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- Fig. 280 Engine compartment - coolant expansion tank (example): -1- Cap with release catch, -2- Marks
Please refer to the safety notes link►.
Checking the coolant level
Park the vehicle on a level surface.
Switch off the ignition.
Topping up the coolant
Important: The coolant expansion tank must not be empty ►.
Wait for the engine to cool down.
Cover the cap on the expansion tank with a large, thick cloth.
Press the release catch on the cap -1-
Fig. 280► and carefully screw it anti-clockwise as far as the first point of resistance ►.
Press down the release catch again and unscrew the cap completely.
Add coolant in the correct concentration link► up to the MAX mark.
You should make sure that the fluid level remains stable. If necessary, add more coolant.
Screw the cap on clockwise until you feel the second point of resistance.
Any loss of coolant normally indicates a leak in the cooling system. Drive to a qualified workshop without delay and have the cooling system checked. If there are no leaks in the system, a loss of coolant can only occur if the coolant boils and is forced out of the system as a result of overheating.
- The engine compartment of any motor vehicle is a dangerous place. Before carrying out any work in the engine compartment, switch off the engine and allow it to cool down. Please observe the important safety warnings link►.
- Never open the bonnet if you can see or hear steam or coolant escaping from the engine compartment; there is a risk of being scalded. The cooling system is under pressure. Wait until you can no longer see or hear escaping steam or coolant.
- When working in the engine compartment be aware that the radiator fan may start running suddenly, even if the ignition is switched off – risk of injury!
- The coolant and coolant additive can be a health hazard. Store the coolant additive in the original container in a safe place out of reach of children – risk of poisoning.