2009 Mercedes R-Class Owner's Manual - Page 356

Practical hints Resetting activated head restraints X X Exit the vehicle. Close the rear left door. The vehicle is locked. Resetting activated head restraints If the active head restraints have been triggered in a rear-end collision, the active head restraints must be reset. You can tell that the active head restraints have been triggered when they have been moved forward and cannot be adjusted. i This procedure does not arm the antitheft alarm system, nor does it lock the fuel filler flap. Fuel filler flap G Warning! Avoid contact with the vehicle walls as they may contain sharp edges. Otherwise, you could injure yourself while releasing the fuel filler flap. In case the central locking system does not release the fuel filler flap, you can open it manually. The fuel filler flap release is located behind a cover in the right side trim panel of the cargo compartment. X Open the tailgate (Y page 90). X 1 Fuel filler flap release X Pull red fuel filler flap release 1 in direction of arrow. The fuel filler flap is unlocked. Open the fuel filler flap (Y page 245). G Warning! For safety reasons, have the active head restraints checked at an authorized Mercedes-Benz Center after a rear-end collision. G Warning! When pushing back the head restraint cushion, make sure your fingers do not become caught between the head restraint cushion and the cover. Failing to do so may lead to injury. i Pressing the head restraint cushion back requires high force. If you encounter difficulties when pushing the head restraint back, please have the procedure performed at an authorized Mercedes-Benz Center. X Remove right side trim panel (Y page 361). 354