Genuine Mercedes-Benz Horn Relay

Horn Control Relay

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3 Horn Relays found

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Mercedes-Benz Fuel Pump Relay Part Number: 003-542-02-19
$19.68 MSRP: $27.00
You Save: $7.32 (28%)
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Product Specifications
- Other Name: Relay; Horn Relay
- Replaced by: 000-982-72-23
Fits the following Mercedes-Benz Models:
- Metris | 2016-2023 | Base | 4 Cyl 2.0 L GAS
- ML450 | 2010-2011 | Hybrid 4Matic | 6 Cyl 3.5 L FULL HYBRID EV-GAS (FHEV)
- Sprinter 2500 | 2010-2018 | Base | 4 Cyl 2.1 L DIESEL, 6 Cyl 3.0 L DIESEL
- Sprinter 3500 | 2010-2018 | Base | 4 Cyl 2.1 L DIESEL, 6 Cyl 3.0 L DIESEL
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Mercedes-Benz Turn Signal Flasher Part Number: 002-542-92-19
$19.68 MSRP: $27.00
You Save: $7.32 (28%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Relay; Fuel Pump Relay, Hazard Flasher, Horn Relay
- Replaces: 002-542-11-19, 002-542-83-19, 002-542-83-19-28
Fits the following Mercedes-Benz Models:
- C250 | 2012-2015 | Base, Sport | 4 Cyl 1.8 L GAS
- C350 | 2012-2015 | 4Matic, Base | 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS
- C63 AMG | 2012-2015 | Base, Black Series | 8 Cyl 6.3 L GAS
- CL500 | 2000-2006 | Base | 8 Cyl 5.0 L GAS
- CLS400 | 2015-2017 | 4Matic, Base | 6 Cyl 3.0 L GAS
- CLS550 | 2012-2018 | 4Matic, Base | 8 Cyl 4.7 L GAS
- CLS63 AMG | 2012-2014 | 4Matic, Base | 8 Cyl 5.5 L GAS
- CLS63 AMG S | 2014-2018 | 4Matic | 8 Cyl 5.5 L GAS
- E250 | 2014-2016 | Bluetec, Bluetec 4Matic | 4 Cyl 2.1 L DIESEL
- E350 | 2010-2016 | 4Matic, Base, Bluetec | 6 Cyl 3.0 L DIESEL, 6 Cyl 3.5 L FLEX, 6 Cyl 3.5 L GAS
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Mercedes-Benz Horn Relay Part Number: 002-542-08-19
Product Specifications
- Other Name: Relay
Fits the following Mercedes-Benz Models:
- SL550 | 2011-2012, 2009 | Base | 8 Cyl 5.5 L GAS
- SL600 | 2009 | Base | 12 Cyl 5.5 L GAS
- SL63 AMG | 2011-2012, 2009 | Base | 8 Cyl 6.3 L GAS
- SL65 AMG | 2011, 2009 | Base, Black Series | 12 Cyl 6.0 L GAS
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Mercedes-Benz Horn Relay

The Mercedes-Benz Horn Relay provides the rapid electrical switch that takes a simple press of the steering wheel and sends a loud, clear horn blast that makes every journey safer and more confident. The little part has a big responsibility in the entire lineup. For decades, Mercedes-Benz has combined German quality with innovative technology. Mercedes-Benz vehicles have offered both luxury comfort and sharp on-road performance. Through MBUX voice control, MB.OS software platform, and other advanced features, the vehicles effortlessly integrate and control navigation, entertainment, and driver assistance. According to its owners, the brand's precisely engineered handling, luxurious interiors, and an engineering background aim to make safety systems work in the background so that daily driving is smooth, responsive, and feels safe in city traffic and on highways. The Horn Relay lives up to that reputation by acting as the gatekeeper of the horn circuit, directing the current from the steering wheel switch to the electromagnetic coil. The coil vibrates the diaphragm of the horn several times per second, creating a tone selected for optimal audibility. With constant voltage passing through this small relay, the horn responds to every press instantly, allowing drivers to alert others in crucial moments. Undeniably, heat under the hood or worn wiring can affect the relay. As such, you should pay attention to any changes in volume and pitch and fix the problem as soon as possible to maintain full functionality.

Genuine parts are built to last. These components go through tough factory testing, so you can trust they will hold up over time. At MBPartsGiant.com, finding Mercedes-Benz Horn Relay is quick and simple. We keep a massive inventory in stock with low prices that are hard to beat. Just order online to get a real manufacturer's warranty with every single part. Returns won't be a headache either, thanks to our no-hassle policy. If you are in a rush, we provide expedited shipping to get your vehicle back on the road. Don't wait. Finish your repairs today and keep your Mercedes-Benz running like new. Explore the catalog now.