Second Hand Mercedes-Benz Citan Water Pump

Yes, all petrol and diesel variants of the Mercedes-Benz Citan have a water pump, as they use liquid-cooled engines that require one to circulate coolant. The Citan is based on the Renault Kangoo platform and shares engines with that family, so the water pump is a real and serviceable part on every variant. If you have a hybrid or electric version, confirm with the breaker as the cooling system layout differs significantly from a conventional combustion engine.

The first-generation Citan (W415) ran from 2012 to 2021 and was based on the Renault Kangoo II, sharing its engine family. The second-generation Citan (W420) launched in 2021 onwards and moved to Mercedes-developed engines, making it a very different vehicle mechanically. Water pumps from the W415 and W420 generations are not interchangeable, so always confirm which generation you have before sourcing a used unit from a breaker.

Both years fall within the first-generation W415 Citan (2012–2021), so they share the same basic platform, but fitment still depends primarily on your engine code rather than the year alone. The W415 used a range of 1.5 dCi diesel and petrol engines sourced from Renault, and the water pump design follows the engine code, not the model year. Supply your engine code — found on your V5C or via a VIN check — to the breaker so they can confirm the correct unit.

Trim level makes no difference to water pump fitment on the Citan — Pure, Pro, and Progressive are specification packages that affect interior equipment, comfort features, and cosmetics, not the engine or cooling system. What matters is your engine code, fuel type, and which generation you have. When buying from a breaker, ignore the trim name entirely and focus on matching the engine code.

Because the W415 Citan was built on the Renault Kangoo II platform and shares its engine family, there is a reasonable chance of parts compatibility with Kangoo units using the same engine code. However, ancillary and mounting details can vary between the Mercedes and Renault-badged versions even on the same base engine, so you should confirm compatibility with the breaker against your specific registration and engine code before purchasing. Do not assume a Kangoo pump will simply drop in without this check.

Yes, 2021 marks a significant generational change: the W420 Citan moved away from Renault-sourced engines to Mercedes-family units, so a water pump from a pre-2021 W415 will not cross over to a post-2021 W420. Even within each generation, your engine code is the definitive guide to which pump you need. Always give the breaker your full engine code and registration so they can confirm the correct part for your specific vehicle.