Mercedes-Benz GLK Owners Manual

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Tires
The specified tire pressure is printed in yellow on the emergency/collapsible spare wheel. ...

Problems with the seat heating
The seat heating has switched off prematurely or cannot be switched on. The vehicle's electrical system voltage is too low because too many electrical consumers are switched on. •► Swit ...

Problems with the windshield wipers
The windshield wipers are obstructed Leaves or snow, for example, may be obstructing the windshield wiper movement. The wiper motor has been deactivated. ► For safety reasons, you should ...