Mercedes-Benz S580 Horn Relay Replacement at your home or office.

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Horn Relay Replacement Service

How much does a Horn Relay Replacement cost?

On average, the cost for a Mercedes-Benz S580 Horn Relay Replacement is $107 with $12 for parts and $95 for labor. Prices may vary depending on your location.

CarServiceEstimateShop/Dealer Price
* Mercedes-Benz S580V8-4.0L Turbo HybridService typeHorn Relay ReplacementEstimate$139.09Shop/Dealer Price$162.62 - $193.82
* Mercedes-Benz S580V8-4.0L Turbo HybridService typeHorn Relay ReplacementEstimate$119.09Shop/Dealer Price$142.65 - $173.87
* Mercedes-Benz S580V8-4.0L Turbo HybridService typeHorn Relay ReplacementEstimate$119.09Shop/Dealer Price$142.65 - $173.87
Show example Mercedes-Benz S580 Horn Relay Replacement prices

What is the Horn Relay all about?

The horn relay attaches a low power circuit to an electromagnet, which operates a mechanical switch. That switch either opens or closes a circuit that carries a higher power, which causes the horn to sound. There is a low power circuit running to your car’s steering wheel, and when it is activated, the horn sounds. When you release the horn button, the low power circuit is opened and the power level of the relay drops, silencing the horn.

Keep in mind:

  • You are required by law to have a working horn in your car.
  • Your car horn is a safety mechanism that allows you to warn other drivers of potential danger.

How it's done:

  • The vehicle battery is disconnected
  • The horn relay position is identified
  • The new horn relay and wiring are installed
  • The battery is reconnected
  • The repair is verified and the vehicle horn is tested for proper operation

Our recommendation:

If your horn isn’t working properly, you have no way of alerting another driver that he or she is about to collide with your vehicle, and you have no way of telling other drivers of any dangers further down the road. Our expert mechanics can diagnose any problems with your car horn, and if necessary, can replace the horn relay for you.

What common symptoms indicate you may need to replace the Horn Relay?

  • You press the horn button and nothing happens
  • You press the horn button but all you hear is a click
  • Horn only works sometimes

How important is this service?

Your horn is your first line of defense when it comes to problems in traffic. With an inoperable horn relay, your horn won’t work at all. If your horn isn’t working properly, get one of our expert mechanics to immediately correct the problem.

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Meet some of our expert Mercedes-Benz mechanics

Real customer reviews from Mercedes-Benz owners like you.

Excellent Rating

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Rating Summary
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5,332
192
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Jahmar

18 years of experience
36 reviews
Jahmar
18 years of experience
Mercedes-Benz 500SL V8-5.0L - fuel distrbuter - Boca Raton, Florida
Everything was very professional.

Peter

43 years of experience
1321 reviews
Peter
43 years of experience
Mercedes-Benz ML350 V6-3.5L - 75 Point Safety Inspection - Carefree, Arizona
Best mechanic ever.

Joseph

27 years of experience
578 reviews
Joseph
27 years of experience
Mercedes-Benz SL500 V8-5.0L - Oil Change - Houston, Texas
Always great service and attitude. So much easier than having to go and wait for my car to be serviced.

Bryant

12 years of experience
622 reviews
Bryant
12 years of experience
Mercedes-Benz E350 V6-3.5L - Oil Change - Indianapolis, Indiana
Great service

Excellent Rating

(5,730)

Rating Summary
5,332
192
54
29
123
5,332
192
54
29
123
Number of Mercedes-Benz services completed
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