Mercedes-Benz SL-Class 2009 Owners Manual - Manual (Page 282)

Vehicle status messages in the multifunction display
280
G Warning!
Do not spill antifreeze on hot engine parts. Antifreeze contains ethylene glycol which may burn if it comes into contact with hot engine parts.
You could be seriously burned.
! Do not ignore the low engine coolant level warning. Extended driving with the message and symbol displayed may cause serious engine
damage not covered by the Mercedes-Benz Limited Warranty.
Do not drive without sufficient amount of coolant in the cooling system. The engine will overheat causing major engine damage.
Display messages Possible cause/consequence Possible solution
Ì Coolant
Stop car, switch
engine off.
The coolant is too hot. X Stop the vehicle in a safe location or as soon
as possible.
X Turn off the engine immediately.
X Only start the engine again after the message
disappears. You could otherwise damage the
engine.
X Engage the parking brake.
X Observe the coolant temperature gauge in the
instrument cluster.
X If the temperature rises again: Contact an
authorized Mercedes-Benz Center immedi-
ately.
During severe operation conditions and stop-
and-go city traffic, the coolant temperature may
rise close to 248‡ (120†).
Practical hints