What does a brake wear lead sensor do?

A brake wear lead sensor is a small component that contacts the rotor when your brake pads have worn down to a critical level. This contact typically triggers a dashboard warning light or an audible squeal, alerting you that it's time to replace your brake pads before they damage the rotors.

How do I know if I need to replace my brake wear lead sensor?

You'll usually need to replace the sensor if your brake warning light is on or if you hear a consistent squealing noise that isn't related to the brake pads themselves. It's also a good idea to replace them when you replace your brake pads, especially if they are old or show signs of damage.

Does this sensor come with new brake pads?

No, this is a separate component for monitoring brake pad wear. It is sold individually and does not include brake pads. You will need to purchase brake pads separately if your vehicle requires them.

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EBC 07-10 Mercedes-Benz M-Class (ML) ML320 CDi 3.0 TD Front Wear Leads

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Specifications

Brand: EBC
Part #: EFA059
UPC: 840655093558

EBC 07-10 Mercedes-Benz M-Class (ML) ML320 CDi 3.0 TD Front Wear Leads

Name: EBC 07-10 Mercedes-Benz M-Class (ML) ML320 CDi 3.0 TD Front Wear Leads
Brand: EBC
Price: 4.87 USD
Availability: InStock

$4.87

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EBC brake wear lead sensor. Protects your rotors from metal-to-metal contact, preventing costly damage.

Key Features

Fits 2007-2011 Mercedes-Benz ML350, 2007-2009 ML320, 2010-2011 ML450, and many other models.
Helps protect your rotors from metal-to-metal contact, preventing severe damage.
Triggers a warning light or audible squeal when brake pads are worn.
Designed as a direct replacement for your vehicle's original wear lead sensor.

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Product Details

EBC is well-known for making a wide range of brake parts, and these wear lead sensors are a small but important piece of the puzzle. They're designed to give you an early warning before your brake pads wear down too far, helping to prevent damage to your rotors. When the pad material wears down to a certain point, this sensor will make contact and typically create a squealing noise or trigger a warning light on your dashboard, letting you know it's time for new pads.

This particular sensor is a direct replacement for many Mercedes-Benz models, including the ML320, ML350, and ML550, among others. It's a simple part to install, usually clipping right onto the brake caliper or pad assembly. Having these in place is a smart way to avoid more expensive repairs down the road by catching pad wear before it damages your rotors.