2011 Mercedes GLK-Class Owner's Manual - Page 250

248 X Flat tire Prepare the vehicle as described (Y page 247). X If a trailer is coupled to the vehicle, uncouple it. X Remove the following items from the stowage well under the trunk floor: Rthe emergency spare wheel Rthe wheel bolts for the emergency spare wheel Rthe electric air pump Rthe lug wrench Rthe folding wheel chock Rthe jack Rthe ratchet ring spanner X X Fold out lower plate ;. X Guide the lugs on the lower plate fully into openings in base plate =. Roadside Assistance Securing the vehicle on level ground X Secure the vehicle to prevent it from rolling away. Securing the vehicle to prevent it from rolling away G Warning Only jack up the vehicle on level ground or on slight inclines/declines. The vehicle could otherwise fall off the jack and injure you or others. On level ground: place chocks or other suitable items under the front and rear of the wheel that is diagonally opposite the wheel you wish to change. If your vehicle is equipped with a wheel chock, it can be found in the vehicle tool kit (Y page 245). The folding wheel chock is an additional securing measure to prevent the vehicle from rolling away, for example when changing a wheel. Securing the vehicle on slight downhill gradients X On downhill gradients: place chocks or other suitable items in front of the wheels of the front and rear axle. Raising the vehicle G Warning When jacking up the vehicle, only use the jack which has been specifically approved by Mercedes-Benz for your vehicle. The jack is designed exclusively for jacking up the vehicle at the jacking points built into both sides of the vehicle. The jack saddle must be placed centrally under the jacking point. The X Fold both plates upwards :.