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KSE-100064• Front• Disc Brake Pad Wear Sensor Kits
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GeoBrakes stocks disc brake pad wear sensor kits confirmed to fit the Mercedes Benz A250, combining the wear sensor probe manufactured to the exact OEM probe length and contact resistance for the A250 with connector hardware, retaining clips, and in pad-inclusive configurations the brake pads themselves, so the complete brake monitoring system on your Mercedes Benz A250 is restored correctly in a single service.
Standard/OE$16.14
10 items in stock
Select your vehicle to see compatible products and accurate pricing
A brake pad wear sensor kit for the Mercedes Benz A250 does one critical thing that a pad change alone cannot: it ensures the brake warning light on your A250 dashboard accurately reflects the condition of the next set of brake pads. Without a new sensor on the Mercedes Benz A250, the warning system is non-functional from day one of the new pads, there is no advance notice for the next replacement cycle on your A250. On Mercedes Benz A250 vehicles where a previous service skipped the sensor, the brake warning light may also remain on permanently after new pads are installed on the A250.
The kit for your Mercedes Benz A250 includes the brake pad wear sensor probe unit manufactured to OEM contact resistance and threshold depth for the A250 monitoring circuit, the wiring connector mating with the Mercedes Benz A250 brake monitoring harness where required, the retaining clip or mounting bracket securing the sensor to the A250 brake pad or caliper correctly, and in pad-inclusive kits, the brake pads for the Mercedes Benz A250 with sensor pre-assembled at factory-correct position on the A250 pad.
A brake pad wear sensor on the Mercedes Benz A250 is a calibrated component manufactured to trigger the A250 brake warning circuit at a specific remaining pad thickness. Too long and it triggers early on your Mercedes Benz A250, sending drivers for an unnecessary brake service with significant A250 pad life remaining. Too short and it triggers late or not at all on the A250, leaving the driver with no advance warning as the Mercedes Benz A250 pads approach the metal backing plate.
Wear sensor compatibility for the Mercedes Benz A250 is more exacting than most brake components. Probe length, contact resistance specification, and connector pinout must all match the A250 brake monitoring circuit exactly. A wrong-spec sensor on your Mercedes Benz A250 either triggers warnings at the wrong pad thickness or fails to connect to the existing A250 harness. Every kit in the GeoBrakes catalogue is sourced to OEM specification for the Mercedes Benz A250 exact year and model, with front and rear positions listed separately.
How do I know if my Mercedes Benz A250 has electronic brake pad wear sensors?
Check your Mercedes Benz A250 owner's manual for a brake pad warning light in the instrument cluster section. Use the GeoBrakes vehicle selector to confirm whether your Mercedes Benz A250 application requires an electronic sensor kit.
Can I buy the wear sensor separately from the brake pads for my Mercedes Benz A250?
Yes. GeoBrakes carries sensors as standalone components and as part of sensor kits for the Mercedes Benz A250. If replacing A250 pads that did not include a sensor and the existing sensor has already triggered, a standalone sensor or sensor kit is the correct purchase for your Mercedes Benz A250.
Will the brake warning light turn off automatically after installing a new sensor on my Mercedes Benz A250?
On most Mercedes Benz A250 vehicles, the brake pad warning light turns off once the new sensor is correctly installed and the ignition is cycled. On some Mercedes Benz A250 European platforms, a diagnostic scan tool reset may be required. Check your A250 service documentation if the light does not clear after installation.