Rear right door control unit MERCEDES BENZ E250 W212 2014
OEM: A2129004214
Disassembled car photo
Engine running
Tested before shipping
Guaranteed quality
Fast delivery 3–7 days
14-day returns
Details for this exact part
Code
A2129004214
OEM
A2129004214
Condition
Used
Availability
1 in stock - ready to ship
Make, model
MERCEDES E250 2009-2016
Year
2014
Engine
Diesel 2.2CDI 150KW 65192431250773
VIN
WDD2122821A685224
What is this part and why does it matter?
The rear right door control module manages the electrical functions of that door, such as the window, lock, and mirror (if applicable), communicating with the central body control system.
If you notice any of the following, the part likely needs replacement:
Multiple functions on that door not working (window, lock)
Diagnostic fault code related to the module itself
Door functions work from other switches but not the door’s own controls
Installation information
Mounted inside the door, connecting to the door wiring harness — requires the door panel to be removed for access.
Frequently asked questions
This module handles all the electrical functions for that specific door, so a fault here can affect the window, lock, and other functions simultaneously, even though each mechanism itself is fine.
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August 2026
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Toyota Avensis
August 2026
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June 2026
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