Mercedes-Benz W211 SBC Brake Master Cylinder Unit A2114300302 - Used Original Parts
RM 550
Condition: Used (Original)At a Glance
- Mercedes-Benz W211 SBC Brake Master Cylinder Unit A2114300302 - Used Original Parts
- Part number: A2114300302 / 0204251302
- Fits: Mercedes E-Class W211 · confirm by chassis number before ordering
- Used Original · tested working
- RM 550 · final quote via WhatsApp
- M.S. Motor · Kuala Lumpur, Malaysia · ready stock
Diagnosis and Common Symptoms
From a workshop perspective, the Sensotronic Brake Control (SBC) system is a common point of failure on the W211 and R230 platforms. The primary indicator is the "BRAKE" warning message on the instrument cluster, which can appear in either white or, more critically, red.
Diagnostic scanning will typically reveal fault codes related to the unit's internal service life. The most prevalent code is C249F - OPERATING TIME OF COMPONENT A7/3 IS EXCEEDED. This indicates the internal pump has reached its pre-programmed operational limit set by the manufacturer for safety. Other symptoms include an unusually hard brake pedal, the hydraulic pump running excessively, or a complete loss of braking assistance, reverting to a failsafe hydraulic mode.
Introduction
This is a Genuine Mercedes-Benz SBC hydraulic unit, meticulously removed from a donor vehicle. Each unit undergoes a bench test to verify pump operation and pressure accumulation before being listed. Opting for a genuine used component is a cost-effective, reliable solution to restore your vehicle's complex braking system without compromising on the original engineering and safety standards.
Product Details
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Brand: Mercedes-Benz
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Model Compatibility: W211 E-Class (Approx. 2003-2006), R230 SL-Class (Approx. 2003-2006). Please verify part number A2114300302 for an exact match.
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Part Name: SBC Hydraulic Unit / Brake Master Cylinder Assembly
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Condition: Genuine Used (Tested Working)
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Notes: Professional installation is mandatory. This unit must be installed, bled, and activated using a Mercedes-Benz compatible diagnostic tool (such as STAR/XENTRY) to ensure proper function and safety. The internal service life counter has been verified to be well within operational limits.
Frequently Asked Questions
What symptoms indicate failure?
The most common signs are the red or white "BRAKE" warning on your dashboard, fault code C249F (service life exceeded), a change in brake pedal feel, and the hydraulic pump running more frequently than normal.
Does this require coding?
Yes. This is not a plug-and-play part. The unit must be properly initialized and adapted to your vehicle's VIN using a professional diagnostic system to ensure all safety features and communications with other modules function correctly.
Is this original?
Yes. This is a Genuine Mercedes-Benz part removed from a vehicle. We exclusively handle original factory components for critical systems to maintain vehicle integrity and safety.
Part price does not include installation. Our workshop can install for you, labour is charged separately and confirmed with you before any work starts.
We cannot diagnose your car over WhatsApp or photos. Not sure this part will solve your problem? Come for a workshop check, diagnosis fee RM180. If you proceed with the repair using our parts, the RM180 is offset into the labour charge. If you decide not to repair, only the RM180 applies.
All parts are tested and guaranteed to work. Whether a part solves your car's problem can only be confirmed by diagnosis.
Shipping: from Kuala Lumpur, West Malaysia ~RM50, East Malaysia ~RM80 (estimate, confirm via WhatsApp). Delivery 1-2 working days in secure anti-static packaging.
Warranty: 30-day exchange for control units, engines, gearboxes and other major parts; 14 days for small parts. Claims require proof of installation by a qualified workshop. No warranty for items opened, modified, or damaged by wrong installation.
Prices vary with stock and part condition. Final price via WhatsApp.
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