Motorad 952-217 Engine Coolant Thermostat Housing Assembly

Integrated thermostat housing for Mercedes-Benz cooling systems

Motorad 952-217 is an engine coolant thermostat housing assembly built to OE specifications for Mercedes-Benz applications. It combines the thermostat, housing, and seal in one integrated design, with a 217°F temperature rating for precise coolant control in demanding cooling systems.

Built with plastic, steel, and copper materials, this Motorad integrated housing thermostat is made for direct replacement service on select Mercedes-Benz SL550, S500, E550, and related models.

Key features

• Integrated housing thermostat assembly for engine coolant temperature control
• 217°F thermostat rating for OE-specified operating temperature
• Plastic, steel, and copper construction with black housing finish
• Rubber O-ring seal included for the housing interface
• 3-bolt mounting pattern with 1 outlet port
• 2.03 in outlet diameter
• Manufactured using OEM specifications and processes
• Copper case and wax compound for quick response to coolant temperature changes

Product details

Motorad’s Integrated Housing Thermostat line focuses on OE-style replacement parts that combine the thermostat and housing into a single service assembly. Part number 952-217 is engineered for Mercedes-Benz cooling system service where the factory design calls for an integrated thermostat housing assembly at 217°F. This part cross-references Dorman - OE Solutions 902-5847 and Dayco 95217 for the same application.

Fits 2018-2020 Mercedes-Benz SL550, N/A; Fits 2013-2016 Mercedes-Benz SL550, N/A; Fits 2018-2019 Mercedes-Benz GLE500, N/A; Fits 2016 Mercedes-Benz GLE500, N/A; Fits 2019 Mercedes-Benz GLS500, N/A; Fits 2017 Mercedes-Benz GLS500, N/A; Fits 2017-2019 Mercedes-Benz GLS550, N/A; Fits 2019 Mercedes-Benz S560, N/A; Fits 2013-2019 Mercedes-Benz SL500, N/A; Fits 2012-2018 Mercedes-Benz CLS500, N/A; Fits 2012-2018 Mercedes-Benz CLS550, N/A; Fits 2016-2018 Mercedes-Benz GLE550, N/A; Fits 2014-2018 Mercedes-Benz S500, N/A; Fits 2017-2018 Mercedes-Benz S500L, N/A; Fits 2015 Mercedes-Benz S500L, N/A; Fits 2012-2017 Mercedes-Benz E500, N/A; Fits 2012-2017 Mercedes-Benz E550, N/A; Fits 2017 Mercedes-Benz G63 AMG, N/A; Fits 2017 Mercedes-Benz Maybach S550, N/A; Fits 2012-2017 Mercedes-Benz S550, N/A; Fits 2014-2016 Mercedes-Benz GL550, N/A; Fits 2013-2015 Mercedes-Benz GL500, N/A; Fits 2013-2015 Mercedes-Benz ML500, N/A; Fits 2012-2015 Mercedes-Benz ML550, N/A; Fits 2011-2014 Mercedes-Benz CL550, N/A; Fits 2014 Mercedes-Benz GL450, N/A; Fits 2011 Mercedes-Benz GL450, N/A; Fits 2013 Mercedes-Benz CL500, N/A; Fits 2012-2013 Mercedes-Benz E63 AMG, N/A; Fits 2013 Mercedes-Benz S500, N/A; Fits 2011-2013 Mercedes-Benz S63 AMG, N/A; Fits 2011-2013 Mercedes-Benz SL63 AMG, N/A; Fits 2011-2012 Mercedes-Benz CL63 AMG, N/A; Fits 2012 Mercedes-Benz CLS350, N/A; Fits 2012 Mercedes-Benz CLS63 AMG, N/A; Fits 2012 Mercedes-Benz E250, N/A; Fits 2012 Mercedes-Benz ML350, N/A.

Common issues this part can address

• Coolant temperature regulation problems caused by a worn thermostat
• Leaks at the thermostat housing or seal interface
• Delayed warm-up or unstable engine operating temperature
• Cooling system service on Mercedes-Benz models with integrated thermostat housings
• Replacement of a cracked or aged plastic housing assembly

Installation notes and tips

Verify the OE-specified 217°F temperature rating before installation and confirm the outlet diameter, 3-bolt mounting pattern, and seal style match the original part. This assembly includes a gasket/seal, but mounting hardware and installation tools are not included. Clean the mating surfaces thoroughly and inspect adjacent coolant hoses and connectors before reassembly.

Quality assurance

Motorad manufactures this thermostat housing assembly with OEM-quality materials and safety standards as an OE supplier. It is produced to OEM specifications and processes for dependable fit and temperature control in Mercedes-Benz cooling systems.