Check and refill
Fig. 323 Dipstick variants
Read and observe and on page 279 first.
Check the oil under the following conditions and refill.
The vehicle is on a horizontal surface.
The engine operating temperature is reached.
The engine is turned off.
Checking the level
›
Wait a few minutes until the engine oil flows back into the oil trough.
›
Remove the dipstick and wipe with a clean cloth.
›
Push the dipstick to the stop and pull out again.
›
Read the oil level and push in the dipstick.
The oil level must be in range
A
» Fig. 323. If the oil level is below the range
A
, refill the oil.
Refilling
›
Unscrew the cap of the engine oil filler opening
C
» Fig. 321 on page 278.
›
Add oil of the correct specification in increments of 0.5 litres » page 279.
›
Check the oil level.
›
Screw the lid of the engine oil filler closed carefully.
CAUTION
■
The oil level must never fall outside range
A
» Fig. 323 - otherwise there is a
risk of damaging the engine and the exhaust system.
■
If it is not possible to top up the engine oil or if the oil level is above range
A
,
stop driving! Switch off the engine and seek assistance from a specialist ga-
rage.
Note
An engine oil level which is too low is indicated in the instrument cluster by the
warning light and a corresponding message » page 48. Nevertheless, we
recommend that you check the oil level regularly using the dipstick.
Coolant
Introduction
The coolant cools the engine and consists of water and coolant additive (with
additives that protect the cooling system against corrosion and prevents fur-
ring).
The coolant additive level in the coolant must between 40 and 60 %.
The correct mixing ratio of water and coolant additive should be checked if
necessary by a specialist garage or corrected if necessary.
WARNING
■
The following instructions must be followed at all times when working on
the engine compartment » page 276.
■
Never open the end cover of the coolant expansion reservoir while the
engine is still warm. The cooling system is pressurized - risk of scalding or
injury from being splashed with coolant!
■
To protect against coolant splashes, cover the cap with a cloth when
opening.
■
Coolant and coolant fumes are harmful - avoid contact with the coolant.
If your eyes or skin come into contact with the coolant, immediately wash
the affected area for a few minutes long with a lot of water and seek medi-
cal advice if required.
CAUTION
Do not cover the radiator or fit any parts (e.g. auxiliary lights) in front of the air
intakes - there is a risk of the engine overheating.
280
General Maintenance
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