2010 Mercedes E-Class Owner's Manual - Page 53

Occupant safety the BAS PLUS (Y page 60) or the PRESAFE® Brake (Y page 63) is strongly engaging Rwhen 51 If the seat belts do not release: X Rcritical dynamic driving situations, e.g. when the vehicle has been caused to understeer or oversteer because it has exceeded its physical limitations or in case of evasive steering maneuvers at speeds above approximately 85 mph (140 km/h) The PRE-SAFE® system takes the following measures when it is activated: RThe front seat belts are pre-tensioned automatically. RIf ! When moving the seats, make sure there are no items in the footwell or behind the seats. Otherwise, you could damage the seats and/or the items. For information on the seat belt adjustment function as an integrated comfort feature of the PRE-SAFE® system, see (Y page 49). NECK-PRO active front head restraints The NECK-PRO active front head restraints are intended to offer the driver and front passenger increased protection from whiplash-type injuries. In the event of a rearend collision, the NECK-PRO active front head restraints are designed to move forward and up in the direction of travel. They thus provide the head with increased support earlier on in the collision sequence. The NECK-PRO active front head restraints will move forward and up whether the seats are occupied or not. the front passenger seat is in an unfavorable position, the seat will be adjusted to a position that seeks to better protect the occupant. system increases the air pressure in the air pockets (on the sides of the seat cushion and backrest) of the multicontour front seats. situation, the door windows and the panorama roof with tilt/sliding panel also closes, except for a minimal gap that remains open. RThe RIf the vehicle is in a critical dynamic driving G Warning! If the closing procedure of any of these elements is blocked, it will stop and open slightly. Once the hazardous situation no longer exists and an accident has been avoided, the PRESAFE® system loosens the seat belt pretension and decreases the air pressure in the air pockets of the multicontour front seats. All of the PRE-SAFE® system settings can be re-adjusted following the critical driving event. Do not attach any objects (e.g. hangers) to the head restraint posts. Otherwise, the NECKPRO active front head restraints may not be able to function properly or offer the intended degree of protection they were designed for in the event of a rear-end collision. G Warning! Only use seat or head restraint covers which have been tested and approved by MercedesBenz for your vehicle model. Using other seat or head restraint covers may interfere with or prevent the activation of the NECK-PRO active front head restraints and/ or the deployment of the front side impact air bags or pelvis air bags. Z Safety and security the radar sensors recognize the immediate risk of collision in certain situations (vehicles with DISTRONIC PLUS) Adjust the seat backrest or seat slightly to the rear until the seat belt tension is reduced. The locking mechanism releases.