Mercedes-Benz SLR McLaren. Operator's Manual.

Safety and Security
Performance enhancement system
The Airbrake switch is on the upper part of
the center console.
Airbrake modes
1 Manual
2 Automatic
3 Test
4 Airbrake switch
Switch on the ignition ( page 40).
The system runs a self-test to ensure
correct operation of the Airbrake.
88
Test mode
The test mode allows you to check that the
Airbrake is functioning correctly.
This mode can only be activated when the
vehicle is at standstill.
Slide Airbrake switch 4 to
position 3.
The Airbrake swings upwards to an angle
of 62°.
Release the Airbrake switch.
The Airbrake returns to its initial position.
Manual mode
In this mode, the Airbrake is set to an angle
of 30°. The driver downforce mode enhances
handling in all conditions.
Slide the Airbrake switch 4 to
position 1.
The Airbrake swings upwards to an angle
of 30° and stays in this position.
i
In manual mode, the Airbrake automatic
function is activated in an emergency
braking situation, see “Automatic
mode” ( page 89).
!
Before deactivating manual mode,
check the Airbrake for any objects
which may have become lodged, e.g.
branches or leaves, and remove them.
Otherwise the Airbrake can no longer
function correctly.