Mercedes-Benz 2009 R-Class, Operator'S Manual

Page: 332 / 412

Vehicle status messages in the multifunction display
330
Display messages Possible cause/consequence Possible solution
Ì The cooling fan for the coolant 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.
Practical hints