Traffic data recorder, wake-up signal, testing electrical system, APS - AD82.61-P-6000-12A

Model 129, 

Model 140 as of 1.1.98, 

Models 202, 208, 210.2, 

Model 210 as of 1.1.98 with code 351 and with code 815 

Fig 1: Traffic Data Recorder, Wake-Up Signal, Testing Electrical System, APS

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.