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212 Maintenance and care
212
M274 engine
Turn cap
1
counter-clockwise and remove it.
#
Add engine oil.
#
Replace cap
1
and turn it clockwise until it
#
engages.
Check the oil level again. Check using the on-
#
board computer (
page 209), check with the
/
oil dipstick (
page 210).
/
Chec
Checking t
king the coolant lev
he coolant level el
& W W ARNING
ARNING Risk of burns from hot compo-
nent parts in the engine compartment
Certain components in the engine compart-
ment can be very hot, e.g. the engine, the radi-
ator and parts of the exhaust system.
Allow the engine to cool down and only
#
touch component parts described in the
following.
If you have to carry out any work in the engine
compartment, touch only the following compo-
nents:
Hood
R
Engine oil ller opening cap
R
Washer uid reservoir cap
R
Coolant expansion reservoir cap
R
& W W ARNING
ARNING Danger of burns when opening
the hood
If you open the hood when the engine has
overheated or during a re in the engine com-
partment, you could come into contact with
hot gases or other escaping operating uids.
Before opening the hood, allow the
#
engine to cool down.
In the event of a re in the engine com-
#
partment, keep the hood closed and call
the re service.
& W W ARNING
ARNING Risk of scalding from hot cool-
ant
The engine cooling system is pressurized, par-
ticularly when the engine is warm. If you open
the cap, you could be scalded by hot coolant
spraying out.
Let the engine cool down before opening
#
the cap.
When opening the cap, wear protective
#
gloves and safety glasses.
Open the cap slowly to release pressure.
#
Allow the engine and the engine cooling system to
cool down before checking the coolant level or
re lling coolant.
* N N O O TE TE Paintwork damage due to coolant
If coolant gets on painted surfaces, the paint-
work can be damaged.
Add coolant carefully.
#
Remove spilled coolant.
#
Chec
Checking t
king the coolant lev
he coolant level el
Example: coolant expansion reservoir
Park the vehicle on an even surface.
#
Open the hood (
page 207).
/
#
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