Power Window Master Switch Assembly New Driver Side for Mercedes-Benz GL ML350 W251 X164
Upgrade your Mercedes-Benz window control with this New Driver Side Power Window Master Switch designed for GL, ML, and R-Class models (W251 / X164). This OEM-style replacement matches the original part in form, function, and fit, ensuring smooth operation after installation.
Crafted from durable plastic, this 100% new switch has been factory tested for stability and reliability. Its plug-and-play design makes installation straightforward for DIY enthusiasts and technicians alike, allowing you to restore quick, one-touch power windows without the hassle of worn-out switches.
Compatibility covers several 2010–2012 Mercedes-Benz models, including GL450, GL350 Bluetec, GL550, and R350 variants. The product supports part numbers A2518300390 (251 830 03 90) and A2518300590 (251 830 05 90), giving you confidence you’re buying the right replacement.
Benefits & Tips
- Restores full driver-side window control with precise, reliable up/down action, reducing manual effort and frustration on hot days or in traffic.
- Durable plastic build and 100% new construction help maintain long-term reliability and protect against intermittent window operation common with worn switches.
- Tip: When replacing, disconnect the vehicle battery, remove the door panel as instructed by your service manual, unplug the old switch, and connect the new switch ensuring the connector pins align securely. If unsure, compare the part numbers (A2518300390 or A2518300590) or share photos for compatibility checks.
Product specifications
- Brand: None
- Condition: 100% New
- Item Type: Window Control Switch
- Model: A2518300390 (251 830 03 90) and A2518300590 (251 830 05 90)
- Material: Plastic
- Dimensions: Length 20 cm × Width 6 cm × Height 5 cm
- Weight: 0.26 kg
- Origin: Mainland China
- Special Features: Main Cruise Control Switch
- Compatibility: For 2010–2012 Mercedes-Benz GL450, GL350 Bluetec, GL550, R350, and related variants (W251/X164)
Package includes:
- 1 x New Driver Side Power Window Master Switch for Mercedes-Benz GL/ML/R-Class (W251 / X164) — compatible with part numbers A2518300390 (251 830 03 90) or A2518300590 (251 830 05 90).
Warnings / Reminders
Attention: To avoid unnecessary trouble, please confirm item fit for your car before purchasing. If unsure, provide the part number or send photos for verification.
All electronic and mechanical equipment, devices and machines sold by InterCyprus to EU countries are CE certified and carry a two year warranty.
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