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Cheap Mercedes-Benz GLS Sump

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Choosing the right used Mercedes-Benz GLS sump

Used sumps 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:

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Fitment questions

Will a sump from a 2018 Mercedes-Benz GLS fit my 2022 model?

The GLS moved from the first generation (X166, 2016–2019) to the second generation (X167, 2019 onwards), so a 2018 and a 2022 unit come from different generations with different engine families and sump designs. The engine code is the critical detail here — check your V5 or run a VIN check to get it, then confirm with the breaker whether the specific sump crosses that X166-to-X167 boundary. Never assume fitment based on year alone.

Does the sump from a GLS 350d fit a GLS 400d?

These are different engines — the 350d uses a different engine code from the 400d — so the sumps are unlikely to be interchangeable even though both are diesel GLS models. Always quote your exact engine code (found on your V5 or via a VIN check) to the breaker rather than relying on the badge or displacement figure. Trim and badge names do not determine sump fitment; the engine code does.

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

No, trim level does not affect sump fitment — the sump follows the engine, not the trim. An AMG Line and a standard GLS sharing the same engine code will use the same sump, so you do not need to seek out a specific trim-level donor vehicle. Just confirm your engine code with the breaker and that is the detail that matters.

I have a 2017 GLS 350d X166 — will a sump from a 2016 model fit?

Both fall within the X166 generation (2016–2019), and if they share the same engine code the sump is likely compatible. However, confirm with the breaker against your registration, as ancillary and mounting details can change mid-production even within a generation. Providing your engine code gives the breaker the best chance of matching you correctly.

Can I use a petrol GLS sump on my diesel GLS?

No — petrol and diesel engines have entirely different sump designs and are not interchangeable. Fuel type is one of the key fitment factors for a sump, so always make clear to the breaker whether your vehicle is petrol or diesel. Your engine code will confirm this and is the most reliable detail to supply.

Does it matter whether my GLS is an automatic or manual when sourcing a sump?

The sump sits on the engine rather than the gearbox, so gearbox type is generally less critical for sump fitment than the engine code itself. That said, always supply your engine code and confirm with the breaker, as some engine and transmission combinations can influence sump or associated mounting configurations. The engine code remains the single most useful detail you can provide.