Mercedes-Benz SL-Class - Manual (Page 330)

328
Practical hints
What to do if …
Problem Possible cause Suggested solution
ú
(USA only)
±
(Canada only)
The yellow engine malfunction
indicator lamp comes on while
driving.
Your fuel tank is empty. ̈ After refuelling, start, turn off, and re-
start the engine three or four times in
succession.
The limp-home mode is canceled. You
do not need to have your vehicle
checked.
D The red coolant warning lamp
comes on when the engine is
running. There is insufficient coolant in the reservoir.
If this warning lamp comes on frequently,
there is a leak in the cooling system.
If the coolant level is correct, the electric ra-
diator fan may be broken.
̈ Immediately add coolant to prevent
engine from overheating
(
୴ page 276).
̈ Have the cooling system checked.
̈ If the coolant temperature is below
248°F (120°C), you can continue
driving to the nearest authorized
Mercedes-Benz Center.
̈ Avoid high engine loads (e.g. driving
uphill) and stop-and-go driving.
D The red coolant warning lamp
comes on while driving and you
hear a warning sound. The coolant temperature has exceeded
248 °F (120°C). ̈ Stop as soon as possible and allow
the engine and coolant to cool down.