Mercedes-Benz E CLASS 2020 Operator's Manual page 365

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.
Requirements
The engine must have an oil dipstick. If not, the
engine oil level can be checked only with the on-
board computer .
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 pull it out again after
approximately three seconds.
Oil level is correct: oil level is between
R
and 3.
Oil level too low: oil level is at
R
below.
Oil level too high: oil level is above 2.
R
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 immediately at a qualified
specialist workshop.
Checking the engine oil level using the on-
board computer
Requirements:
The engine has been warmed up.
R
The vehicle is parked on a level surface.
R
The engine is running at idle speed.
R
The engine oil level is determined during driving.
Determining the engine oil level can take up to
30 minutes with a normal driving style and even
longer with an active driving style.
On-board computer:
Service Engine Oil Level
4 5
You will see one of the following messages on
2
the multifunction display:
Measuring Engine Oil
3 or R
of the oil level is not yet possible.
Maintenance and care 363
Level...: measurement