Mercedes-Benz E-Class 2010 Owner's Manual page 225

Display messages
222
Engine
Display messages
+
?
Possible causes/consequences and M Solutions
Top up The coolant level is too low.
coolant
Top up the coolant, observing the warning notes before
X
See Own‐
doing so (
er's Man‐
If the coolant needs topping up more often than usual, have
X
ual
the engine coolant system checked at a qualified specialist
workshop.
The coolant is too hot.
Coolant
Stop vehi‐
A warning tone also sounds.
cle
Pull over and stop the vehicle safely and switch off the
X
Switch
engine, paying attention to road and traffic conditions.
engine off
Make sure that the air supply to the radiator is not blocked,
X
e.g. by snow, slush or ice.
Wait until the display message disappears before restarting
X
the engine. Otherwise, there is a risk of engine damage.
Pay attention to the coolant temperature display.
X
If the temperature increases again, visit a qualified special-
X
ist workshop immediately.
The poly-V-belt may have torn.
Pull over and stop the vehicle safely and switch off the
X
engine, paying attention to road and traffic conditions.
Open the bonnet.
X
Check whether the poly-V-belt is torn.
X
If the poly-V-belt is torn:
!
do not continue driving. The engine could otherwise over-
heat.
Consult a qualified specialist workshop.
X
If the poly-V-belt is OK:
Wait until the display message disappears before restarting
X
the engine. Otherwise, there is a risk of engine damage.
Pay attention to the coolant temperature display.
X
Visit a qualified specialist workshop.
X
page 261).
Y