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Practical hints
What to do if …
Display symbol Display message Possible cause/consequence Possible solution
• The cooling fan for the coolant is
malfunctioning.
̈ Observe the coolant temperature display
(
୴ page 127).
If the coolant temperature is below 120°C,
you may continue driving to the nearest
specialist workshop.
̈ Avoid heavy loads on the engine (e.g. by
driving uphill) as well as stop-and-go traffic.
̈ Have the fan replaced as soon as possible.
/
Top up coolant
See Oper. Manual
The coolant level is too low. ̈ Add coolant (୴ page 300).
Comply with all warnings while doing so.
̈ If you have to add coolant frequently,
have the cooling system checked by an au-
thorized Mercedes-Benz Center.
Warning! G
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 this 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.