VEHICLE COMPATIBILITY: for Mercedes-Benz CLS400 2015-2018 3.0L V6 for Mercedes-Benz CLS550 2012-2018 4.6L V8 4.7L V8 for Mercedes-Benz CLS63 AMG 2012-2014 5.5L V8 for Mercedes-Benz CLS63 AMG S 2014-2018 5.5L V8 for Mercedes-Benz E250 2014-2016 2.1L L4 for Mercedes-Benz E350 2010-2016 3.0L V6 3.5L V6 for Mercedes-Benz E400 2013-2016 3.5L V6 3.0L V6 for Mercedes-Benz E550 2010-2014 5.5L V8 for Mercedes-Benz E63 AMG 2010-2015 6.3L V8 for Mercedes-Benz E63 AMG S 2014-2016 5.5L V8 OE Number:A2129050303/A2125402517PRODUCT INFORMATION: Material: Plastic, Metal Color: Black, Silver Tone Dimensions: 33.5x6.7x6cm / 13.19"x2.64"x2.36"(L*W*H) Pin Number: 6 Pins Place On Vehicle: Front Left 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.