2010 Mercedes R-Class Owner's Manual - Page 312
2010 Mercedes R-Class Manual
Page 312 highlights
251_AKB; 4; 52, en-US d2ureepe, 2009-03-23T09:22:52+01:00 - Seite 310 Version: 2.11.8.1 310 Replacing SmartKey batteries 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 on the passenger side in the cargo compartment behind the cover. X Open the tailgate (Y page 75). X Open the cover on the passenger-side trim panel (Y page 317). 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. Practical hints X Pull red fuel filler flap release : in direction of arrow. The fuel filler flap is unlocked. X X Open the fuel filler flap (Y page 220). Close the cover. X Close the tailgate. X Resetting activated NECK-PRO active front head restraints If the NECK-PRO active front head restraints have been triggered in a rear-end collision, they must be reset. You can tell that the NECK-PRO active front head restraints have been triggered when they have been moved forward and cannot be adjusted. Pull the top of the head restraint cushion in direction of arrow : as far as it will go. X Adjust the head restraint cushion downward in direction of arrow ; as far as it will go. X Firmly press the top of the head restraint cushion towards the head restraint cover in direction of arrow = until it engages. X Repeat this procedure on the NECK-PRO active front head restraint for the second front seat. For information on NECK-PRO active front head restraints, see "NECK-PRO active front head restraints" (Y page 53). G Warning! For safety reasons, have the NECK-PRO active front head restraints checked at an authorized Mercedes-Benz Center after a rear-end collision. Replacing SmartKey batteries If the batteries in the SmartKey are discharged, the vehicle can no longer be locked or unlocked. It is recommended to