Genuine Mercedes Horn | 0045429120
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The horn on your Mercedes is a safety system to alert other drivers or pedestrians of your location and the movement of your vehicle to avoid an accident. Your horn can also be used to gain the attention of distracted drivers who may not be paying attention to traffic signals.How Your Mercedes Horn Works
The horn operates by using an electrical current to magnetize and demagnetize a solenoid which causes an internal diaphragm to vibrate and create a pressure to pass through the horn's trumpet to create sound. Many vehicles utilize two horns, one low frequency and one high frequency to generate a range of sound that can be detected by ears both near and far away.
The horn circuit consists of a horn button in the steering wheel that completes the circuit and allows voltage to flow from the horn button through a contact ring or clockspring in the steering column. This energizes a relay that closes the relay switch to allow voltage to flow to the horn for operation. The horn itself is connected via one lead wire for electricity and is grounded to the engine by the horn mounting bracket.Replacing Your Mercedes Horn
Horn replacement is a fairly simple process. To replace the horn on your Mercedes you’ll need to unplug the wire connector on the horn and unbolt the horn from the mount on the engine. This will allow you to remove your horn and replace it.
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What This Genuine Mercedes Horn Fits?
Application information below is for reference only and should not be used to determine the exact vehicle fitment. Please use the "Make Sure It Fits" vehicle selection box above to determine the exact fitment and review any application notes. If you need any help determining if this part works with your vehicle, please don't hesitate to contact us.