Operation Manual

Display messages
Possible causes/consequences and X Solutions
?
Coolant
Stop car,
switch
engine
off.
The poly-V-belt could be broken.
X
Stop the vehicle immediately as soon as it is safe to do so.
X
Turn off the engine immediately.
X
Check the poly-V-belt.
X
If it is broken: Do not continue to drive. Otherwise the
engine will overheat due to an inoperative water pump
which may result in damage to the engine. Contact an
authorized Mercedes-Benz Center.
X
If it is intact:
Do not continue to drive the vehicle with this
message displayed. Doing so could result in serious engine
damage that is not covered by the Mercedes-Benz Limited
Warranty.
X
Observe the coolant temperature in the multifunction
display.
X
Drive to the nearest authorized Mercedes-Benz Center
immediately.
?
The radiator cooling fan is malfunctioning.
X
Observe the coolant temperature in the multifunction
display.
If
the coolant temperature is below 248‡ (120†), you may
continue driving to an authorized Mercedes-Benz Center.
X
Avoid placing heavy loads on the engine (e.g. by driving
uphill) as well as stop-and-go traffic.
X
Have the fan replaced as soon as possible.
#
The battery is no longer charging.
Possible causes:
R
alternator malfunctioning
R
broken poly-V-belt
R
a malfunction in the electronic system
X
Stop immediately in a safe location or as soon as it is safe
to do so and check the poly-V-belt.
X
If it is broken: Do not continue to drive. Otherwise the
engine will overheat due to an inoperative water pump
which may result in damage to the engine. Contact an
authorized Mercedes-Benz Center.
X
If it is intact: Drive to the nearest authorized Mercedes-
Benz Center immediately. Adjust driving to be consistent
with reduced braking responsiveness.
292
Vehicle status messages in the multifunction display
Practical hints
251_AKB; 4; 52, en-US
d2ureepe, Version: 2.11.8.1
2009-03-23T09:22:52+01:00 - Seite 292