Overview of wiring diagrams for trailer hitch - PE31.00-P-1100DAA
WARNING: This page does not describe the selected car, but rather 33 other vehicles, including the 2016 Mercedes-Benz E63 S AMG, 2016 Mercedes-Benz E400, 2016 Mercedes-Benz E350, 2016 Mercedes-Benz E300, and 2016 Mercedes-Benz E250. However, it is still accessible from the selected car via links, so may be relevant.
MODEL 212
| Trailer recognition control unit wiring diagram | MODEL 212 with CODE (550) Trailer hitch control unit N28/1 | PE31.19-P-2101DAA |