03-08 Mercedes R230 SL500 SL55 E55 AMG SBC Brake Anti Lock ABS Hydraulic Pump

The Sensotronic Brake Control (SBC) system on Mercedes-Benz R230 SL-Class (SL500, SL55 AMG) and W211 E-Class (E55 AMG) models from 2003-2008 is a highly sophisticated, electronically controlled braking system. It's known for its advanced features but also for a lifespan limitation of the hydraulic pump within the unit. Mercedes-Benz even extended the warranty on these pumps due to the commonality of failure.

If you're listing an SBC pump for these models on eBay, here's a detailed description following the format you've requested.

03-08 Mercedes-Benz R230 SL500 SL55 & E55 AMG SBC Brake Anti-Lock ABS Hydraulic Pump Unit

• Condition: Used Crucial for this part!  "Tested good, removed from a running vehicle with no SBC errors,

• Important Compatibility: Match the part number EXACTLY! Mercedes-Benz used several SBC pump variations. Verify that the OEM part number on your existing unit matches one of the numbers listed below. The buyer is responsible for confirming fitment.

• Warranty: [Specify: e.g., "30-Day Money Back Guarantee\

• Shipping: Fast Free Shipping," "Ships within 1 business day via USPS UPS Ground,

• Disclaimer: SBC system repairs and replacements MUST be performed by a qualified Mercedes-Benz specialist or technician with the appropriate diagnostic tools (e.g., Mercedes STAR/DAS/XENTRY). Improper installation or bleeding can lead to severe brake failure.

Vehicle Fitment (Verify with Part Number & VIN!):

• Make: Mercedes-Benz

• Model:

  • R230 SL-Class (SL500, SL55 AMG)

  • W211 E-Class (E55 AMG) - Note: While the E55 is mentioned, the R230 is explicitly in your title. If this part fits other W211 E-Class models (E320, E500.), 

• Years: 2003, 2004, 2005, 2006, 2007, 2008

Common OEM Part Numbers (Cross-Reference with your existing unit!):

• A 005 431 71 12

• A 005 431 97 12

• A 008 431 37 12

• A 008 431 98 12

• A 009 431 25 12

• A 000 430 13 94

• Bosch Part Number: 0 265 960

Description:

This listing is for an OEM Used, Sensotronic Brake Control (SBC) hydraulic pump unit, anti-lock brake (ABS) modulator, designed for Mercedes-Benz R230 SL-Class (SL500, SL55 AMG) and W211 E-Class (E55 AMG)(E320, E500.),  vehicles from 2003 to 2008.

The SBC system is an advanced electro-hydraulic braking system that provides rapid and precise brake control, enhancing safety features like ABS, ESP (Electronic Stability Program), and Brake Assist.² The hydraulic pump is the heart of this system, generating and controlling the high-pressure fluid required for braking.

Common Symptoms of a Failing SBC Unit:

• "Service Brake - Visit Workshop!" warning message on the instrument cluster.

• "Brake!" warning light illuminated.

• Reduced braking performance or a "hard" brake pedal feel.

• Unusual noises coming from the SBC unit when the ignition is on or the door is opened.

• Specific diagnostic trouble codes (DTCs) related to the SBC system's internal pump motor or pressure accumulator.

Key Features of this SBC Pump Unit:

• Genuine OEM Mercedes-Benz / Bosch Part [If applicable]

• Direct Replacement for the specified part numbers.

• Essential for proper ABS, ESP, and Brake Assist functionality.

•  "Thoroughly tested to meet or exceed OEM specifications."

• "Includes the hydraulic pump and control module as a single unit."

Installation & Safety Advisory (MANDATORY READING!):

• HIGHLY EXPERIENCED TECHNICIAN REQUIRED: Installation of an SBC unit is extremely complex and dangerous if not performed correctly. It requires specialized Mercedes-Benz diagnostic equipment (STAR/DAS/XENTRY) to properly deactivate, install, activate, and bleed the system.

• BRAKE FLUID: Only use Mercedes-Benz approved DOT 4 Plus brake fluid.

• BLEEDING: Proper bleeding procedure with diagnostic tools is critical to ensure safe operation.

• FAILURE TO FOLLOW THESE INSTRUCTIONS CAN LEAD TO COMPLETE BRAKE FAILURE AND SERIOUS INJURY OR DEATH. We recommend having this part installed by a certified Mercedes-Benz dealership or independent specialist.