ZAPOSTS Power Window Master Switch Driver Side for Mercedes C‑Class & GLC — Direct‑Fit OEM Connector, Restores Window Control

ZAPOSTS driver-side power window master switch for select Mercedes-Benz C-Class and GLC models replaces OEM part 2059056811 and restores driver control over all windows.

If the driver-side window controls in your Mercedes have stopped responding, sticking, or the AUTO function no longer works, this direct-fit replacement switch offers an OEM-style solution. Designed to match the original connector and button layout for specific 2015–2022 Mercedes C-Class and GLC models, the unit is intended as a straightforward plug-and-play swap when the original switch matches the pictured configuration.

Which Mercedes models and years is this compatible with?

This switch fits a selection of C-Class and GLC vehicles. Confirm your exact model and compare the shape and three-pin rear connector with the product images before purchasing.

• Mercedes-Benz C300: 2015–2021
• C350e: 2016–2018; C400: 2015; C43 AMG: 2017–2021
• C63 AMG and C63 AMG S: 2016–2021 (varies by trim)
• GLC300: 2016–2021; GLC350e: 2018–2019; GLC43 AMG: 2017–2022

How do I verify this switch will replace my original part?

Compatibility depends on visual and connector matches as well as the OEM part number. Compare your original switch front profile, the presence of the 0/AUTO marking, and the rear three-pin connector to the product photos.

• Match the front faceplate shape and button layout to the listing images.
• Confirm the rear connector has the same three-pin configuration.
• Check for cross-reference part numbers: 2059056811, A2059056811, 2229056800, A2229056800, A20590568119051.

What should I know before installing the replacement switch?

Installation is straightforward but requires care to avoid damage. Always cut power to the vehicle before removing the old switch, align pins precisely, and plug in parallel to prevent bent pins or poor contact.

• Turn vehicle power off before beginning work.
• Insert the switch straight into the socket to avoid pin deformation.
• Ensure the plug fully seats and the retaining clips engage.

What problems can this switch help resolve in the driver's door?

Replacing a faulty master switch can restore proper control of all windows and the auto-up/auto-down function for the driver's window when the original hardware is the issue. This part offers the same user layout as the factory unit for a consistent driving experience.

• Restores control of individual and all passenger windows from the driver side.
• Reinstates the 0/AUTO driver window function when compatible.
• Provides a direct-replacement form and connector for a plug-and-play swap.

Who is this for: This ZAPOSTS master power window switch is aimed at owners of the listed Mercedes-Benz C-Class and GLC models who need a direct replacement for a damaged or nonfunctional driver-side control module. It’s suited to DIY mechanics and professional installers who will verify fit and OEM part equivalence before installation. If your vehicle matches the listed years and the switch visuals and three-pin connector line up with your original, this unit offers an economical way to return window control to factory-like operation. For any fitment concerns, contact the seller through the purchase page or consult vehicle-specific dealer documentation prior to purchase.