2011 Mercedes CL-Class Owner's Manual - Page 305

Driving systems HOLD function General notes The HOLD function can assist the driver in the following situations: Rwhen 303 i If depressing the brake pedal the first time does not activate the HOLD function, wait briefly and then try again. G Warning The vehicle's brakes are applied when the HOLD function is activated. For this reason, deactivate the HOLD function if the vehicle is to be set in motion by other means (e.g. in a car wash or by towing). Deactivating the HOLD function The HOLD function is deactivated automatically if: accelerate and the transmission is in position D or R. Rthe transmission is in position P. Ryou apply the brakes again with a certain amount of pressure until HOLD disappears from the instrument cluster. Ryou secure the vehicle using the electric parking brake. Ryou activate DISTRONIC PLUS. Ryou Activation conditions You can activate the HOLD function if: vehicle is stationary. driver's door is closed or if your seat belt is fastened. Rthe electric parking brake is released. Rthe hood is closed. Rthe transmission is in position R, N or D. The trunk lid must be closed in position R. RDISTRONIC PLUS is deactivated. Rthe Rthe i After a time, the electric parking brake secures the vehicle and relieves the service brake. G Warning Never get out of the vehicle when the HOLD function is activated. The HOLD function must never be operated or deactivated by a passenger or from outside the vehicle. The HOLD function does not replace the electric parking brake and must not be used for parking. The braking effect of the HOLD function is canceled and the vehicle could roll away if: Rthe Activating the HOLD function X Make sure that the activation conditions are met. X Depress the brake pedal. X Quickly depress the brake pedal further until HOLD display : appears in the instrument cluster. The HOLD function is activated. You can release the brake pedal. HOLD function is deactivated by depressing the accelerator pedal or the brake pedal. Rthere is a malfunction in the system or an interruption in the power supply, e.g. battery failure. Z Driving and parking pulling away, especially on steep slopes Rwhen maneuvering on steep slopes Rwhen waiting in traffic The vehicle is kept stationary without the driver having to depress the brake pedal. The braking effect is canceled and the HOLD function deactivated when you depress the accelerator pedal to pull away.