Checking and topping up fluids235
Controls
Safety
Driving tips
General maintenance
Self-help
Technical data
–Unscrew cap
from oil filler opening ⇒page 234,
fig. 226.
– Carefully put in the specified grade of oil ⇒page 295
0.5 litres at a time.
– After two minutes check the oil level once again ⇒page 234 .
– If the oil level is too low, add more engine oil.
– Replace the oil filler cap carefully and push the dipstick all the way in.
WARNING
•
Ensure that no oil comes into contact with hot engine compo-
nents when topping up: th is could cause a fire.
•
Wash your skin thoroughly if it comes into contact with engine
oil.Caution
•
The oil level must never be above area , as this may result in
damage to the catalytic converter or to the engine. Contact a quali-
fied workshop to extract the engine oil if necessary.
•
No additives should be used with engine oil. Any damage caused
by the use of such additives woul d not be covered by the factory
warranty.For the sake of the environment
•
Never pour oil down drains or into the ground.
•
Always observe statutory requ irements when disposing of
empty oil canisters.
Cooling systemCoolant
The purpose of the coolant is to carry heat away from the
engine. The correct amount of anti-freeze is important to
prevent the cooling system from freezing in winter.The cooling system is filled for life at the factory, so the coolant does
not need to be changed. The coolant consists of a mixture of water
and anti-freeze additive G12+. This is a glycol-based anti-freeze with
anti-corrosion additives.
Anti-freeze additive
The amount of anti-freeze additive required depends on the temper-
atures to be expected in the winter season. If the anti-freeze concen-
tration is too low the coolant can freeze, resulting in failure of the
cooling system and heater.
The cooling system is filled at the factory with the correct amount of
anti-freeze for the country concerned.
In most cases the mixture consists of 60% water and 40% additive.
This mixture gives the necessary antifreeze protection down to –
25 °C and protects the alloy part s of the cooling system against
corrosion. It also prevents scaling an d raises the boiling point of the
coolant.
Countries with warm climate
The coolant concentration must not be reduced by adding plain
water, even in the summer or in warm climates. The concentration
of the anti-freeze additive must always be at least 40%.
Countries with cold climate
If greater anti-freeze protection is required in very cold climates, the
proportion of the anti-freeze additive G12+ can be increased. A
concentration of 60% offers protection down to about -40 °C. The
concentration of the antifreeze additive must not be more than 60%,
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