Mercedes-Benz GLK-Class: Checking and adding other service products - Engine compartment - Maintenance and care - Mercedes-Benz GLK-Class Owner's ManualMercedes-Benz GLK-Class: Checking and adding other service products

Adding engine oil
WARNING If engine oil comes into contact with hot engine parts, it may ignite and you could burn yourself. Do not spill any engine oil on hot engine parts. Environmental note When adding oil ...

Checking the coolant level
Only check the coolant level when the vehicle is on a level surface and the engine has cooled down. Turn the SmartKey to position 2 () in the ignition lock. On vehicles with KEYLESS-GO, press ...

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Daytime running light system (Canada only)
The daytime running lights automatically illuminate when the engine is started with the parking brake released. The daytime running lights operate with the headlight switch in the OFF position ...

Automatic air conditioning system
Airflow and outlets are automatically adjusted according to the temperature setting. ...

Fuel
NOTE The engine is designed to operate using unleaded gasoline. *1: If unleaded gasoline with an octane rating of 91 AKI (95 RON) is not available, unleaded gasoline with an octane rating of 87 ...