ABC level control, function - GF32.50-P-4004SU

MODEL 230 up to 28.2.06 with CODE (487) Active Body Control (ABC) with CODE (491) USA version

Fig 1: ABC Level Control Graph

Courtesy of MERCEDES-BENZ USA

The listed values are subject to change. The current values are listed in the chassis alignment.

The vehicle is lowered or raised depending on the vehicle speed and the setting on the level adjustment switch (N72s18). There are four vehicle level stages:

Normal vehicle level
Vehicle level lowered (only automatic)
Vehicle level raised stage 1 (only manual)
Vehicle level raised stage 2 (only manual)

The switch position selected by the driver remains stored even with "Ignition OFF" until it is manually changed again.

Level adjustment switch not actuated

Engine running
The vehicle is at the normal level A (- 4 mm).
Between 60 km/h and 100 km/h - vehicle level is continuously lowered automatically to lowered level B (- 19 mm).
Between 100 km/h and 60 km/h - vehicle level is continuously raised to normal level A (- 4 mm).

Level adjustment switch actuated to stage 1

Engine running
The vehicle level is raised to stage 1 C (+ 11 mm).
Between 30 km/h and 140 km/h - vehicle level is continuously lowered automatically to normal level A (- 4 mm).
Between 140 km/h and 30 km/h vehicle level is continuously raised to raised level stage 1 C (+ 11 mm).

Level adjustment switch actuated to stage 2

Engine running
The vehicle level is raised to stage 2 D (+ 21 mm).
Between 0 km/h and 30 km/h vehicle level is continuously lowered automatically to raised level stage 1 C (+ 11 mm).
Between 30 km/h and 140 km/h - vehicle level is continuously lowered automatically to normal level A (- 4 mm).
Between 140 km/h and 30 km/h vehicle level is continuously raised to raised level stage 1 C (+ 11 mm).
Between 30 km/h and 0 km/h vehicle level is continuously raised to raised level stage 2 D (+ 21 mm).

	Pressure supply, function		GF32.22-P-4010SL
	ABC control unit, location/task/function		GF32.50-P-4500A