed to the air
cleaner housing.
If the cooling system is cold, the
coolant level should be above the
filling line mark. Top up if the level is
low.
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232Vehicle careGeneral9Warning
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
approved 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.
Power steering fluid
Caution
Extremely small amounts of
contamination can cause steering
system damage and cause it to not
work properly. Do not allow
contaminates to contact the fluid
side of the reservoir cap/dipstick or
from entering the reservoir.
Power steering fluid level normally
does not have to be checked. If an
unusual noise sounds during steering or the power steering reacts
conspicuous seek the assistance of a
workshop.
Washer fluid
Fill with clean water mixed with a
suitable quantity of approved
windscreen washer fluid which
contains antifreeze.
Page 235 of 327

Vehicle care233Caution
Only washer fluid with a sufficient
antifreeze concentration provides
protection at low temperatures or
after a sudden drop in
temperature.
Use of washer fluid containing
isopropanol can damage exterior
lamps.
Washer fluid 3 276.
Brakes In the event of minimum thickness ofthe 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 MIN and the MAX marks.
If fluid level is below MIN seek the
assistance of a workshop.
Brake and clutch fluid 3 276.
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 vehicle 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 3 140.
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Vehicle care235Charging the vehicle battery9Warning
On vehicles with stop-start
system, ensure that the charging potential does not exceed
14.6 volts when using a battery
charger. Otherwise the battery
might be damaged.
Jump starting 3 267.
Warning label
Meaning of symbols: ● No sparks, naked flames or smoking.
● Always shield eyes. Explosive gases can cause blindness or
injury.
● Keep the vehicle battery out of reach of children.
● The vehicle battery contains sulphuric acid which could cause
blindness or serious burn
injuries.
● See the Owner's Manual for further information.
● Explosive gas may be present in the vicinity of the vehicle battery.
Diesel fuel system bleeding If the tank has been run dry, the diesel
fuel system must be bled. Switch on
the ignition three times for
15 seconds at a time. Then crank the
engine for a maximum of 40 seconds. Repeat this process after
no less than 5 seconds. If the engine fails to start, seek the assistance of a
workshop.Wiper blade replacement
Wiper blades on the windscreen
Lift the wiper arm and open the
retaining clip.
Page 238 of 327
236Vehicle care
Disengage the wiper blade and
remove.
Attach the wiper blade slightly angled
to the wiper arm and push until it
engages.
Lower wiper arm carefully.
Wiper blade on the rear window
Lift the wiper arm. Press the two
catches on the arm, disengage the
wiper blade and remove.
Attach the wiper blade slightly angled
to the wiper arm and push until it
engages.
Lower 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.
Page 248 of 327

246Vehicle care4. Pull bulb from bulb holder andreplace it.
5. Insert bulb holder into lamp housing and turn clockwise.
6. Insert lamp into bumper and let engage.
Interior lights Courtesy light, reading lights
Have bulbs replaced by a workshop.
Load compartment light
1. Prise the lamp out with a screwdriver.
2.Press bulb slightly towards spring
clip and remove.
3. Insert new bulb.
4. Install lamp.
Instrument panel illumination
Have bulbs replaced by a workshop.
Electrical system
Fuses Data on the replacement fuse must
match the data on the defective fuse.
There may be up to three fuse boxes
in the vehicle:
● in the front left of the engine compartment
● on the left side of the instrument panel
● behind a cover on the left side of the load compartment
Depending on the vehicle equipment
the configuration of fuses in the fuse
boxes are different, indicated by type
A and type B in the tables.
Type A means all 5-door hatchback
and 4-door saloon variants, and also
Sports Tourer or Country Tourer with
power tailgate or trailer hitch or rear
power outlets.
Type B means Sports Tourer or
Country Tourer without power
tailgate, without trailer hitch and
without rear power outlets.
Page 249 of 327
Vehicle care247Before replacing a fuse, turn off the
respective switch and the ignition.
There are different kinds of fuses in
the vehicle.
Depending on the type of fuse, a
blown fuse can be recognized by its
melted wire. 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 extractorA fuse extractor may be located in the
fuse box in the engine compartment.
Place the fuse extractor on the
various types of fuse from the top or
side, and withdraw fuse.
Page 250 of 327
248Vehicle careEngine compartment fuse
box
The fuse box is in the front left of the
engine compartment.
Disengage the cover, lift it upwards
and remove.
No.Circuit1Transmission control module2Engine control module3–4–5Ignition/Transmission control
module/Engine control module6Windscreen wiper7–8Fuel injection/Ignition system9Fuel injection/Ignition system10Engine control module11Lambda probe12Starter13Sensor throttle heating14Lighting15Rear window wiper