MERCEDES C-class W204 ABS ESP Module Repair Service

If you drive a 2008-2011 Mercedes-Benz C-Class (W204), experiencing a sudden loss of safety features accompanied by alarming dashboard messages is a known issue. Warnings such as “EBD, ABS, ESP inoperative See owner’s Manual”, “Run Flat indicator inoperative”, and “Power steering malfunction” generally point to a failing ABS/ESP module. Instead of paying thousands at the dealership, our professional mercedes w204 abs module repair service provides a permanent, factory-quality fix.

Understanding the W204 ESP Module Failure

The Electronic Stability Program (ESP) module acts as the brain for your vehicle’s braking and traction control systems. Over time, heat and vibration cause the internal circuitry to degrade. This results in a loss of communication with the vehicle’s main computer, triggering multiple warning lights, causing the ABS pump to run constantly (which drains the battery), or knocking out your power steering.

A brand-new replacement requires complex and costly Mercedes SCN coding. With our mercedes c class abs repair, we completely rebuild your original module using heavy-duty, upgraded components. Because we repair your exact unit, it retains all its original programming and immobilizer data. Once you receive it back, it is completely Plug-and-Play!

Common Drivability Symptoms We Fix

• Constant Pump Operation: The ABS pump motor continues to run even after the key is removed.
• No Communication: Diagnostic scanners cannot connect to the ABS / ABR / ESP module.
• Dashboard Warnings: ABS light, ESP inoperative, and Power Steering malfunction messages appear (often triggering above 15 mph).
• Intermittent Functionality: Systems temporarily fail and then return to normal.

Supported Diagnostic Trouble Codes (DTCs)

If a diagnostic scan reveals any of the following internal fault codes, your module is a perfect candidate for our rebuild service:

• 5001, 5521, 5904, 5905, 5906, 5944, 5945, 5946, 5947, 1001, C1944, C1945: Control module N30/4 (ESP control unit) Internal Fault.
• 5060, 5066: Voltage supply A7/3m1 (high pressure and return pump).
• 5775, 5791, 5865, 5951, 5955, 5962, 5964: Component A7/3 (Traction system hydraulic unit) has an internal fault.
• 7266, C3266: Subsequential fault.

Supported Vehicle Fitment (2008-2011)

Mercedes C-Class (W204): C180, C200, C220, C250, C280, C300, C320, C350, and C63 AMG.

Important Shipping & Service Terms

To safely utilize this service and save significantly on shipping costs, DO NOT ship the heavy metal ABS pump assembly. Remove the black plastic ESP computer from the hydraulic block and send the computer only. After reinstalling the repaired module, you may need an OBD2 scanner to clear the old DTCs from the vehicle’s memory.
Please note: Not all modules can be repaired (e.g., severe physical damage or fire). Unrepairable units will be returned with a full refund, minus a $90 diagnostic fee and return shipping costs.