Mercedes-Benz 2009 SL-Class Operator's Manual page 282

Practical hints
Vehicle status messages in the multifunction display
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
Ì Coolant
Stop car, switch
engine off.
280
Possible cause/consequence
The coolant is too hot.
Possible solution
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†).