2010 Mercedes C-Class Owner's Manual - Page 328

326 Towing the vehicle Installing towing eye bolt Depending on whether you are towing a vehicle or you are being towed, the towing eye bolt can be screwed into threaded holes which are located behind covers on each bumper. The towing eye bolt is supplied with the vehicle tool kit, located underneath the trunk floor (Y page 268). X Take the vehicle tool kit out of the trunk. X Practical hints Removing cover in front bumper Press mark on cover : as indicated by the arrow. X Lift cover : off to reveal the threaded hole for the towing eye bolt. Fixing towing eye bolt X Press mark on cover : as indicated by the arrow. X Lift cover : off to reveal the threaded hole for the towing eye bolt. Example illustration front bumper X Removing cover in rear bumper G Warning! In order to avoid possible serious burns or injury, use extreme caution when removing the rear cover, because the rear exhaust pipe is extremely hot. Take the towing eye bolt and, if so equipped, the wheel wrench from the vehicle tool kit (Y page 268). X Screw towing eye bolt ; clockwise into threaded hole to its stop. X Insert wheel wrench into towing eye and tighten towing eye bolt ; by turning it clockwise. or X If your vehicle is not equipped with a wheel wrench, use a suitable object to turn the towing eye bolt.