2009 Mercedes SLR McLaren Owner's Manual - Page 92

Safety and Security Performance enhancement system Automatic mode This mode should be used for normal driving conditions. Slide the Airbrake switch 4 to position 2. With the ignition switched on, the Airbrake swivels upwards to an angle of 5° and then returns to its initial position. When the vehicle exceeds a speed of 60 mph (95 km/h), the Airbrake wing swivels up to an angle of 10°. Rapid braking During hard braking at a speed of more than 60 mph (95 km/h), the Airbrake automatically swivels up to an angle of 65°. This allows you to achieve the best possible braking performance in an emergency. This function is only available in manual and automatic mode. Warning! G Hard braking activates the Airbrake which may block the view through the interior rear view mirror. In this case, monitor the traffic behind you through the exterior rear view mirrors. 92