Engine and cooling
Display messages
Possible causes/consequences and
M
M
Solutions
5
Engine oil pres‐
Engine oil pres‐
sure too low
sure too low
Supplementary text
Û
:
Stop vehicle. Switch off engine.
Stop vehicle. Switch off engine.
The
5
indicator lamp lights up red in the status area of the on-
board computer as well as in the event window. The engine oil pres-
sure is too low.
The operating safety of the engine is jeopardized.
X
Stop the vehicle at once, paying attention to road traffic condi-
tions.
X
Switch off the engine.
X
Apply the parking brake.
X
Check the engine oil level (
Y
page 80) and top up oil
(
Y
page 163).
X
Consult a qualified specialist workshop.
,
Coolant level too
Coolant level too
low
low
Supplementary text
Û
:
Top up coolant.
Top up coolant.
The
*
indicator lamp lights up in the status area of the on-board
computer as well as in the event window. As long as the
*
indi-
cator lamp is lit, the coolant temperature cannot be displayed.
The coolant level has dropped to approximately 1 US qt 1 liter
below the minimum filling level. The operating safety of the engine
is jeopardized.
X
Stop the vehicle at once, paying attention to road traffic condi-
tions.
X
Switch off the engine.
X
Apply the parking brake.
X
Refill coolant (
Y
page 161).
X
Have the engine cooling system checked for leaks at a qualified
specialist workshop.
On-board computer event window
99
On-
boar
dc
omp
ut
er
and
dis
pla
ys
Z