Mercedes-Benz W203 Door Control Module A2038206526 - Used Original Parts
RM 250
Condition: Used (Original)At a Glance
- Mercedes-Benz W203 Door Control Module A2038206526 - Used Original Parts
- Part number: A2038206526 / 2038206526 / 351369
- Fits: Mercedes Benz C-Class W203 · confirm by chassis number before ordering
- Used Original · tested working
- RM 250 · final quote via WhatsApp
- M.S. Motor · Kuala Lumpur, Malaysia · ready stock
Diagnosis and Common Symptoms
The W203 C-Class chassis is notorious for electrical gremlins within the door interface. The most critical failure mode for the Door Control Module (DCM) is a parasitic battery drain, where the module fails to enter "sleep mode" after the car is locked, flattening your battery overnight. Other physical symptoms include total failure of the power seat adjustments, unresponsive power windows, erratic door lock behavior, or non-functioning side mirror adjustments. If you are experiencing CAN bus communication errors related to the door or persistent battery drain, this unit is the likely culprit.
Introduction
Restore the electrical integrity of your C-Class with this Genuine Used Mercedes-Benz Door Control Module. Unlike aftermarket replacements that often struggle with the sophisticated Mercedes CAN bus network, this original unit ensures correct communication with the central gateway and EIS. Each module has been bench-tested by our technical team to verify it powers up, communicates correctly, and enters sleep mode properly to prevent battery drain.
Product Details
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Brand: Mercedes-Benz
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Model Compatibility: W203 C-Class (C180, C200, C230, C240, C320, C32 AMG, C55 AMG)
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Part Name: Door Control Module / Seat Control Unit
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Part Number: A2038206526
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Condition: Genuine Used (Tested Working)
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Notes: Please verify the part number matches your existing unit exactly. This module controls seat memory, mirrors, and windows. Variations exist based on vehicle option codes.
Frequently Asked Questions
What symptoms indicate failure?
The most common symptom is a dead battery in the morning due to parasitic drain. Other signs include power seats that stop moving, windows that will not roll up/down, or side mirrors that do not fold or adjust.
Does this require coding?
In many cases, this is plug-and-play if the donor car had the exact same options. However, to ensure all features (like memory functions or folding mirrors) work 100% correctly, variant coding via a STAR diagnostic tool may be required.
Is this original?
Yes, this is a Genuine Mercedes-Benz part removed from a donor vehicle. We strictly do not sell aftermarket or counterfeit electrical components.
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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