2008 Mercedes S-Class Owner's Manual - Page 397

Controls in detail Driving and parking Automatically releasing electronic parking brake Your vehicle's electronic parking brake is automatically released when: The engine is running. Transmission is in position D or R. The hood is closed. You have fastened your seat belt. You step on the accelerator pedal. If reverse gear R is engaged, the trunk must be closed. Manually engaging electronic parking brake Press handle 1. The red indicator lamp 0 (USA only) or ! (Canada only) in the instrument cluster comes on. Automatically engaging electronic parking brake* (USA only) Your vehicle's electronic parking brake is automatically engaged when DISTRONIC Plus* ( page 424) brings your vehicle to a standstill and at least one of the following conditions is met: The engine is switched off. The driver's door is opened and the seat belt is not inserted in the seat belt buckle. The hood is released. The trunk lid is open while reverse gear R is engaged. The vehicle is parked for an extended period of time. The red indicator lamp 0 (USA only) or ! (Canada only) in the instrument cluster comes on. i You can also engage the electronic parking brake when the SmartKey is removed from the starter switch. i If you have not fastened your seat belt, the following conditions must be met in order for the electronic parking brake to be automatically released: The driver's door is closed. You must move the gear selector out of P position or drive faster than 2 mph (3 km/h). i In addition to the electronic parking brake, park position P can be automatically engaged. 396