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178 Maintenance and care
& WARNING Risk of fire and injury from
engine oil
If engine oil comes into contact with hot com‐
ponent parts in the engine compartment, it
may ignite.
Make sure that no engine oil is spilled
#
next to the filler opening.
Allow the engine to cool off and thor‐
#
oughly clean the engine oil from compo‐
nent parts before starting the vehicle.
* NOTE Engine damage due to incorrect oil
filter, incorrect oil or additive
Do not use engine oil or an oil filter with
#
specifications deviating from those
required for the prescribed service
intervals.
Mercedes-Benz recommends using original or
tested replacement and service parts.
Do not change the engine oil or oil filter
#
in order to set change intervals longer
than those prescribed.
Do not use any additive.
#
Follow the instructions on the service
#
interval display for changing the engine
oil.
* NOTE Damage caused by topping up too
much engine oil
Adding too much engine oil can cause dam‐
age to the engine or the catalytic converter.
Have excess engine oil removed at a
#
qualified specialist workshop.
OM651
OM642
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 177), check with the
→
oil dipstick (
page 176).
→
Checking the coolant level
& WARNING Risk of burns from hot com‐
ponent parts in the engine compartment
Certain component parts in the engine com‐
partment can be very hot, e.g. the engine, the
cooler and parts of the exhaust system.
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