2011 Mercedes R-Class Owner's Manual - Page 54

52 Occupant safety PRE-SAFE® takes the following measures depending on the hazardous situation detected: Rthe moved forwards and upwards. This provides better head support. front seat belts are pre-tensioned. Ron vehicles with memory functions: the front-passenger seat is adjusted if it is in an unfavorable position under accident conditions. Rif the vehicle skids, the side windows are closed so that only a small gap remains. Ron vehicles with sliding sunroof: if the vehicle skids, the sliding sunroof closes so that only a small gap remains. If the hazardous situation passes without resulting in an accident, PRE-SAFE® slackens the belt pretensioning. All settings made by PRE-SAFE® can then be reversed. If the seat belts are not released: X G Warning Do not attach any objects (e.g. a coat hanger) to the NECK-PRO head restraints/NECK-PRO luxury head restraints. Otherwise, the NECKPRO head restraints/NECK-PRO luxury head restraints may not function properly and in the event of a rear-end collision may not offer the protection they are designed to provide. Safety G Warning Move the backrest or the seat back slightly until the belt pretensioning is reduced. The locking mechanism releases. G Warning Only use seat covers/head restraint covers that have been tested and approved by Mercedes-Benz for your vehicle model. Using seat covers and head restraint covers other than those recommended may cause a malfunction when NECK-PRO head restraints/NECK-PRO luxury head restraints are triggered or may prevent side impact air bags/pelvis air bags from deploying. Consult an authorized Mercedes-Benz Center regarding availability. Make sure that nobody can become trapped as you adjust the seat. ! Make sure that there are no objects in the footwell or behind the seats when resetting the seats. There is a risk that the seats and/or the objects could be damaged. More information about belt adjustment, a convenience function integrated into PRESAFE®, can be found in the "Belt adjustment" section (Y page 56). NECK-PRO head restraints/NECKPRO luxury head restraints NECK-PRO head restraints/NECK-PRO luxury head restraints increase protection of the driver's and front-passenger's head and neck. In the event of a rear collision of a certain severity, the NECK-PRO head restraints/ NECK-PRO luxury head restraints on the driver's and the front-passenger seat are If the NECK-PRO head restraints/NECK-PRO luxury head restraints have been triggered in an accident, reset the NECK-PRO head restraints/NECK-PRO luxury head restraints on the driver's and front-passenger seats (Y page 53). Otherwise, the additional protection will not be available in the event of another rear-end collision. NECK-PRO head restraints/NECK-PRO luxury head restraints that have been triggered are moved forwards and can no longer be adjusted. G Warning! For your protection, drive only with properly positioned head restraints. Adjust the head restraint so that it is as close to the head as possible and the center of the head restraint supports the back of the head at eye level. This will reduce the potential for injury to the head and neck in the event of an accident or similar situation.