Mercedes-Benz S-Class 2009 - Manual (Page 538)

Vehicle status messages in the multifunction display
536
Display messages Possible cause/consequence Possible solution
Coolant Low
Stop Vehicle
Turn 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 Engage the electronic parking brake.
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 gauge in the
instrument cluster.
X Restart the engine.
If this message disappears from the multifunction
display:
X Drive to the nearest authorized Mercedes-Benz
Center immediately.
If this message does not disappear from the
multifunction display:
X Call Roadside Assistance.
Practical hints