Master Power Window Switch for 2139054803 (E) B_Enz E200 W213 E250 W213 E300 W213 Car Window Switch. 1 Year Warranty: Comprehensive 1-year warranty coverage for mechanical defects and performance issues. 24-Hour Response Service: Inquiry response and technical support provided within 24 hours. OEM/ODM Acceptance: Customized orders and OEM/ODM services are fully welcomed and supported. OE Number Match: Exact fitment for OE 2139054803, ensuring compatibility with specified models. High-Quality Condition: Brand new, high-performance parts with laminated glass and rigorous quality checks. Flexible Shipping Options: Express, air, and sea shipping available with delivery times ranging from 3 to 35 days. Sample Availability: Samples are available upon request with costs determined by specific model requirements. Pre-Sales OE Verification: Software-based OE number checking ensures correct part selection before shipping.