Diagnostic Control
The SBC module controls the pump and valves. Use STAR/Xentry or another tool with a proper SBC bleed routine.
Bleeding Mercedes-Benz Sensotronic Brake Control is not a normal two-person brake bleed. SBC uses an electrohydraulic pump and must be handled with compatible diagnostics, a pressure bleeder and proper safety checks.
AI Overview Summary
The SBC module controls the pump and valves. Use STAR/Xentry or another tool with a proper SBC bleed routine.
Once the routine is started, keep the brake pressure bleeder connected and maintain approximately 2.5 bar.
Never disconnect hydraulic lines while SBC is active. Do not allow the reservoir to run low, and check for leaks before road use.
Procedure Overview
This overview is for experienced technicians. Always follow the exact prompts from the diagnostic system fitted to the vehicle.
Connect diagnostic equipment, identify the vehicle and enter the SBC module.
Fill with DOT 4+ brake fluid and maintain approximately 2.5 bar at the reservoir.
Start the diagnostic bleeding routine and open/close bleed nipples only as instructed.
Set fluid level, clear codes, cycle ignition, check pedal feel and road-test carefully.
Models Covered
Common SBC pump warning and bleed routine vehicles.
Electrohydraulic SBC system requiring correct diagnostic handling.
SBC-equipped models often need repair, reset or brake fluid service.
Selected models use SBC and need specialist support.
Free PDF Download
Get the branded workshop checklist with required tools, pressure notes, main routine and post-bleed checks. It is stamped with Auto Electronix Repair details so customers can find us again.
Send us the vehicle model, fault codes and what work has been done. We’ll tell you whether it looks like a bleed, repair, reset or pump issue.
UK: 07404 487674
International: 00407404487674
Common Questions
Approximately 2.5 bar throughout the procedure, with the pressure bleeder kept connected once the SBC bleeding routine has been initialised.
Not properly. SBC uses an electrohydraulic control unit. Use Mercedes STAR/Xentry or another diagnostic platform that supports the SBC bleeding routine.
Battery support is not mandatory for our documented method because the procedure can be performed with the engine running, but stable voltage is still important. Follow your diagnostic tool’s prompts.
The typical order in our PDF is Rear Right, Rear Left, Front Right, Front Left. Always follow the diagnostic equipment for the exact vehicle.
Call or WhatsApp for free initial advice before you risk damaging an SBC unit.