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Mercedes-Benz GLS Window Winder Motor Replacement Parts

Get quotes for a used or replacement Mercedes-Benz GLS window winder motor. Genuine second hand parts from UK vehicle dismantlers - free request, breakers with stock reply direct.

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What to check when buying a used Mercedes-Benz GLS window winder motor

A used window winder motor that fits one vehicle won't always fit another - even within the same model range. These questions help breakers match stock to your exact vehicle before they quote:

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Used window winder motor for other Mercedes-Benz models

Fitment questions

Does a window winder motor from an older Mercedes GLS fit a newer one?

The GLS has run in two main generations: the first-generation X166 (2016–2019) and the second-generation X167 (2019–present), and motors are not reliably interchangeable across that boundary. Within the same generation, fitment is much more consistent, but you must also match the correct side (NS for nearside/passenger, OS for offside/driver) and door position. Always confirm the part against your exact registration with the breaker before buying.

Will a GLS X166 window winder motor fit a GLS X167?

The X166 and X167 are distinct generations with different door structures, so a motor from the X166 (2016–2019) should not be assumed to fit an X167 (2019–present) without verification. The door frame and regulator assembly changed between generations, making a straight swap unlikely. Confirm compatibility with the breaker using your registration number before purchasing.

Does it matter whether I need the NS or OS window winder motor on a Mercedes GLS?

Yes, it matters significantly — the nearside (NS, passenger/left) and offside (OS, driver/right) motors are door-specific and are not interchangeable with each other. The GLS is a five-door SUV, so you also need to specify whether the motor is for a front or rear door, as those differ too. Always tell the breaker exactly which door position you need.

Does the trim level affect which window winder motor I need — for example, does a GLS 350d motor fit a GLS AMG Line or a GLS 580?

Trim level does not affect window winder motor fitment on the GLS — the door shell and motor mechanism are the same regardless of whether the car is a standard specification, AMG Line, or a higher-output variant like the 580. What matters is generation (X166 or X167), the door position, and the side (NS or OS). You may find trim-level cosmetic differences inside the door card, but those do not affect whether the motor fits.

I have a 2019 Mercedes GLS — will a motor from a 2018 GLS fit it?

This is a critical year to check carefully, because the GLS moved from the first-generation X166 to the second-generation X167 during 2019, meaning a 2018 car is an X166 while a late-2019 car may be an X167. Whether a 2018 motor crosses that generation boundary to fit a 2019 car is something you must confirm with the breaker against both registrations, as the generations differ in door design. Do not assume fitment based on the model year alone.

Does the engine choice affect which window winder motor I need on a Mercedes GLS?

No — the engine has no bearing on window winder motor fitment whatsoever, whether you have a diesel 350d, a petrol 400, or any other variant. What determines the correct motor is the generation (X166 2016–2019 or X167 2019–present), the door side (NS or OS), and the door position (front or rear). Focus on those details when speaking to a breaker.