Mercedes-Benz E-Class Air Flow Meter Replacement Parts

Yes, most petrol-engined E-Class variants use a mass air flow (MAF) sensor, and many diesel variants do too, so it is a genuine and commonly stocked part at UK breakers. The exact type fitted depends heavily on which engine is under the bonnet, so the engine code from your V5 or a VIN check is the most useful thing to have ready when requesting quotes. Diesels and petrol engines use different units, and even within the same fuel type the sensor can vary between engine families.

The W211 and W212 are distinct generations with different engine families, so an air flow meter from one will not simply cross over to the other — even if the fuel type and displacement appear similar on paper. The safest approach is to match the engine code exactly: pull yours from the V5 or a VIN decoder and ask the breaker to confirm the donor vehicle shares the same code. Never assume fitment across a generation boundary without that check.

No — body style makes no difference to air flow meter fitment on the E-Class. The MAF sensor is determined entirely by the engine code, fuel type, and in some cases gearbox type, not by whether your car is a saloon, estate, or coupe. Tell the breaker your engine code and registration rather than your body style.

Trim level has no bearing on air flow meter fitment whatsoever. Avantgarde, SE, and AMG Line are specification packages that affect interior, wheels, and cosmetics, not the engine hardware. What matters is the engine code fitted to your car, which can be the same across all trim levels at a given displacement, or different if AMG Line, for instance, is paired with a different engine variant — so always lead with the engine code.

The W212 received its facelift in 2013, and while the core engine codes were carried over into the facelift, there can be ancillary and calibration changes mid-production that affect sensor compatibility. Name the facelift boundary to the breaker and confirm against your specific registration, as this is one area where routing the question to the breaker rather than assuming a straight swap is the right call. Your engine code remains the primary matching point, but the breaker should cross-reference the donor car's production date alongside it.

This is something you should confirm directly with the breaker and your fitting garage rather than assume either way, as ECU pairing and immobiliser behaviour on used sensors can vary and is not something that can be stated as fact here. In many cases a replacement MAF sensor is a plug-and-play fit, but on some configurations software attention may be needed. Ask the breaker whether the unit has any known electronic provisos, and flag it to whoever is fitting the part.