2003 Mercedes S-Class Owner's Manual - Page 102

Controls in detail Locking and unlocking Power closing assist for doors and trunk lid Power closing assist for doors Press the doors gently past the initial engage position into the lock. The doors close automatically. Power closing assist for trunk lid Press the trunk lid gently into its lock. The trunk closes automatically. Warning! G i The doors unlock automatically after an accident if the force of the impact exceeds a preset threshold. The vehicle automatically locks 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 is on a test stand You can deactivate the automatic locking using the control system ( page 155). 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. The pneumatic power closing assist mechanism cannot be interrupted once it has been engaged. To prevent personal injury, never actuate the closing assist mechanism by tampering with the door or trunk lid latch. i 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. 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. 102