Mercedes-Benz GLK Owners Manual

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Removing a wheel
Unscrew the uppermost wheel bolt completely. Screw alignment bolt 1 into the thread instead of the wheel bolt. Unscrew the remaining wheel bolts fully. Do not place wheel bolts in sand ...

Load index
Tire data is vehicle-specific and may deviate from the data in the example. In addition to the load bearing index, load index 1 may be imprinted after the letters that identify speed index 6 ...

Tire pressure specifications
WARNING Follow recommended tire inflation pressures. Do not underinflate tires. Underinflated tires wear excessively and/or unevenly, adversely affect handling and fuel economy, and are mo ...