Easy Installation: Simple plug-and-play design, no special tools required. Just remove the old sensor and install the new one. Compatibility: Fits Mercedes-Benz C230/C250/C300/C350, E320/E350/E500, S430/S500/S600, CL500, CLK350/CLK500, SL500, and more (2000-2020 models). Direct Replacement: Replaces OEM part number 2115401717, designed to match factory specifications for seamless installation. Durable Material: Made of high-quality ABS reinforced plastic and metal, resistant to high temperatures, corrosion, and wear for long-lasting performance. Safety Function: Monitors brake pad wear and alerts you when replacement is needed, ensuring safe and effective braking performance.