2008 Mercedes S-Class Owner's Manual - Page 398

Controls in detail Driving and parking Emergency braking with electronic parking brake In an emergency situation, you can also brake your vehicle while driving by using the electronic parking brake. While driving, press handle for electronic parking brake ( page 395). Turning off the engine Turning off with SmartKey Turn the SmartKey in the starter switch to position 0 ( page 344) and remove it. The immobilizer is activated. i If the engine cannot be turned off as described, see "Emergency engine shut-down" ( page 707). Shift the automatic transmission to P ( page 403). Warning! ! If you turn off the engine using the SmartKey and remove the SmartKey from the starter switch or open a front door the transmission will shift to park position P automatically. Keep in mind that turning off the engine with the SmartKey alone only will automatically shift the transmission to neutral position N. i Your vehicle will be braked for as long as you press and hold the switch for the electronic parking brake. The longer you keep the electronic parking brake pressed, the more strongly your vehicle will be braked. This method occurs on all 4 wheels, not just the rear wheels. G During the braking procedure, the red indicator lamp 0 (USA only) or ! (Canada only) flashes in the instrument cluster, the message "Please release parking brake" appears on the multifunction display and you will hear a warning tone. Once the vehicle comes to a complete stop the electronic parking brake will engage. Do not turn off the engine before the vehicle has come to a complete stop. With the engine not running, there is no power assistance for the brake and steering systems. In this case, it is important to keep in mind that a considerably higher degree of effort is necessary to brake and steer the vehicle. ! Observe instructions when taking the vehicle through an automatic conveyor type car wash ( page 588) when towing the vehicle ( page 702) 397