W213 Abr Unit

The acronym ABR in a Mercedes-Benz E-Class (W213 2017–2023) context stands for Adaptive Brake (often combined into the ABS/ESP/ABR module). Unlike the problematic "brake-by-wire" SBC hydraulic system in the early W211, the W213 uses a highly advanced, vacuum-backed ABR braking intelligence system that controls standard electronic stability, safety features, and comfort assists