Mercedes W166 ML 400 3.0 4-matic Fuel pump (333 hp Petrol M 276.821)

Which fuel pump is the best for a MERCEDES-BENZ M-Class (W166) ML 400 4-matic (166.056) 333 hp?

The best fuel pumps for Mercedes W166 ML400 4-matic (166.056) M 276.821 models are sold by the following original brands:

• RIDEX
• ELRING
• FEBI BILSTEIN
• BOSCH
• MEYLE

How much does a fuel pump cost for a MERCEDES-BENZ M-Class (W166) ML 400 4-matic (166.056) Petrol?

In the UK, the price of a fuel pump for the MERCEDES-BENZ M-Class (W166) ML 400 3.0 4-matic can range from € 3 to € 267.

What problems do fuel pump faults cause in a Mercedes W166 ML 400 3.0 4-matic 333 hp Petrol?

Symptoms of a faulty fuel pump in Mercedes W166 ML 400 4-matic (166.056) models are usually related to low pressure in the pump, leading to engine starting problems, reduced power, engine stuttering, and increased fuel consumption, as well as fault codes, which trigger the engine warning light.

Where is the fuel pump located on a MERCEDES-BENZ M-Class (W166) ML 400 4-matic (166.056) Petrol M 276.821?

The low-pressure fuel pump for the Mercedes W166 ML 400 4-matic (166.056) 333 hp is usually located in the tank, whereas the high-pressure pump is typically located next to the engine, near the fuel rail and injectors. The fuel pump relay in a Mercedes W166 ML 400 3.0 4-matic 333 hp / 245 kW can be found in the fuse box under the dashboard on the driver's side.

Which fuel pump is compatible with the MERCEDES-BENZ ML-Class (W166) ML 400 4-matic (166.056) 333 hp Petrol M 276.821?