Cheap Mercedes-Benz GLA Fuel Injection Pump

The GLA X156 generation ran from 2014 to 2019, with a facelift arriving in 2017, so a 2015 and 2018 GLA sit on either side of that facelift boundary. Fitment of the injection pump depends primarily on whether both vehicles share the same engine code — confirm this from your V5 or a VIN check before ordering. Whether ancillary or mounting details changed across the 2017 facelift is something you should confirm with the breaker against your specific registration, as production changes can occur mid-run.

The engine code is the critical detail here, not the badge — a 220d and a 200d are likely to carry different engine codes and therefore different injection pumps, even though both are diesel GLA X156 models. Pull the engine code from your V5 or a VIN decoder and give it to the breaker so they can match it precisely. Never assume a pump will interchange purely because both cars are diesel GLAs.

No, trim level does not affect injection pump fitment — AMG Line, Sport, Executive, and any other GLA trim designation are cosmetic and equipment packages, not mechanical distinctions. What matters is your engine code, fuel type, and gearbox type, all of which stay the same regardless of which trim your car is badged as. You may find incidental cosmetic differences in parts that arrive with a pump assembly from a breaker's donor car, but the pump itself will be the same across trims sharing the same engine code.

Gearbox type is a relevant fitment factor for injection pumps, as the engine management and fuelling calibration can differ between manual and automatic variants. Make sure you tell the breaker both your engine code and that you have the 7-speed automatic (7G-DCT) when requesting a quote. This gives them the full picture to source the correct pump and flag any potential coding considerations.

The second-generation GLA, known as the H247, launched in 2020 and is a fundamentally different platform from the X156 (2014–2019), so a straight swap between generations is very unlikely. Engine codes changed significantly between the two generations, meaning the injection pumps are not expected to be interchangeable. Confirm your exact engine code with the breaker — they will be able to tell you definitively whether any overlap exists.

This is an important question and one you must raise directly with the breaker against your specific registration, as we cannot state as fact how Mercedes fuel injection pumps behave with regard to ECU pairing or immobiliser coding on your exact vehicle. Some modern diesel injection pumps can be coded to the vehicle's ECU, which may require dealer or specialist tools to complete. Your breaker and a Mercedes-specialist garage are the right people to advise you before you commit to a purchase.