Mercedes-Benz V-Class Operating Instructions Manual page 340

Engine compartment
338
Overview of the engine compartment
Engine oil filler neck cap (
:
Brake fluid reservoir cap (
;
Coolant expansion tank cap (
=
Washer fluid reservoir cap (
?
Regularly check the fluid level and the assembly
for leaks. If you detect fluid loss, e.g. oil flecks on
the vehicle parking space, consult a qualified
specialist workshop immediately.
Engine oil
General notes
Engine oil gets dirty in the course of opera-
!
tion and its quality and volume are gradually
diminished. Regularly check the oil level, and
top up or have it replaced as needed.
Observe the information on approved engine
oils and oil consumption under "Service Prod-
ucts and Capacities" (
You can check the oil level in the engine:
on the display of the on-board computer
R
with the oil dipstick
R
Checking the engine oil level electroni-
cally
If at extremely low temperatures no engine oil
level is displayed after five minutes, repeat the
engine oil level check after another five minutes.
If an oil level reading is still not displayed, check
the engine oil level with the dipstick
Y
( page 339). Have the engine oil level checked
at a qualified specialist workshop.
Y
page 338)
Y
page 342)
Y
page 340)
Y
page 342)
Y
page 390).
To check the level, the ignition must be turned
on and the engine must be shut off once it rea-
ches operating temperature. The vehicle must
be parked on a level surface. Use the steering
wheel buttons.
X
Park the vehicle on a level surface.
X
Switch off the engine.
X
Wait for five minutes.
Wait 5 minutes.
X
Turn the key to position 2 in the ignition lock.
X
Press ò to call up the list of menus.
X
Use the 9 or : button to select the
Service
menu.
X
Press the a button.
X
Use the 9 or : button to select
Engine oil level.
X
Press the a button.
Engine oil level Measuring now
The
Measurement accurate only if vehi‐
cle is level
display message appears in
the display while the engine oil level meas-
urement is in progress.
The display may show the following messages
after the engine oil level measurement.
Display message
Engine oil level
X
Action: do not top up oil.
Display message
Add X.X l engine oil when next refu‐
elling–
X
Top up with the amount of oil
Y
( page 340).
X
Action: check the engine oil level again
after a few minutes.
Display message
Engine oil level Reduce oil
The oil level is too high.
X
Action: have excess oil siphoned off.
Display message
For engine oil level turn on igni‐
tion–
X
Action: turn the key to position 2 in the
ignition lock.
OK–
X.X l
shown
level–