Coolant temperature too high
NOTICE
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There must be a small quantity of coolant in the
tank.
or
Do not add coolant when the tank is empty.
·
·
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Stop driving! Seek the help of a specialist garage.
Report regarding the engine overheating
Refilling
— Stop driving.
— Stop the engine and allow it to cool.
— Drive on after the indicator light goes out.
CAUTION
Risk of scalding!
The cooling system is pressurised.
Engine fault
Do not open the cap of the coolant expansion
tank while the engine is warm. Let the engine
cool down.
·
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or
— Place a wipe on the lid of the tank and carefully
unscrew the lid.
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— Stop driving!
— Refill with coolant of the correct specification.
— Screw on the cap until it clicks into place.
— Stop the engine and seek the help of a specialist
garage.
Specification
To refill the coolant additive use G12evo (TL 774 L).
There is no coolant of the correct specification
available
NOTICE
— Top up with distilled or demineralised water.
— Have the correct coolant mixing ratio corrected
by a specialist garage as soon as possible.
Risk of damage to the cooling system and the en-
gine!
Adding coolant that does not conform to the correct
specification can reduce the corrosion protection of
the cooling system.
Another substance was used for topping up, other
than distilled or demineralised water:
— Have the coolant changed by a specialist garage.
It is not possible to top up with a sufficient amount
of coolant
Troubleshooting
— Stop driving.
Coolant level is too low
— Stop the engine and seek the help of a specialist
garage.
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There is a loss of coolant
or
— Top up the coolant and seek the help of a special-
ist garage.
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Message concerning the required coolant
check
— Check the coolant level.
If the coolant level is OK:
Engine electronics
Troubleshooting
— Check the fuse for radiator fan, replace if re-
quired » page 109, Replacing a fuse.
Fault in the engine control system
If the fuse is OK but the indicator light lights up
again:
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Driving in emergency mode is possible - a
noticeable reduction in engine perform-
ance may occur.
— Stop driving! Seek the help of a specialist garage.
Engine electronics
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English 