Mercedes-Benz S 450 2020, Operator'S Manual

Page: 413 / 602

Engine oil
Checking the engine oil level using the oil
dipstick
& WARNING Risk of burns from hot com‐
ponent parts in the engine compartment
Certain components in the engine compart‐
ment can be very hot, e.g. the engine, the
radiator and parts of the exhaust system.
#
Allow the engine to cool down and only
touch component parts described in
the following.
Plug-in hybrid: observe the notes in the Supple‐
ment. Otherwise, you may not recognize dan‐
gers.
Requirements:
R
The engine must have an oil dipstick. If not,
the engine oil level can be checked only with
the on-board computer (
/
page 411).
Depending on the engine, the oil dipstick may be
installed in the engine compartment in different
locations.
The waiting time before checking the oil level
when the engine is at normal operating tempera‐
ture is five minutes.
#
Park the vehicle on a level surface.
#
Pull oil dipstick 1 out and wipe off.
#
Slowly slide oil dipstick 1 into the guide
tube to the stop, and take it out again after
approximately three seconds.
R
Oil level is correct: oil level is between 2
and 3 .
R
Oil level too low: oil level is at 3 or
below.
R
Oil level too high: oil level is above 2 .
#
If the oil level is too low, add 1.1 US qt
(1 liter) of engine oil.
#
If the oil level is too high, have the excess
engine oil removed as soon as possible at a
qualified specialist workshop.
Checking the engine oil level using the on-
board computer
Requirements:
R
The engine has warmed up.
R
The vehicle is parked on a level surface.
R
The engine is running at idle speed.
The engine oil level is determined during driving.
Determining the engine oil level can take up to
Maintenance and care 411