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Practical hints
What to do if ...
Left display
Right display
B
Top Up
Coolant
See Oper. Manual
•
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.
340
Possible cause/
consequence
The coolant level is too low.
The cooling fan for the coolant
is malfunctioning.
!
Do not ignore the low engine coolant level
G
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.
Possible solution
Add coolant ( page 255).
Comply with all warnings while doing so.
If you have to add coolant frequently, have the cooling
system checked by an authorized Mercedes-Benz Center
immediately.
Observe the coolant temperature gauge in the instru-
ment cluster ( page 29).
If the coolant temperature is below 248°F (120°C), you
may continue driving to the nearest specialist workshop.
Avoid placing 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.
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