Mercedes-Benz GLK Owners Manual

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Fuel requirements
Use only premium-grade unleaded gasoline. The octane number should be at least 91. Details can be found on the gas pump. The octane number is the average value of the Research Octane Number (RON) ...

Calling up a stored setting
If you want to move the seat from the fully reclined position to a stored seat position, first raise the backrest. The seat could otherwise be damaged. Press and hold the relevant storage ...

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 more ...