Rein EPK0132 Engine Coolant Reservoir Kit - Radiator

OE Quality Expansion Tank Kit for Mercedes-Benz

The Rein EPK0132 engine coolant reservoir kit is built for Mercedes-Benz cooling system service where a direct-fit expansion tank is needed. It includes the tank, cap, and sensor if applicable, with OE-style fitment for select AMG GT, C-Class, E-Class, GLC, CLS, and EQC models.

• Includes sensor, if applicable, and cap
• Produced from virgin plastic to meet or exceed OE material specifications
• Resists cracking and wear from repeated heat cycles
• Direct fitment for easier installation
• Application-specific design for select Mercedes-Benz radiator and reservoir locations

Built for Cooling System Reliability

Rein EPK0132 is an OE quality expansion tank kit engineered to replace a worn or cracked coolant reservoir on Mercedes-Benz vehicles. The tank is molded from virgin plastic with no regrind, helping maintain durability and long service life under normal engine heat cycling. This makes it a practical replacement for Mercedes-Benz AMG GT 43, AMG GT 53, C300, E350, E450, E53 AMG, GLC300, GLC43 AMG, CLS450, and related applications listed below. This part cross-references URO 2055000049 for the same application.

Vehicle Fitment

• Fits 2023-2026 Mercedes-Benz AMG GT 43, radiator, w/Cap
• Fits 2022-2024 Mercedes-Benz AMG GT 53, radiator, w/Cap
• Fits 2022-2023 Mercedes-Benz C43 AMG, N/A, w/Cap
• Fits 2023 Mercedes-Benz CLS450, radiator, w/Cap
• Fits 2023 Mercedes-Benz CLS53 AMG, radiator, w/Cap
• Fits 2022-2023 Mercedes-Benz E350, radiator, w/Cap
• Fits 2022-2023 Mercedes-Benz E450, radiator, w/Cap
• Fits 2022-2023 Mercedes-Benz E53 AMG, radiator, w/Cap
• Fits 2021-2023 Mercedes-Benz EQC400, radiator, w/Cap
• Fits 2022-2023 Mercedes-Benz GLC300, N/A, w/Cap
• Fits 2022-2023 Mercedes-Benz GLC43 AMG, N/A, w/Cap
• Fits 2021-2022 Mercedes-Benz AMG GT 43, N/A
• Fits 2022 Mercedes-Benz C300, radiator, w/Cap
• Fits 2019-2022 Mercedes-Benz CLS450, N/A
• Fits 2019-2022 Mercedes-Benz CLS53 AMG, N/A
• Fits 2019-2021 Mercedes-Benz AMG GT 53, N/A
• Fits 2015-2021 Mercedes-Benz C300, N/A
• Fits 2017-2021 Mercedes-Benz C43 AMG, N/A
• Fits 2020-2021 Mercedes-Benz E350, N/A
• Fits 2019-2021 Mercedes-Benz E450, N/A
• Fits 2019-2021 Mercedes-Benz E53 AMG, N/A
• Fits 2016-2021 Mercedes-Benz GLC300, N/A
• Fits 2017-2021 Mercedes-Benz GLC43 AMG, N/A
• Fits 2018-2020 Mercedes-Benz GLC350e, N/A
• Fits 2017-2019 Mercedes-Benz E300, N/A
• Fits 2016-2018 Mercedes-Benz C350e, N/A
• Fits 2018 Mercedes-Benz E400, N/A
• Fits 2017-2018 Mercedes-Benz E43 AMG, N/A
• Fits 2016 Mercedes-Benz C450 AMG, N/A
• Fits 2015 Mercedes-Benz C400, N/A

Common Replacement Uses

• Cracked or brittle coolant reservoir housing
• Coolant loss from heat-cycle damage
• Failed expansion tank cap sealing
• Sensor-related reservoir service on equipped vehicles
• Cooling system maintenance on Mercedes-Benz C-Class, E-Class, GLC, CLS, AMG GT, and EQC models

Installation Notes and Tips

Verify the vehicle’s reservoir style, cap configuration, and sensor requirement before installation. This kit is application-specific, so match the part number and fitment listing to the exact Mercedes-Benz model, year, and radiator or N/A configuration shown above. Inspect hoses and surrounding cooling components during replacement to help prevent repeat leaks.

Quality Assurance

Rein Automotive expansion tanks are made to OE-quality standards using virgin plastic rather than regrind material, which helps improve durability and resistance to cracking from repeated heat cycles. Rein EPK0132 is built as a direct replacement for select Mercedes-Benz cooling system applications and is supplied as a complete kit with the tank, cap, and sensor if applicable.