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CP247
Gallery
BrandVALEO
MPN366954
OE refs2
SKU0021-366954
GTIN / EAN3276423669545

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Details

SpecificationValue
BrandVALEO
Voltage [V]14 V
Length [mm]250 mm
Width [mm]64 mm
Height [mm]130 mm
Weight [kg]0,377 kg
Number of pins4 -pin connector

OE/OEM numbers (2)

Search by this OE number to find compatible parts

Where this part fits

Original-fit position for OE A6420900048. The red ring marks where this part installs on the vehicle.

PART — Others
OthersPosition main

About this product

When mass air flow sensor performance matters, the VALEO 366954 delivers — built to the same dimensional and material standards as the original part it replaces. The part is built to the following specification: Voltage [V]: Nylon V, Length [mm]: 250 mm, Width [mm]: 64 mm, Height [mm]: 130 mm, Weight [kg]: 0, 377 kg. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Compatible with MERCEDES-BENZ vehicles; use the vehicle selector above to confirm exact fitment for your make, model, and engine variant. Fitment data is sourced from TecDoc, the authoritative European parts catalogue. This part supersedes original equipment references: 30426, 38.1061A2, 381061A2, 3926A0417 and 9 more. Matching these numbers confirms a like-for-like replacement with no loss of function. VALEO is a recognised supplier of automotive replacement components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.

About VALEO

Valeo, founded in 1923 in Saint-Ouen, France, is a major global automotive supplier with expertise spanning multiple vehicle systems. Valeo specialises in clutch kits, alternators, starters, wiper systems, lighting, and thermal management components. As an OE supplier to Peugeot, Renault, Citroën, Volkswagen, and many others, Valeo products maintain factory-quality standards. With 19 research centres worldwide and a strong focus on innovation, Valeo combines French engineering heritage with cutting-edge automotive technology for dependable replacement parts.

Suitable cars

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Mass Air Flow Sensor VALEO 366954compatible car models

Car modelsMERCEDES-BENZ: C-CLASS T-Model (S204), C-CLASS (W204), CLS (C218), CLS Shooting Brake (X218), E-CLASS All-Terrain (S213), E-CLASS Convertible (A207), E-CLASS Convertible (A238), E-CLASS Coupe (C207), E-CLASS Coupe (C238), E-CLASS T-Model (S212) (+18 more)
EnginesC 300 CDI 4-matic (204.292); C 300 CDI 4-matic (204.092); CLS 350 BlueTEC / d (218.326); CLS 350 BlueTEC / d (218.926); E 350 d 4-matic (213.237); E 350 BlueTEC (207.426); E 350 d 4-matic (238.434); E 350 BlueTEC (207.326); E 350 d 4-matic (238.334); E 300 CDI (212.220); E 350 d (213.233); E 300 CDI (212.020); E 350 d (213.033); G 350 CDI; G 350 CDI (463.346) (+13 more)
Year of manufacture1989-2023
Manufacturer article number (MPN)366954
OE part numbers6420900048, A6420900048
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Description and what's included

VALEO 366954 . Connector Shape: 2. Height [mm]: 130 mm. Housing Type: 0. Length [mm]: 250 mm. Number of pins: 4 -pin connector. Sensor Type: 17. Voltage [V]: 14 V. Weight [kg]: 0,377 kg

What's included:
  • 1x Mass Air Flow Sensor
Shipping, returns, warranty

Free UK delivery on orders over £99.00. Express and standard shipping available.

  • Standard delivery: 2-5 business days
  • Express delivery: 1-2 business days
  • Free returns within 14 days
  • All parts backed by manufacturer warranty

Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.

Frequently Asked Questions

Is this Mass Air Flow Sensor compatible with my car?

This Mass Air Flow Sensor fits MERCEDES-BENZ vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.

What specifications does this VALEO Mass Air Flow Sensor have?

This VALEO Mass Air Flow Sensor has the following specifications: Voltage [V]: 14 V; Length [mm]: 250 mm; Width [mm]: 64 mm; Height [mm]: 130 mm; Weight [kg]: 0,377 kg; Sensor Type: 17. Check the full specifications table above for complete details.

What OE part numbers does this Mass Air Flow Sensor replace?

This Mass Air Flow Sensor replaces OE part numbers: 6420900048, A6420900048. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.

How much does a Mass Air Flow Sensor cost?

This VALEO Mass Air Flow Sensor is available for £162.99. Mass Air Flow Sensor prices vary depending on brand, specifications, and vehicle compatibility. VALEO parts offer a balance of quality and value, backed by our 14-day money-back guarantee.

How do I know when to replace my Mass Air Flow Sensor?

Signs include a check engine light with mass airflow codes, rough or unstable idle, black smoke and over-fuelling, engine hesitation during acceleration, or difficulty starting. Clean the sensor first — replacement may not always be needed.

What tools do I need to replace a Mass Air Flow Sensor?

Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the Mass Air Flow Sensor fitted by a professional mechanic.

Can I use this part as a replacement for OE 6420900048?

Yes, this VALEO Mass Air Flow Sensor is a direct replacement for OE part number 6420900048. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.

Is the VALEO 366954 the same as the VALEO 253700?

No, while both are Mass Air Flow Sensor parts, they are different products. The VALEO 366954 has Voltage [V]: 14 V, Length [mm]: 250 mm, Width [mm]: 64 mm. The VALEO 253700 may differ in dimensions, fitting position, or material composition. Always verify compatibility with your specific vehicle using our vehicle selector, or contact our customer service team for assistance.

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