What does a brake wear lead sensor do?

A brake wear lead sensor is designed to make contact with the rotor when your brake pads are worn down. This contact creates a squealing sound, alerting you that it's time to replace your brake pads before they cause damage to your rotors.

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

You'll typically hear a high-pitched squealing noise coming from your brakes when you apply them. This noise indicates that the wear indicator has made contact with the rotor, signaling that your brake pads are nearing the end of their life.

Does this sensor come with new brake pads?

No, this product is for the brake wear lead sensor only. It is a separate component from the brake pads themselves and is typically replaced when you install new brake pads.

Questions? Call Us:631-982-0042

M-F 8AM-4PM ET

Trusted Since 1957

Est. 1957

EBC 2012-2013 Mercedes-Benz B200 2.0L Turbo Front Wear Leads

Specifications

Brand: EBC
Part #: EFA178
UPC: 889668169546

EBC 2012-2013 Mercedes-Benz B200 2.0L Turbo Front Wear Leads

Name: EBC 2012-2013 Mercedes-Benz B200 2.0L Turbo Front Wear Leads
Brand: EBC
Price: 2.71 USD
Availability: InStock

$2.71

On Backorder — Expected to ship by Apr 11, 2026

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

EBC brake wear lead sensor. Helps protect your rotors from metal-to-metal contact, preventing severe damage.

Key Features

Fits a wide range of Mercedes-Benz vehicles including the C300, CLA250, and GLC300.
Helps protect your brake rotors from metal-to-metal contact.
Provides an audible warning when brake pads are worn down.
Prevents severe damage to rotors caused by completely worn brake pads.
This is a brake wear lead sensor.

Secure CheckoutFast Shipping631-982-0042

Will this fit your vehicle?

Product Details

EBC is well-known for making a wide range of brake components, and these wear lead sensors are a small but important part of their lineup. If you're replacing your brake pads on a variety of Mercedes-Benz vehicles like the C300, CLA250, or GLC300, these sensors are designed to give you an early warning before your pads wear down completely.

This sensor is designed to make contact with the rotor once the brake pad material has worn down to a certain point. This contact creates a squealing noise, letting you know it's time to get your pads replaced. It's a simple but effective way to help prevent the brake pads from wearing down to the metal backing plate, which can cause significant damage to your brake rotors and lead to more expensive repairs down the road.

These sensors are typically a direct replacement for your original equipment. Always refer to the manufacturer's installation instructions for the most accurate fitment and installation details.