Mercedes-Benz R-Class 2009 Owners Manual - Manual (Page 331)

Vehicle status messages in the multifunction display
329
Display messages Possible cause/consequence Possible solution
Ì 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.
Practical hints
Z