Oil level sensor position/task/function - GF18.40-P-4110A

ENGINE 104 

ENGINE 119 

ENGINE 120 

ENGINE 111 in MODEL 124, 210, 202, 170, 208, 163 

Shown on engine 111 in model 202 

Fig 1: Identifying Oil Level Sensor Position

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.