C2131 MERCEDES-BENZ – Pressure Reservoir Faulty

C2131 MERCEDES-BENZ Possible Symptoms

Anti-Lock Brake System (ABS) Warning Light ON,Engine Light ON (or Service Engine Soon Warning Light)

C2131 MERCEDES-BENZ Possible Causes

Faulty Pressure Reservoir,Pressure Reservoir harness is open or shorted,Pressure Reservoir circuit poor electrical connection,Faulty Sensotronic Brake Control (SBC) Hydraulic Unit

C2131 MERCEDES-BENZ Description

The Sensotronic Brake Control (SBC) Hydraulic Unit monitors the Pressure Reservoir. The SBC Hydraulic Unit sets the OBDII code when the Pressure Reservoir is not to factory specifications.