Power Window Master Switch ABS for Mercedes-Benz W212 W204 W207
Restore reliable window and mirror operation with this Power Window Master Switch built from durable ABS for Mercedes-Benz W204, W212, W207, and X204 platforms. Designed as a direct aftermarket replacement, this unit targets common failures like unresponsive controls, intermittent glass movement, or sticky lock mechanisms caused by degraded internal connections. Each switch undergoes factory testing to verify smooth button actuation and stable electrical contact, helping you regain full driver authority over cabin access and visibility.
Benefits & Tips
- Confirm Exact Part Number: Cross-reference the code on your existing module (e.g., A2049055402, A2128208310, or A2049053905) with your vehicle details to ensure perfect fitment before purchase.
- Inspect Connector Condition: When removing the old unit, check the wiring harness plug for bent pins or corrosion; repairing connection issues preserves the lifespan of the new master switch.
- System Reset: Cycle the ignition key on and off several times after installation to allow the vehicle's control modules to adapt to the restored component functionality.
Specifications
- Model Name: A2049055402
- OEM Reference Numbers: A2049055402, A2128208310, A2049053905, A2048703558, A2048700251
- Housing Material: ABS
- Certification: CCC
- Configuration: Master Control Switch with Integrated Functions
- Application: For Mercedes-Benz W204 C-Class Sedan (2008–2014)
- Application: For Mercedes-Benz W204 C-Class Coupe (2008–2015)
- Application: For Mercedes-Benz W212 E-Class Sedan/Wagon (2010–2016)
- Application: For Mercedes-Benz C207/A207 E-Class Coupe/Convertible (2010–2017)
- Application: For Mercedes-Benz X204 GLK-Class (2010–2015)
Package Includes
- 1x Power Window Master Switch Assembly
Warnings & Notes
- This is an aftermarket replacement product and is not a genuine original equipment part.
- Professional installation is strongly advised due to the integration with the vehicle's electronic control systems.
- Written installation instructions are not included with the shipment.
- Verify the physical layout and model designation of your current switch prior to buying, as configurations vary across different markets and production dates.
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