ITEM NAME:Brake Pad Wear Sensor for Mercedes Benz W204 W211 W221 E500 S350 1715400617 #gib Store Home Promotion Hot Item Add to Fav.1 x Brake Pad Wear Sensor. Clothing, Shoes, Accessories. Product weight: 8g. Product size: 120 x 7 x 7mm/4.72 x 0.28 x 0.28". Health & Beauty. Installation location: front axle, rear axle.