Second Hand Mercedes-Benz EQS Horn

Yes, the EQS is fitted with a standard 12V electrical horn, just like any other road car — the fact it is a battery-electric vehicle makes no difference to this component. The EQS also carries an Acoustic Vehicle Alerting System (AVAS) for low-speed pedestrian warning, which is a separate unit from the horn itself. If you are looking for the AVAS speaker rather than the traditional horn, make sure you clarify this with the breaker when requesting a quote.

The Mercedes-Benz EQS (V297) launched in 2021 and received a facelift for the 2024 model year, so a 2022 car is pre-facelift and a 2024 car is post-facelift. The horn itself is a simple 12V unit and basic electrical horns often carry across a facelift without issue, but whether the mounting points and connector are identical across that boundary is worth confirming with the breaker against your exact registration before buying.

Trim and drivetrain level do not affect horn fitment on the EQS — the horn is a straightforward electrical component unrelated to whether the car is rear-wheel drive or all-wheel drive, or which power output it has. You should not expect any functional difference between a horn pulled from an entry-level car and one from a higher-spec model. A good breaker will match the part by model and year rather than trim.

The EQE (V295) and EQS (V297) are closely related models sharing Mercedes' EVA2 platform and many electrical components, so there is a reasonable chance the horn units are compatible. That said, confirming this against your specific registration with the breaker is the right step before committing, as connector types or bracket positions can differ even between platform-mates.

On most modern Mercedes-Benz models the horn is accessible from the front of the car, typically behind the bumper or within the front apron area, and replacement is usually a straightforward unplug-and-swap job for a competent DIYer. The EQS does use a high-voltage battery, but the horn operates on the conventional 12V system so there is no need to interact with high-voltage components. If you are in any doubt, a local independent Mercedes specialist or auto-electrician can fit a used horn quickly and at low cost.

Give the breaker your full vehicle registration number so they can look up the exact part against your car's spec — this is the most reliable way to avoid getting the wrong connector or mounting bracket. It is also worth asking the breaker whether the horn is the main audible horn or the AVAS low-speed warning unit, as the two are different parts and easy to mix up on an EQS. A reputable breaker will be happy to clarify this before dispatch.