This replacement engine coolant thermostat housing assembly is engineered to match the fit and durability of the stock housing assembly on specified vehicles. It is designed to withstand extreme temperature changes to extend service life. Vehicle model years this part fits (be sure to check your vehicle trim using the Tienda garage) - [Mercedes-Benz CL550: 2011, 2012] - [Mercedes-Benz CL63 AMG: 2011, 2012] - [Mercedes-Benz CLS350: 2012] - [Mercedes-Benz CLS500: 2012, 2013, 2014, 2015, 2016, 2017, 2018] - [Mercedes-Benz CLS550: 2012, 2013, 2014, 2015, 2016, 2017, 2018] - [Mercedes-Benz CLS63 AMG: 2012] - [Mercedes-Benz E250: 2012] - [Mercedes-Benz E500: 2012, 2013, 2014, 2015, 2016, 2017] - [Mercedes-Benz E550: 2012] - [Mercedes-Benz E63 AMG: 2012] - [Mercedes-Benz GL450: 2013, 2014] - [Mercedes-Benz GL500: 2013, 2014, 2015] - [Mercedes-Benz GL550: 2013, 2014, 2015, 2016] - [Mercedes-Benz GLE500: 2016, 2017, 2018, 2019] - [Mercedes-Benz GLE550: 2016, 2017, 2018] - [Mercedes-Benz GLS500: 2017, 2019] - [Mercedes-Benz GLS550: 2017, 2018, 2019] - [Mercedes-Benz Maybach S550: 2017] - [Mercedes-Benz ML350: 2012] - [Mercedes-Benz ML400: 2015] - [Mercedes-Benz ML500: 2012, 2013, 2014, 2015] - [Mercedes-Benz ML550: 2012] - [Mercedes-Benz ML63 AMG: 2012] - [Mercedes-Benz S500: 2013, 2014, 2015, 2016, 2017, 2018] - [Mercedes-Benz S500L: 2015, 2017, 2018] - [Mercedes-Benz S550: 2012, 2013, 2014, 2015, 2016, 2017] - [Mercedes-Benz S560: 2019] - [Mercedes-Benz S63 AMG: 2011, 2012] - [Mercedes-Benz SL500: 2013, 2014, 2015, 2016, 2017, 2018, 2019] - [Mercedes-Benz SL550: 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020]