2009 Mercedes CL-Class Owner's Manual - Page 336

Controls in detail Driving and parking Engaging electronic parking brake automatically Your vehicle's electronic parking brake engages automatically when DISTRONIC Plus (Y page 350) brings your vehicle to a standstill, and at least one of the following conditions is met: RThe engine is turned off. RThe RThe X While driving, press the handle for the electronic parking brake (Y page 333). Turning off the engine G Warning! 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. i If the engine cannot be turned off as described, see "Emergency engine shutdown" (Y page 561). X driver's door is opened and the seat belt is not inserted in the seat belt buckle. hood lock is released. RThe trunk lid is opened while the automatic i Your vehicle will be braked for as long as you press and hold the handle for the electronic parking brake. The longer you keep the handle for the electronic parking brake pressed, the more strongly your vehicle will be braked. This method occurs on all four wheels, not just the rear wheels. During the braking procedure Ran acoustic warning sounds Rthe Rthe transmission is in reverse gear R. RThe vehicle is stationary for an extended period of time. message Please Release Parking Brake appears in the multifunction display red indicator lamp for the electronic parking brake 0 (USA only) or ! (Canada only) in the instrument cluster flashes The red indicator lamp 0 (USA only) or ! (Canada only) in the instrument cluster comes on. Shift the automatic transmission into park position P. i In addition to engaging the electronic parking brake, the automatic transmission will shift into park position P automatically. Emergency braking with electronic parking brake In an emergency situation, you can also brake your vehicle while driving by using the electronic parking brake. Once the vehicle comes to a complete stop, the electronic parking brake will engage automatically. i When parked on an incline, also turn the front wheels towards the road curb. i Observe instructions if you want the automatic transmission to remain in neutral position N, see "Remaining in neutral position N" (Y page 337). With SmartKey X Turn the SmartKey in the starter switch to position 0. 334