Get quotes for a used or replacement Mercedes-Benz C-Class horn. Genuine second hand parts from UK vehicle dismantlers - free request, breakers with stock reply direct.
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Used horns 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:
The C-Class has run through four main generations: W202 (1993–2000), W203 (2000–2007), W204 (2007–2014, facelifted 2011), and W205 (2014–2021). The horn is a genuine fitment on all C-Class variants across all these generations, as every road-going C-Class leaves the factory with a horn. Generation matters for fitment because the mounting points, bracket design, and electrical connector can differ between generations, so always confirm the generation of the donor car with the breaker against your registration.
These are different generations with different body structures and wiring layouts, so a straight swap across that 2014 boundary is not guaranteed. The horn units themselves are often simple single-tone or twin-tone disc horns, but the mounting bracket position and connector type may differ between W204 and W205. It is possible an aftermarket-style horn fits both, but for a direct used-part swap, confirm compatibility with the breaker using both registrations before purchasing.
Trim level does not affect horn fitment on the C-Class – the horn is a mechanical and electrical component determined by the generation and body, not by whether the car is an SE, Sport, AMG Line, or any other trim. You may find that very high-specification AMG or night-edition variants occasionally use a slightly different horn arrangement, but for standard trim variants the part is interchangeable within the same generation. When sourcing from a breaker, the generation and year are what matter, not the trim badge.
Both are the same W204 generation, and the 2011 facelift was primarily cosmetic, affecting the front bumper, lights, and interior rather than the horn mounting or wiring. In most cases the horn should interchange freely within the W204 generation regardless of the facelift year, but because used parts can vary by supplier, it is still worth confirming with the breaker that the connector and bracket match your car.
The horn is mounted in the engine bay or behind the front bumper and is not affected by the body style – saloon, estate (C-Class T-Model), coupe, or cabriolet variants within the same generation typically share the same horn unit and wiring. Body style is therefore not a key concern when sourcing this part, though it is always sensible to quote your full registration to the breaker so they can pull the exact part from their records.
Yes – the engine type, whether petrol, diesel, or even a hybrid variant, has no bearing on horn fitment, as the horn is a standalone electrical component entirely independent of the drivetrain. What matters is that the donor car is the same generation as yours, ensuring the mounting and connector are correct. Confirm the year and generation with the breaker and you should be able to source from any engine variant without issue.