Mercedes-Benz ML Cylinder Head Replacement Parts
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Choosing the right used Mercedes-Benz ML cylinder head
Used cylinder heads 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:
- State whether it's petrol or diesel
- State the engine code if known
Other used Mercedes-Benz ML parts
- Used Mercedes-Benz ML Fuel Injection Pump
- Used Mercedes-Benz ML Gearbox
- Used Mercedes-Benz ML Alternator
- Used Mercedes-Benz ML Differential
- Used Mercedes-Benz ML Engine
- Used Mercedes-Benz ML Wheel Hub
- Used Mercedes-Benz ML Radio
- Used Mercedes-Benz ML Front Grille
- Used Mercedes-Benz ML Battery
- Used Mercedes-Benz ML Bumper
- Used Mercedes-Benz ML Parcel Shelf
- Used Mercedes-Benz ML Indicator Stalk
Used cylinder head for other Mercedes-Benz models
Fitment questions
Does a cylinder head from a 2006 ML fit a 2009 ML?
The W164 generation covers 2005 to 2011, so a 2006 and a 2009 are within the same generation — but fitment of the cylinder head depends primarily on the engine code, not the model year alone. Locate your engine code on the V5 or via a VIN check and give it to the breaker, as there were several petrol and diesel units available across those years. Never assume year-range alone guarantees the head will bolt straight on without the breaker confirming against both engine codes.
Will a cylinder head from a W163 ML fit my W164 ML?
The W163 ran from 1997 to 2005 and the W164 from 2005 to 2011 — these are entirely different generations with different engines, so a cylinder head from a W163 will not cross to a W164. Even where engine displacements look similar on paper, the internal architecture and head design changed significantly between generations. Always match by engine code, not by model name.
Does the cylinder head differ between the ML 270 CDI and the ML 320 CDI?
Yes — the 270 CDI uses the OM612 five-cylinder engine and the 320 CDI uses the OM642 V6, so the cylinder heads are completely different and are not interchangeable. Engine code is the definitive guide here, and both codes should be visible on the V5 or confirmed via a VIN check. Give your engine code to the breaker rather than relying on the displacement badge alone.
Does trim level — for example ML Sport versus ML SE — affect which cylinder head fits?
No, trim level has no bearing on cylinder head fitment for the Mercedes-Benz ML — Sport, SE, and any other trim variants share the same engine options and the head is determined entirely by the engine code. You may find cosmetic differences between stripped donor vehicles (different interior parts, alloys, or body styling), but these have no mechanical relevance to the head. Confirm your engine code with the breaker and ignore the trim name entirely when sourcing this part.
My ML had a facelift — does that change which cylinder head I need?
The W164 received a facelift in 2008, and while the visual updates were notable, the core engine codes largely carried over rather than being replaced at that point. That said, whether a pre-facelift head fits a post-facelift engine is something you should confirm with the breaker against both registration numbers, as ancillary or mounting details can change mid-production. Giving the breaker your exact engine code is the safest route.
Can I use a cylinder head from a higher-mileage ML as long as the engine code matches?
Engine code matching is the essential first step, but with a used cylinder head from a breaker you should also ask about the condition of the head face, whether it has been skimmed, and the state of the valves — high mileage alone does not disqualify a head if it has been properly inspected. UK breakers will often grade parts or can advise on the donor vehicle's history and mileage. A matching engine code is necessary but not sufficient — condition matters equally on a precision component like this.