Cheap Mercedes-Benz B-Class Window Winder Motor
Get quotes for a used or replacement Mercedes-Benz B-Class window winder motor. Genuine second hand parts from UK vehicle dismantlers - free request, breakers with stock reply direct.
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A buyer's guide to used Mercedes-Benz B-Class window winder motor
No two window winder motors are quite the same across different vehicles, so getting the specifics right matters when you buy used, second hand or a replacement. Answer a few quick questions below and breakers will only quote if they have the exact matching part in stock:
- Specify front/rear and left/right
- State if it needs to include the regulator
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Used window winder motor for other Mercedes-Benz models
Fitment questions
Does a window winder motor from a 2012 B-Class fit a 2015 B-Class?
The second-generation B-Class (W246) ran from 2011 to 2018, so both years sit within the same generation, which is a good starting point for compatibility. However, there was a facelift in 2014 that may have brought minor changes to door internals, so whether a pre-facelift (2011–2014) motor crosses cleanly into a post-facelift (2014–2018) car is worth confirming with the breaker against your registration. Always specify the door side (NS for passenger-left, OS for driver-right) when requesting a quote.
Will a W245 B-Class window motor fit a W246 B-Class?
The W245 (first generation, 2005–2011) and the W246 (second generation, 2011–2018) are entirely different platforms, so the window winder motors are not interchangeable between them. Make sure any part you source is matched to the correct generation, and give the breaker your full registration so they can verify the exact door specification.
Does it matter whether I need the NS or OS window winder motor on a B-Class?
Yes, this matters significantly — window winder motors are side-specific, so a nearside (NS, passenger/left) motor will not swap directly for an offside (OS, driver/right) motor. Always tell the breaker which side you need, quoting NS or OS, along with your registration to confirm the correct part.
Does the trim level affect which window winder motor I need — for example, will a Sport motor fit my SE B-Class?
Trim level does not affect window winder motor fitment on the B-Class — the motor itself is determined by the generation, door position, and side, not whether the car is an SE, Sport, or Urban. You may find cosmetic differences such as different door-card finishes when sourcing from a donor car, but the motor mechanism underneath is not trim-specific. Confirm the generation and side with the breaker and you should be fine.
Does the engine size matter when sourcing a B-Class window winder motor?
No — engine choice has no bearing on window winder motor fitment whatsoever, so whether your B-Class is a diesel or petrol makes no difference to the part you need. Focus instead on confirming the generation (W245 2005–2011 or W246 2011–2018), the door side (NS or OS), and providing your registration to the breaker.
I have a 2016 B-Class — can I use a motor from a 2013 car?
Both years fall within the W246 generation (2011–2018), but the 2013 car is from before the 2014 facelift while the 2016 car is post-facelift, which means there is a generational boundary between them that may affect compatibility. We'd recommend confirming with the breaker directly, quoting both registrations, to make sure the motor from the earlier car crosses that facelift boundary safely for your door position and side.