Need a used Mercedes-Benz V-Class horn? Request a free quote from UK vehicle dismantlers and compare offers direct.
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Fitment on a used horn varies by vehicle, so a bit of detail goes a long way. Our request form covers what breakers need to know, so every quote you get back is for the correct part:
Yes, all variants of the Mercedes-Benz V-Class are fitted with a horn as standard — it is a legal requirement on any road-going vehicle sold in the UK, so every engine type, trim level, and year of V-Class will have one. The horn is typically mounted behind the front bumper or within the engine bay, and a used unit from a breaker is a straightforward replacement part to source.
The W638 (1996–2003) and W639 (2003–2014) are entirely different generations with different bodyshells, mounting points, and electrical connectors, so a horn from one will very likely not plug straight into the other. The horn itself is a simple two-terminal component, but the bracket fitment and connector type may differ between generations — confirm the connector and mounting arrangement with the breaker against your registration before buying.
The W447, which launched in 2014 and received a facelift around 2019, is a generation newer than the W639 (2003–2014), and the two are unlikely to share the same horn mounting bracket or wiring connector. That said, because horns are electrically simple devices, a breaker can often advise whether the terminals and bracket style are compatible — check with them quoting both registrations before committing to a purchase.
Trim level does not affect horn fitment on the V-Class — SE, Sport, AMG Line, and any other trim grade all use the same horn setup within a given generation. You may find cosmetic differences in how the front bumper is arranged around the horn mounting, but the horn unit itself is interchangeable across trims within the same generation, so do not limit your search by trim.
Both a 2015 and a 2017 V-Class fall within the pre-facelift W447 generation (2014 to approximately 2019), so a horn from a 2015 car is very likely to be compatible with a 2017 car. However, it is always worth asking the breaker to confirm the part number or connector type matches your specific registration, as minor mid-cycle running changes can occasionally occur.
No — the horn is completely unrelated to the engine, whether your V-Class is a diesel, petrol, or any other variant. Fitment is determined by the body generation (W638, W639, or W447) rather than what is under the bonnet, so do not filter your search by engine when looking for a used horn from a breaker.