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Second Hand Mercedes-Benz GLS Water Pump

Get quotes for a used or replacement Mercedes-Benz GLS water pump. Genuine second hand parts from UK vehicle dismantlers - free request, breakers with stock reply direct.

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Choosing the right used Mercedes-Benz GLS water pump

Used water pumps vary between vehicles - and whether you call it used, second hand or a replacement, matching the right one matters. These are the details breakers need to match the right part to your car - our request form asks them so you only hear from suppliers with the correct part:

Other used Mercedes-Benz GLS parts

Used water pump for other Mercedes-Benz models

Fitment questions

Does a water pump from an older Mercedes-Benz GLS fit a newer one?

The GLS exists in two main generations: the first-generation X166 (2016–2019) and the second-generation X167 (2019–present), and water pump fitment is determined primarily by engine code rather than the generation label alone. A pump from an X166 is unlikely to cross directly to an X167 because the engine families differ, but even within a generation there are multiple diesel and petrol engine variants with different pumps. Always match by engine code — found on your V5 or via a VIN check — before assuming year-range compatibility. Confirm the specific interchange with the breaker against your registration.

Will a water pump from a GLS 350d fit a GLS 400d?

The 350d and 400d use different diesel engine codes — the 350d uses the OM642 V6 and the 400d uses the OM656 inline-six — so their water pumps are not the same part. Engine code is the key detail here, and these two units are mechanically quite different despite both being diesel GLS models. Always tell the breaker your engine code rather than just the badge name to make sure you get the correct pump.

Does the trim level affect which water pump I need — for example, does an AMG Line GLS need a different pump to a standard GLS?

No — AMG Line, AMG Line Premium, and standard GLS trims are cosmetic and equipment packages that do not change the engine or water pump specification. What matters is the engine code, which is shared across trim levels fitted with the same engine. Tell the breaker your engine code and fuel type and the trim name can be safely ignored for this part.

I have a 2019 GLS — is it the old X166 shape or the new X167, and does it matter for the water pump?

The X167 second-generation GLS was introduced in 2019, so a 2019 car could potentially be either generation depending on its exact build date and registration date. This boundary matters because the X166 and X167 use different engine families with different water pumps. Check your engine code on the V5 or via a VIN check and confirm with the breaker which generation your specific vehicle belongs to before ordering.

Do petrol and diesel GLS models use the same water pump?

No — petrol and diesel variants of the GLS use entirely different engines and completely different water pumps, so fuel type is one of the first things to establish. Within the diesel range there are also differences between engine codes such as the OM642 and OM656, and within the petrol range between units like the M276 and M176. Always supply your engine code and fuel type to the breaker to ensure the correct pump is sourced.

Is a used water pump from a Mercedes-Benz GL suitable for my GLS?

The GLS was known as the GL-Class before Mercedes renamed the range in 2016, so the X166-generation GLS (2016–2019) is mechanically closely related to the late X166 GL — and a water pump from that donor vehicle may well be compatible if the engine codes match. However, ancillary and mounting details can change during a production run, so do not assume compatibility purely on the basis of the name change. Supply your exact engine code to the breaker and ask them to confirm fitment against your registration before purchasing.