ABC level sensor, component description - GF32.50-P-4623R

MODEL 230 as of 1.3.06 with CODE (487) Active Body Control (ABC) 

Fig 1: Identifying Right/Left Front Level Sensor

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Right/Left Rear Level Sensor

Courtesy of MERCEDES-BENZ USA

Location 

There are two level sensors behind the front wheels and two level sensors on the rear axle.

Task 

The four level sensors are required for determining the current vehicle level.