Mercedes-Benz SL-Class 2008 Owners Manual - Manual (Page 279)

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Operation
Driving instructions
Coolant temperature
During severe operating conditions, e.g.
stop-and-go city traffic, the coolant
temperature may rise close to approxi-
mately 248°F (120°C).
The engine should not be operated
with the coolant temperature over
248°F (120°C). Doing so may cause
serious engine damage which is not
covered by the Mercedes-Benz Limited
Warranty.
Warning!
G
Inhalation of exhaust gas is hazardous to
your health. All exhaust gas contains carbon
monoxide (CO), and inhaling it can cause un-
consciousness and possible death.
Do not run the engine in confined areas
(such as a garage) which are not properly
ventilated. If you think that exhaust gas
fumes are entering the vehicle while driving,
have the cause determined and corrected
immediately. If you must drive under these
conditions, drive only with at least one win-
dow fully open at all times.
Warning!
G
ț Driving when your engine is overheated
can cause some fluids, which may have
leaked into the engine compartment, to
catch fire. You could be seriously
burned.
ț Steam from an overheated engine can
cause serious burns and can occur just
by opening the engine hood. Stay away
from the engine if you see or hear steam
coming from it. Turn off the engine, get
out of the vehicle and do not stand near
the vehicle until the engine has cooled
down.