Mercedes-Benz C-Class Air Flow Meter Replacement Parts
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A buyer's guide to used Mercedes-Benz C-Class air flow meter
No two air flow meters are quite the same across different vehicles, so getting the specifics right matters when you buy used, second hand or a replacement. Answer a few quick questions below and breakers will only quote if they have the exact matching part in stock:
- State whether it's petrol or diesel
- State the engine code if known
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Fitment questions
Does a Mercedes-Benz C-Class have an air flow meter, and which versions have one?
Yes, the C-Class does use a mass air flow (MAF) meter, but not on every engine variant. Petrol engines generally use a MAF sensor as part of the fuel management system, and some diesel engines do too, though diesel fitment varies more by generation and engine code. If you have a diesel C-Class, confirm with the breaker against your registration before ordering, as not all diesel variants use a MAF in the same way.
Will a W203 C-Class air flow meter (2000–2007) fit a W204 C-Class (2007–2014)?
These are two separate generations — the W203 ran from 2000 to 2007 and the W204 from 2007 to 2014 — and the air flow meter does not transfer across that boundary. Even where engine families appear similar, the sensors, connectors, and ECU calibration differ between generations. Name the generation and your engine code when asking breakers so they can match the correct unit.
Does it matter whether my C-Class is a saloon, estate, or coupe when buying an air flow meter?
No — body style makes no difference to air flow meter fitment. The MAF sensor follows the engine, not the body shape, so a saloon, estate, or coupe with the same engine code will use the same unit. Focus on supplying your engine code, which you can find on your V5C or via a VIN check, rather than worrying about body style.
Does the trim level — for example SE, Sport, AMG Line, or AMG — affect which air flow meter I need?
Trim level alone does not determine which air flow meter you need. What matters is the engine code, since SE and Sport trims sharing the same engine as an AMG Line will use the same MAF sensor, while a full AMG variant with a different engine will need a different unit. Give the breaker your engine code rather than just the trim name to avoid being sent the wrong part.
I have a W204 C-Class — will a pre-facelift (2007–2011) air flow meter fit a post-facelift (2011–2014) car?
The W204 received a facelift in 2011, and while many mechanical components carried over, ancillary sensor specifications can change mid-production even within the same generation. Name the facelift boundary to any breaker you contact and confirm fitment against your specific registration, as the connector type or calibration may differ. Your engine code is the most reliable detail to supply alongside your registration number.
Does the gearbox type — manual or automatic — affect which air flow meter fits my C-Class?
In most cases the air flow meter follows the engine code rather than the gearbox, so a manual and an automatic C-Class with the same engine will typically use the same MAF sensor. However, always supply both your engine code and your registration to the breaker to rule out any variant-specific differences, as some engine and gearbox combinations were tuned differently.