Mercedes-Benz GLK Owners Manual

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Trailer towing
PARKTRONIC is deactivated for the rear area when you establish an electrical connection between your vehicle and a trailer. Fold in the ball coupling if the trailer tow hitch is not required. ...

Aspect ratio
Relationship between tire height and tire width in percent. ...

Wheel and tire combinations
Please bear the following in mind For safety reasons, Mercedes-Benz recommends that you only use Tires and wheels which have been approved by Mercedes-Benz specifically for your vehicle. The ...