2005 Mercedes S-Class Owner's Manual - Page 114

Controls in detail Locking and unlocking Power closing assist for doors and trunk lid It is not necessary to slam the door or trunk lid closed. A pneumatic power-assisted mechanism draws doors and trunk lid closed quietly and automatically once door and trunk lid has been latched. When the pneumatic power-assisted mechanism has stopped, doors and/or trunk can be re-opened. Warning! Power closing assist for doors Press the doors gently past the initial engage position into the lock. The doors close automatically. Warning! Automatic central locking The doors and the trunk automatically lock when the ignition is switched on and the wheels are turning at vehicle speeds of approximately 9 mph (15 km/h) or more. You can open a locked door from the inside. Open door only when conditions are safe to do so. G G Only drive with the doors closed. Otherwise, one or more of the doors could open while the vehicle is in motion, putting you and/or others at risk. i The doors unlock automatically after an accident if the force of the impact exceeds a preset threshold. The vehicle locks automatically when the ignition is switched on and the wheels are turning at vehicle speeds of approximately 9 mph (15 km/h) or more. You could therefore lock yourself out when the vehicle is pushed or towed is on a test stand You can deactivate the automatic locking using the control system ( page 168). Power closing assist for trunk lid To prevent possible personal injury, always keep hands and fingers away from the door or trunk opening when closing a door or the trunk lid. Be especially careful when small children are around. In case of danger, pull the inside or outside door handle, or press the trunk lid lock. To prevent personal injury, never actuate the closing assist mechanism by tampering with the door or trunk lid latch. Press the trunk lid gently into its lock. The trunk closes automatically. Warning! G Only drive with the trunk closed as, among other dangers such as visibility blockage, exhaust fumes may enter the vehicle interior. 112