Mercedes-Benz GLC : Engine compartment / Checking the coolant level

WARNING Risk of burns from hot component parts in the engine compartment

Certain component parts in the engine compartment can be very hot, e.g. the engine, the cooler and parts of the exhaust system.

Mercedes-Benz GLC. Checking the coolant level Allow the engine to cool down and only touch component parts described in the following.

WARNING Risk of scalding from hot coolant

If you open the cap, you could be scalded.

Mercedes-Benz GLC. Checking the coolant level Let the motor cool down before opening the cap.

Mercedes-Benz GLC. Checking the coolant level When opening the cap, wear protective gloves and safety glasses.

Mercedes-Benz GLC. Checking the coolant level Open the cap slowly to release pressure.

Mercedes-Benz GLC. Checking the coolant level

Mercedes-Benz GLC. Checking the coolant level Park the vehicle on a level surface.

Mercedes-Benz GLC. Checking the coolant level Check the coolant temperature display in the instrument cluster.

The coolant temperature must be in the bottom quarter of the temperature display.

Mercedes-Benz GLC. Checking the coolant level Slowly turn cap Mercedes-Benz GLC. Checking the coolant level counter-clockwise to release overpressure.

Mercedes-Benz GLC. Checking the coolant levelContinue turning cap 1 counter-clockwise and remove it.

The coolant level is correct in the following cases:

  • If the engine is cold, the coolant is up to marker bar Mercedes-Benz GLC. Checking the coolant level.
  • If the engine is warm, the coolant is up to 0.6 in (1.5 cm) over the marker bar Mercedes-Benz GLC. Checking the coolant level.

Mercedes-Benz GLC. Checking the coolant level If necessary, add coolant that has been approved for Mercedes-Benz.

Further information on coolant

    Refilling engine oil

    WARNING Risk of burns from hot component parts in the engine compartment Certain component parts in the engine compartment can be very hot, e.g. the engine, the cooler and parts of the exhaust system...

    Refilling the windshield washer system

    WARNING Risk of burns from hot component parts in the engine compartment Certain component parts in the engine compartment can be very hot, e.g. the engine, the cooler and parts of the exhaust system...

    Other information:

    Mercedes-Benz GLC 2016-2025 Owners Manual: Checking the engine oil level using the onboard computer


    Requirements: The engine has been warmed up. The vehicle is parked on a level surface. The engine is running at idle speed. The hood is closed. The engine oil level is determined during driving. Determining the engine oil level can take up to 30 minutes with a normal driving style and even longer with an active driving style...

    Mercedes-Benz GLC 2016-2025 Owners Manual: Washing the vehicle by hand


    NOTE Engine damage due to water ingress Take care not to point the water jet directly towards the air inlet grille below the hood. Observe the legal requirements, e.g. in a number of countries, washing by hand is only permitted in specially designated wash bays...

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