Compare prices on a used Mercedes-Benz GLS radiator fan from UK breakers. Free part request, no obligation.
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Fitment on a used radiator fan varies by vehicle, so a bit of detail goes a long way. Our request form covers what breakers need to know, so every quote you get back is for the correct part:
Yes, the GLS does have a radiator fan, though the type varies by engine. Diesel variants (such as the 350d) and some petrol variants use an electric radiator cooling fan, while older or higher-output petrol engines may use a viscous or belt-driven fan arrangement. Always confirm the exact fan type fitted to your specific engine code with the breaker before ordering.
The X166 and X167 are distinct generations with different engine offerings, cooling system layouts, and mounting arrangements, so a direct swap across this boundary is unlikely. Even where the same engine code appears in both generations, ancillary fitment and bracket positions can differ. Name the generation and engine code to the breaker and confirm against your registration before buying.
Trim level and badge name do not drive fitment here – what matters is the engine code, which you can find on your V5C or via a VIN check. The 350d and 400d use different diesel units, so the engine code is the critical detail to pass to the breaker. Colour, trim grade, and interior specification have no bearing on cooling fan fitment.
The GLS 350d of the X166 generation (2016–2019) typically used the OM642 or OM656 family diesel engine, but the exact code stamped on your block is what matters most. You can find this on your V5C logbook under 'engine number' or via a VIN decoder. Give the breaker the full engine code rather than just the badge, as this is the single most reliable way to match the correct fan.
It is possible – Mercedes occasionally made running changes to cooling and ancillary components within a production run without a formal facelift. Because of this, year-within-generation does matter and you should not assume all X166 fans are identical. Confirm against your specific registration and engine code with the breaker rather than relying on the generation name alone.
The GLS was only offered with automatic transmission throughout its production, so gearbox type is not a differentiating factor here. However, engine code and fuel type remain the key fitment details for the cooling fan. Confirm with the breaker to be sure, as some cooling setups are influenced by whether the vehicle has additional transmission or transfer case coolers fitted.