Second Hand Mercedes-Benz CLS Brake Master Cylinder
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A buyer's guide to used Mercedes-Benz CLS brake master cylinder
No two brake master cylinders 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:
- State if ABS is fitted
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Used brake master cylinder for other Mercedes-Benz models
Fitment questions
Does the Mercedes-Benz CLS actually have a brake master cylinder?
Yes, the CLS has a conventional hydraulic braking system and is fitted with a brake master cylinder as standard across all variants. This applies to every engine option and both generations of the CLS, so sourcing a used unit from a breaker is a straightforward starting point.
Will a brake master cylinder from a first-gen CLS (C219, 2004–2010) fit a second-gen CLS (C218, 2011–2018)?
The C219 and C218 are distinct generations with different bodyshells and braking system specifications, so a direct swap across that 2010–2011 boundary is unlikely to be straightforward. Engine size can also influence the master cylinder spec within each generation, so confirm the donor car's exact engine against your registration with the breaker before buying.
Does engine size affect which brake master cylinder fits my CLS?
Yes, engine size can matter here — larger, more powerful engines in the CLS range (such as the CLS 63 AMG versus the CLS 250 CDI) may run uprated braking hardware including a different master cylinder specification. Always tell the breaker your exact engine variant alongside your registration so they can match the correct unit.
Does the trim level affect which brake master cylinder I need — for example, does a CLS 350 use the same one as a CLS 500?
Trim level and interior specification make no difference to brake master cylinder fitment, but engine displacement and output do, which is why a CLS 350 and a CLS 500 may not share the same unit despite looking identical from the outside. Confirm your engine size and registration with the breaker rather than relying on trim name alone.
My CLS is a facelift C218 (post-2014) — will a pre-facelift C218 master cylinder fit it?
The C218 received a facelift around 2014 but the underlying platform and braking architecture were carried over, making interchange within the same engine variant plausible. However, whether any mid-generation brake system updates were made is something you should confirm with the breaker against your specific registration, as we cannot state this as fact.
Is there anything else I should check when sourcing a used CLS brake master cylinder from a breaker?
Beyond matching generation and engine size, it is worth checking the condition of the reservoir and any attached sensors, as these components can vary and affect compatibility with your ABS and brake warning systems. Give the breaker your full registration number so they can cross-reference the exact part needed for your vehicle.