ZAPOSTS Power Window Master Switch for Mercedes-Benz Driver Side — Fits CLA/GLA/GLE (2013–2017), Direct-Fit Replacement 1669054300

This replacement driver-side power window master switch from ZAPOSTS restores full window and mirror control when the factory unit has failed or become intermittent. Built to match the original connector layout and mounting points, the switch is intended for owners who need a reliable, plug-and-play replacement without modifying wiring or dash trim. Before ordering, confirm your vehicle model and verify the front and rear connector pin layout match the images provided.

Which Mercedes models will this switch fit?

The ZAPOSTS switch covers a range of Mercedes-Benz B‑class, CLA, GLA, GLE, GL and ML model years listed below. It's targeted at models that used the same OEM part numbers and pin configuration, so confirm exact year and trim match for best results.

• Compatible in many B250, CLA250/CLA45 AMG, GLA250/GLA45 AMG model years 2013–2017.
• Fits multiple GLE variants (GLE300d, GLE350, GLE400, GLE550e, GLE63 AMG/S) across 2016–2017.
• Also fits GL and ML series models including GL350, GL450, GL63 AMG, ML250/ML350/ML400/ML63 AMG within the listed years.
• Replaces OEM numbers 1669054300, 2929054900, A1669054300, A2929054900.

How do I confirm this is the correct replacement for my car?

Match three visual details: the exterior face of your current master switch, the rear connector pin count and arrangement, and the part numbers stamped on the original unit. If all three match, this ZAPOSTS switch is engineered to be a direct replacement for those vehicles.

• Compare front face and button layout to the product photos.
• Verify the rear plug uses the same 3‑pin configuration shown.
• Confirm your OEM part number equals one of the replaced numbers listed.

What should I know about installation and safety?

Installation is intended to be straightforward for someone comfortable with basic interior trim removal. Always disconnect the vehicle battery before removing the old switch to avoid electrical shorts and preserve stored settings in vehicle systems.

• Turn off battery power before starting work on the switch.
• Align the plug exactly when inserting to avoid bent pins or poor contact.
• Ensure the harness is fully seated and clipped into place before reassembling trim.

What features and replacements does this part offer?

This master switch restores driver-side window control, including the 0/AUTO layout present in original units, and mirrors the original housing to fit factory openings. It’s supplied to match vehicle OEM connections and eliminate the need for adapter harnesses in listed models.

• Factory-style faceplate and button arrangement for clean fitment.
• Designed to replicate original 0/AUTO switch function and feel.
• Direct replacement for multiple OEM part numbers to simplify sourcing.

Who is this for: This ZAPOSTS master power window switch is aimed at Mercedes-Benz owners and independent technicians who need a dependable, cost-effective replacement for a failed driver-side control. It’s appropriate when the original switch shows intermittent operation, stuck buttons, or electrical failure and the vehicle matches the compatibility list. If you’re unsure, check the original switch visually and confirm the OEM part number before purchase; contact us through your order page for help matching images and pins.