Mercedes-Benz C-Class 2009 Owners Manual - Manual (Page 329)

Vehicle status messages in the multifunction display
327
Display messages Possible cause/consequence Possible solution
Ì The cooling fan for the coolant is
malfunctioning. X Observe the coolant temperature gauge in the
instrument cluster.
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.
Í 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.
P Check
Engine Oil
At Next Refueling
The engine oil level has dropped to
approximately the minimum level. X Check the engine oil level ( Y page 256) and add
engine oil as required ( Y page 257).
X If you must add engine oil frequently, have the
engine checked for possible leaks.
Practical hints
Z