Mercedes-Benz E-Class Fuel Pump: Specs, Fitment & Common Faults

Confirmed: a genuine safety recall on 2021-2023 models addresses the low-pressure fuel pump's impeller deforming, causing the pump to shut down and the engine to stall suddenly while driving — plus a finding that a fault code can be triggered by a separate, unrelated recall too.

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Mercedes-Benz E-Class Fuel Pump: OEM Part Number

Accuracy note: genuinely worth knowing: high-mileage E-Classs often show early fuel pump wear as intermittent problems — starting fine most days but occasionally cranking longer than usual — rather than a sudden, total failure, which can make the root cause easy to misdiagnose as something else.

Mercedes-Benz E-Class Fuel Pump: A Part That Fails at the Worst Possible Moments

This is one of the more inconveniently timed failures the Mercedes-Benz E-Class can have — it tends to strand drivers mid-journey rather than politely failing while the car's parked on the drive. Recognising the early warning signs buys real time to sort it before you're stuck somewhere inconvenient.

Before you buy: fuel pump specifications vary by engine size and fuel type, and petrol/diesel versions are never interchangeable. Always confirm against your VIN before ordering.

Mercedes-Benz E-Class Fuel Pump: What It Does

Delivering fuel from the tank to the engine at the correct pressure for combustion is the Mercedes-Benz E-Class's fuel pump's whole job. It lives inside the tank itself, submerged in fuel, which is exactly why replacing something this small is a more involved job than it looks.

Mercedes-Benz E-Class Fuel Pump: Generations & Engines: Fuel Pump Type

Accuracy note: these are documented patterns by generation and engine family, not a substitute for confirming your exact engine code — always verify against your V5C before ordering, since petrol and diesel pumps are never interchangeable.

W211/W212 (2002–2016), M271/OM651 petrol & diesel	Spans both diesel (in-tank lift pump plus an engine-mounted high-pressure pump) and petrol (in-tank low-pressure pump, plus a separate high-pressure pump if direct-injection) variants — confirm your exact engine before ordering
W212/W213 E63 AMG (2009–present), V8	Petrol: typically a single in-tank low-pressure pump; some later or higher-output variants may add a separate engine-mounted high-pressure pump for direct injection — confirm your exact engine
W213/W214 (2016–present), M264 petrol & OM654 diesel	Spans both diesel (in-tank lift pump plus an engine-mounted high-pressure pump) and petrol (in-tank low-pressure pump, plus a separate high-pressure pump if direct-injection) variants — confirm your exact engine before ordering

Mercedes-Benz E-Class Fuel Pump reference plate

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Confirmed: A Genuine Safety Recall Worth Checking Your Car Against — Mercedes-Benz E-Class Fuel Pump

This is genuinely important to check directly on models from 2021 to 2023: a confirmed recall directly addresses the in-tank low-pressure fuel pump, where the pump's impeller can genuinely deform due to a manufacturing defect, coming into contact with its housing and causing the pump to shut down entirely — a genuine safety concern, since this can cause the engine to stall suddenly while driving. Worth checking your specific VIN against the official recall register directly.

A genuinely important finding worth knowing before replacing a pump: a low fuel pressure fault code can also be triggered by a separate recall covering leaking fuel rails and injectors, completely unrelated to the pump itself, worth checking your VIN for this too before assuming the pump has failed.

It's also genuinely worth knowing that a worn cam follower can specifically prevent the high-pressure fuel pump from maintaining the required rail pressure, worth replacing this component at the same time as the pump itself if that pump is genuinely being replaced.

Mercedes-Benz E-Class Fuel Pump: Warning Signs, DIY Difficulty & Aftermarket Advice

These are the same regardless of make or model — see our full Fuel Pump Guide for symptoms to watch for (including the low-pressure vs high-pressure distinction on direct-injection engines), confirming fitment against your VIN, and OE suppliers worth knowing.

More Mercedes-Benz Fuel Pump

The same part, covered across other Mercedes-Benz models.