VEHICLE COMPATIBILITY:for Mercedes-Benz W463OE Number:A4635420118PRODUCT INFORMATION: Material: Plastic, Metal Color: Black, Silver Tone Dimensions: 30.5x3.5x6cm / 12.01"x1.38"x2.36"(L*W*H) Pin Number: 4 Pins Thread Size: M6x1.0 Place On Vehicle: Front Left Right PERFORMANCE:The height level sensor designed to detect the height of the vehicle body and adjust the height of the suspension as needed to ensure the stability of the vehicle when driving at high speeds, over potholes, or on different terrains, make the car work well and improve work performance.NOTICE: This is a non-OE items, accessory ONLY! Please check your Car Model, reference our product before purchase Before. Due to manual measurement, the size deviation is about 1-2 cm. INSTALLATION:DIRECT INSTALL: Direct replace the broken suspension ride height level sensor.