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Second Hand Mercedes-Benz ML Throttle Body

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What to check when buying a used Mercedes-Benz ML throttle body

A used throttle body that fits one vehicle won't always fit another - even within the same model range. These questions help breakers match stock to your exact vehicle before they quote:

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Used throttle body for other Mercedes-Benz models

Fitment questions

Does the Mercedes ML have a throttle body at all?

It depends on the engine: petrol-engined ML models (such as the ML350 and ML500) do have a throttle body, as they use a conventional throttle to control air intake. Diesel variants (ML270 CDI, ML300 CDI, ML350 CDI, ML420 CDI, ML63 AMG aside) do not use a traditional throttle body in the same way, as diesel engines manage load through fuel quantity rather than air throttling, so if you have a diesel ML you are unlikely to need this part. If you are unsure which engine you have, check your V5 or run a VIN check to confirm fuel type and engine code before ordering.

Will a throttle body from a W163 ML fit a W164 ML?

The W163 ran from 1997 to 2005 and the W164 from 2005 to 2011 — these are entirely different generations with different engine families, different intake systems, and different electronic configurations, so a throttle body from one will not fit the other. Even where engine displacement looks similar across generations (for example both had 3.5-litre petrols), the actual engine codes differ and the parts are not interchangeable. Always match to the engine code from your V5 or a VIN check, not the badge or displacement alone.

Does a throttle body from a 2005 W164 ML350 fit a 2009 W164 ML350?

Both fall within the W164 generation (2005–2011), and if they share the same engine code the throttle body is likely compatible, but the W164 did receive a facelift in 2008 and ancillary mounting arrangements can change within a generation at mid-production points. Confirm the engine code on both vehicles with the breaker against your registration before purchasing, as this is the safest way to verify the part will fit without modification.

Does the trim level — for example ML350 Sport versus ML350 SE — affect which throttle body I need?

No, trim level has no bearing on throttle body fitment for the ML; Sport, SE, and other trim designations reflect interior specification, exterior styling, and equipment levels rather than any change to the engine or its ancillaries. What matters is the engine code, which will be the same across trim variants sharing the same engine, so focus on matching that rather than the trim name. You can expect cosmetically different engine bay detailing between some trim levels, but the throttle body itself will be the same unit.

I have a W166 ML — does it have a throttle body?

The W166 ran from 2011 to 2015, and again fitment of a throttle body depends on whether your W166 ML is petrol-engined; petrol variants such as the ML350 BlueTEC petrol do use a throttle body, while the large majority of W166 MLs sold in the UK were diesels (ML250 BlueTEC, ML350 BlueTEC diesel), which do not use a conventional throttle body in the same sense. Check your V5 or a VIN check for your exact engine code and fuel type, and share that with the breaker so they can confirm whether this is the correct part for your vehicle.

Does throttle body fitment cross between the W164 and W166 generations?

The W164 ended in 2011 and the W166 began that same year, and while some engine families carried across generations, the throttle body and associated intake components were revised alongside the new platform. You should not assume a W164 part will fit a W166 even if the engine displacement appears identical — the engine codes need to match, and you should confirm directly with the breaker against your registration that the specific unit they hold is suitable for your generation and engine code.