Mercedes w124 w126 r129 etc Relay @ ABS press Regulator anti lock brake switch ABS Relay At ABS Pressure Regulator Brand NEW part with full 1 year warranty. Mercedes part# 001 542 67 19, check fit below. Recently made by WITTRIN, not been lying around. PLEASE NOTE the chassis splits. See Models Chart BELOW. Not sure about your car? email us your VIN to confirm.