Findapart

Second Hand Mercedes-Benz GLC Alternator

Get quotes for a used or replacement Mercedes-Benz GLC alternator. Genuine second hand parts from UK vehicle dismantlers - free request, breakers with stock reply direct.

Enter your registration or select your vehicle

Find the right part faster and get quotes direct from UK breakers - free, and no obligation.

GB

Choosing the right used Mercedes-Benz GLC alternator

Used alternators vary between vehicles - and whether you call it used, second hand or a replacement, matching the right one matters. These are the details breakers need to match the right part to your car - our request form asks them so you only hear from suppliers with the correct part:

Other used Mercedes-Benz GLC parts

Used alternator for other Mercedes-Benz models

Fitment questions

Will an alternator from a 2016 GLC fit my 2019 GLC?

The GLC (X253) ran from 2015 to 2023, with a facelift arriving in 2019, so a 2016 and a 2019 car sit either side of that facelift boundary. The engine code is the most reliable guide here — if both cars share the same engine code (shown on your V5 or a VIN check), there is a reasonable chance the alternator is the same unit, but ancillary and mounting changes can occur at a facelift even on the same engine, so you should confirm directly with the breaker against both registrations before buying.

Does the alternator differ between a GLC 220d and a GLC 250d?

Yes — the 220d and 250d use different engines (the 220d uses a four-cylinder diesel and the 250d a higher-output variant), so the alternators are likely to be different units with different output ratings. Always quote your exact engine code to the breaker rather than just the badge, as that is the single most useful detail for matching a mechanical part like an alternator.

Does the trim level matter — will an alternator from a GLC Sport fit a GLC AMG Line?

No, trim level does not affect alternator fitment on the GLC — Sport, AMG Line, and any other trim grades all share the same alternator provided the engine code matches. The trim differences are cosmetic (body styling, interior materials, alloy wheel design) and have no bearing on the charging system, so do not let a trim mismatch put you off a otherwise well-matched unit.

Does it matter whether my GLC is a petrol or diesel when sourcing an alternator?

Yes, fuel type matters because petrol and diesel engines in the GLC are entirely different units requiring different alternators, often with different output ratings and fixings. Give the breaker your engine code — not just petrol or diesel — as there are multiple petrol and diesel variants across the GLC range and the code removes any ambiguity.

Will an alternator from a pre-facelift GLC (2015–2018) cross over to a post-facelift GLC (2019–2023)?

Both generations are the same X253 body platform, and some engine codes carried across the 2019 facelift largely unchanged, which means a cross-over is sometimes possible. However, mounting bracket or ancillary changes can occur at a facelift point even when the engine code looks identical, so you must confirm the specific part number with the breaker against your registration rather than assume compatibility based on the engine code alone.

I've seen a cheap alternator listed from a GLC 300 — will it fit my GLC 250?

The GLC 300 and GLC 250 use different engine variants, so the alternators are not necessarily interchangeable even though the badges sound similar. Pull the engine code from your V5 or run a VIN check, share it with the breaker alongside the donor vehicle's code, and let them confirm whether the part numbers align before you commit to buying.