Question 1

What are the symptoms of a failing Fuel System on a NCV3 · VS30 Sprinter?

Accepted Answer

Hard starting, long crank, or a stall shortly after starting Rough idle, uneven power delivery, or a knock that changes with load Loss of power under load with no boost fault present Diesel smell at the engine bay or a wet seep around the injector well

Question 2

Which fault codes point to this NCV3 · VS30 Sprinter repair?

Accepted Answer

P0087 / P0088: Fuel rail pressure too low or too high. P0201–P0205: Injector circuit fault, cylinders 1 through 5. P0263 / P0266 / P0269: Cylinder contribution or balance fault. P0093: Fuel system large leak detected. Confirm with a scan tool before ordering — codes narrow the system, not the exact part.

Question 3

Does Mercedes Sprinter Fuel Injector – Genuine OEM | OM642 3.0L V6 | #6420701287 (2010–2018) fit my Sprinter?

Accepted Answer

Listed for NCV3 · VS30 Sprinter, 2010–2018, OM642 engine. Cross-reference 6420701287 against the number on the component you are replacing. Listed for the NCV3 generation (2007–2018). Part numbers can differ within a generation by year and engine code — send the VIN and we'll confirm the exact number. Listed for the VS30 generation (2019–2026). Part numbers can differ within a generation by year and engine code — send the VIN and we'll confirm the exact number. This part is listed for the OM642 engine code. Confirm the code on your engine data plate or build sheet matches before ordering.

Mercedes Sprinter Fuel Injector – Genuine OEM | OM642 3.0L V6 | #6420701287 (2010–2018)

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