Used Mercedes-Benz GLA Brake

The Mercedes-Benz GLA first generation (X156) ran from 2014 to 2019, with a facelift in 2017, so a 2014 and a 2018 car sit either side of that facelift boundary. Engine size matters more than the facelift year for brake fitment, so confirm with the breaker against both registrations before buying, as brake disc and caliper dimensions can change across a facelift refresh. Never assume fitment without that check.

Both matter: the GLA X156 generation runs 2014–2019, and within that range Mercedes fitted different brake sizes depending on engine output, so a 220d or AMG-line variant can carry larger brakes than a 180 or 200. Always give the breaker your full registration so they can cross-reference the exact spec, not just the model year. Running gear follows power and weight more than the calendar.

Trim level alone – SE, Sport, AMG Line – does not change the brake specification on the GLA; what drives fitment is the generation (X156, 2014–2019) and the engine size. You may receive a caliper in a different colour if the breaker pulls the part from an AMG Line car, but that is cosmetic only and will not affect function. Confirm the engine size matches and you should be fine, but always verify with the breaker against your registration.

No – the second-generation GLA (H247) launched in 2020 on a completely different platform to the first-generation X156, so brakes do not interchange between the two. Always make sure the breaker knows which generation you have; quoting your registration is the safest way to avoid an expensive mistake.

Both years fall within the first-generation X156 (2014–2019), and the 2017 model year is around the facelift point, so there is a boundary to be aware of. Engine size matches (220d to 220d), which is the most important factor, but whether the specific discs and calipers are identical across that facelift year is something you should confirm with the breaker against both registrations rather than assume. A good breaker will cross-reference the part numbers before dispatch.

For calipers, yes – nearside (NS, passenger side) and offside (OS, driver side) are not the same part and a breaker will need to know which corner you need. Discs and pads are typically the same left and right on an axle, but always confirm with the breaker if you are unsure. Quote your registration and specify the corner to avoid receiving the wrong part.