Drive-off Assistant
When negotiating uphill gradients, the drive-off assistant holds the vehicle for a short time
(approx. 1.5 s) after releasing the brake so that the vehicle drives off comfortably without
the need to use the handbrake. The braking pressure required by the driverto hold the
vehicle is maintained automatically in the system.
When driving off, the braking pressure is not reduced before the torque is sufficient for
the vehicle to drive off. The holding pressure in the brake system (10 to max. 70 bar) is
dependent on the uphill gradient.
Uphill gradients are detected by the DSC sensor with the aid of a longitudinal accelera-
tion sensor.
The function is active both when driving forwards (transmission in Drive) and when
reversing (transmission in Reverse) on uphill gradients (up to 50 %).
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E61 Sports Wagon
Drive-off Assistant Function
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