Mercedes-Benz A-Class Rear Light Replacement Parts

No — these are completely different generations. The W176 ran from 2012 to 2018 (facelift in 2015), and the W177 replaced it from 2018 onwards, bringing an entirely new rear-end design with no cross-compatibility. You need to source a light from the correct generation, and your breaker can confirm the exact fit against your registration.

Yes, the W176 received a facelift in 2015 which updated the rear light clusters, so a pre-facelift unit (2012–2014) and a post-facelift unit (2015–2018) are not the same part. Name the boundary to your breaker — confirm whether the part they have is pre- or post-facelift against your reg before buying.

Yes, door count matters. The W176 generation was offered as both a 3-door and a 5-door hatchback, and the rear quarter and door arrangement means the light units differ between them. Always tell your breaker which body style you have so they can pull the correct part.

Trim level — whether that's SE, Sport, AMG Line, or any other — does not affect the fundamental fitment of the rear light cluster. However, higher trims may have had smoked or tinted lens styling compared to clearer units on entry-level cars, so be aware there could be a cosmetic difference even on a correctly fitting part. Confirm the look of the unit with your breaker if appearance matters to you.

No — body style is the first question with rear lights, and the saloon and hatchback have completely different rear-end pressings and light designs even within the same W177 generation. Make sure the breaker you're quoting with knows you need a hatchback unit specifically.

No, engine choice has no bearing on rear light fitment whatsoever. What matters is the generation, body style, door count, and whether the car is pre- or post-facelift — not whether it's a petrol A180 or a diesel A200d.