Mercedes-Benz GLK Owners Manual

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Servicing the brakes
If the red brake warning lamp lights up in the instrument cluster and you hear a warning tone while the engine is running, the brake fluid level may be too low. Observe additional warning messag ...

Engine
Display messages Possible causes/consequences and Solutions Check Coolant Level See Operator's Manual The coolant level is too low. Add coolant, observing the war ...

Important safety notes
WARNING It is dangerous to shift the automatic transmission out of parking position P or neutral position N if the engine speed is higher than idle speed. If your foot is not firmly on the ...