Second Hand Mercedes-Benz Citan AC Compressor

The Citan W415 ran from 2012 to 2021, so within that generation there is a reasonable chance of interchange if the engine codes match — the engine code is the single most reliable guide for AC compressor compatibility, sitting above the year alone. A facelift arrived around 2018 bringing some updates, so for a donor vehicle that crosses that boundary you should confirm with the breaker against your registration before buying. Never rely on year alone.

No — fuel type directly affects which compressor is fitted, as diesel and petrol variants of the Citan use different engines with different compressor specifications. Always match on engine code, which you can find on your V5C or via a VIN check, rather than assuming fuel type alone is enough. Tell the breaker your exact engine code and they can verify the match.

Trim level does not affect AC compressor fitment on the Citan — the compressor follows the engine code, not whether the vehicle is a panel van, Traveliner, or crew cab. You may find cosmetic and interior differences between those variants, but the mechanical AC system is determined by the engine. Confirm the engine code matches and trim can be ignored.

Both years fall within the W415 generation (2012–2021), but 2018 is around the facelift point and there may have been ancillary or mounting changes around that time. Match on engine code first, and then confirm with the breaker against your registration whether the specific compressor from a pre-facelift 2016 donor crosses that boundary cleanly. The breaker can check this against your reg before despatch.

The most important detail is your engine code, found on your V5C or via a VIN check — this tells the breaker far more than the year or badge alone. You should also supply your registration, fuel type, gearbox type, and the year of your vehicle so the breaker can cross-reference everything. Questions around whether the compressor needs coding or pairing to your vehicle's ECU are best raised directly with the breaker before purchase.

The second-generation Citan W420 launched in 2022 and represents a completely new platform, so parts compatibility between W415 (2012–2021) and W420 (2022 onwards) cannot be assumed — treat them as separate vehicles. Engine codes changed significantly between generations, reinforcing that a direct swap is unlikely without specialist confirmation. Always give the breaker both your registration and engine code so they can check compatibility precisely.