This high-quality power window master switch is designed as a direct replacement for Mercedes-Benz C-Class vehicles with the OEM part number A2059050302. It controls the vehicle’s power windows and door locks from the driver’s side, featuring intuitive buttons for window operation and mirror adjustment. Constructed with durable plastic and precision-engineered contacts, it ensures reliable performance and long service life, resisting common electrical faults and wear. The precise fit allows for straightforward installation without modifications, matching the original mounting points and connectors perfectly. A faulty window switch can cause non-functional windows, intermittent operation, or safety issues, making this replacement part essential for restoring full functionality to your vehicle. Ideal for both professional mechanics and DIY repairs, this switch meets standard specifications for fit, durability, and performance.