Mercedes-Benz 2003 M-Class Operator's Manual page 205

Oil dipstick
1 Oil dipstick
2 Oil filler cap
Remove the oil dipstick 1.
Wipe the oil dipstick clean.
Fully insert dipstick in tube, and re-
move after three seconds.
The engine oil level must be between the
lower (min) and upper (max) mark of the
dipstick.
Add engine oil if necessary.
i
Fill quantity between upper and lower
dipstick marking, the level is approxi-
mately 2.1 US qt (2.0 l).
Engine compartment
Adding engine oil
Unscrew the oil filler cap 2 from the fill-
er neck. Be careful not to overfill with
oil.
Be careful not to spill any oil when adding.
Avoid environmental damage caused by oil
entering the ground or water.
!
Excessive oil must be siphoned or
drained off. It could cause damage to
the engine and catalytic converter not
covered by the Mercedes-Benz Limited
Warranty.
Screw the oil filler cap back on the filler
neck.
More information on engine oil can be
found in the "Technical data" section
( page 286).
Operation
205