Mercedes-Benz GLK Owners Manual

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Cleaning the wheels
Do not use acidic wheel cleaning products to remove brake dust. This could damage wheel bolts and brake components. Do not park the vehicle for an extended period straight after cleaning it, ...

Deactivating/activating ESP® (except AMG vehicles)
WARNING ESP® should not be deactivated during normal driving other than in the circumstances described below. Disabling the system will reduce vehicle stability in driving maneuvers. Do no ...

Important safety notes
Observe the "Important safety notes" section ABS regulates brake pressure in such a way that the wheels do not lock when you brake. This allows you to continue steering the vehicle w ...