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Cheap Mercedes-Benz B-Class Clutch Master Cylinder

Compare prices on a used Mercedes-Benz B-Class clutch master cylinder from UK breakers. Free part request, no obligation.

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Choosing the right used Mercedes-Benz B-Class clutch master cylinder

Used clutch master cylinders vary between vehicles - and whether you call it used, second hand or a replacement, matching the right one matters. These are the details breakers need to match the right part to your car - our request form asks them so you only hear from suppliers with the correct part:

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Fitment questions

Does the Mercedes-Benz B-Class have a clutch master cylinder?

Only manual-gearbox B-Class models have a clutch master cylinder — and in practice, the vast majority of B-Class cars sold in the UK were fitted with an automatic or dual-clutch (7G-DCT) gearbox, so most B-Class owners will never have this part. If your B-Class has a manual gearbox (a relatively rare configuration), then a clutch master cylinder will be present; if it has an automatic or DCT transmission, no clutch master cylinder exists on the car at all. Before searching for this part, check your V5 or a VIN check to confirm your gearbox type — if you're unsure what you have, your local breaker can confirm from your registration.

My B-Class has a manual gearbox — will a clutch master cylinder from a W245 (2005–2011) fit my W246 (2011–2018)?

The W245 (first-generation B-Class, 2005–2011) and the W246 (second-generation, 2011–2018) are entirely different platforms, so a clutch master cylinder from a W245 is very unlikely to cross over to a W246. The engine codes, bulkhead layouts, and hydraulic line routing differ between generations, making direct interchangeability unlikely. Confirm the exact part number against your engine code with the breaker before purchasing.

Will a clutch master cylinder from a pre-facelift W246 (2011–2014) fit a post-facelift W246 (2014–2018)?

Both sit within the same W246 generation, so fitment is more plausible, but ancillary and mounting details can change mid-production at a facelift point and we can't state these are definitely identical. The most important thing to supply the breaker with is your engine code (found on your V5 or via a VIN check), as the hydraulic component spec follows the engine rather than the facelift styling. Confirm compatibility against your exact registration with the breaker before buying.

Does the trim level affect which clutch master cylinder I need — for example, does a B 180 SE need a different one to a B 200 AMG Line?

Trim level — SE, Sport, AMG Line, Urban, or any other — has no bearing on clutch master cylinder fitment whatsoever, as this is a purely mechanical hydraulic component. What matters is your engine code and whether your car has a manual gearbox; two cars with different trim badges but the same engine code and gearbox type will use the same part. Focus on supplying the breaker with your engine code rather than your trim name.

I've found a used clutch master cylinder from a B 180 — will it fit my B 200?

The B 180 and B 200 badges don't tell the full story, because Mercedes used different engine codes across model years even under the same badge, and it's the engine code that determines which clutch master cylinder is correct. Pull your engine code from your V5 or a VIN check and ask the breaker to match it to the donor car's engine code rather than relying on the badge alone. Never assume badge-to-badge means part-to-part on Mercedes-Benz models.