CTS Turbo heat exchanger, Mercedes M157/M278/M133 (CLA45AMG, CLS63 AMG, E, G, S..)

High-Performance Auxiliary Radiator Upgrade – Mercedes-Benz M157 / M278 / M133

This high-performance auxiliary radiator upgrade is designed for Mercedes-Benz models equipped with the M157, M278, and M133 engines. Engineered for improved cooling efficiency, this upgrade enhances heat dissipation and thermal management, ensuring stable temperatures under high-performance driving conditions.

Constructed from high-quality aluminum, this auxiliary radiator is a direct replacement for the factory unit. Its larger core provides optimized cooling efficiency, helping to prevent overheating and maintain consistent performance. Whether on spirited drives, track sessions, or long-distance cruising, this cooling upgrade ensures reliable engine and transmission temperatures.

Please note these are sold individually. Some vehicles require two auxiliary radiators.

Features:

• Two-row, 68mm high-performance core for superior cooling.
• 100% aluminum construction, TIG-welded for durability and heat dissipation.
• Direct fit replacement with no modifications required.

Vehicle Fitment:

Mercedes-Benz:

• 2014-2019 CLA 45 AMG 2.0L L4 (W117)
• 2012-2014 CLS 63 AMG Sedan 5.5L V8 (W218)
• 2014 CLS 63 AMG Wagon 5.5L V8 (W218)
• 2014-2015 CLS 63 AMG S Sedan 5.5L V8 (W218)
• 2016 E 550 Sedan 5.5L V8 (W212)
• 2012-2016 E 63 AMG Sedan 5.5L V8 (W212)
• 2014-2016 E 63 AMG S Sedan 5.5L V8 (W212)
• 2012-2014 E 63 AMG Wagon 5.5L V8 (W212)
• 2015-2016 E 63 AMG S Wagon 5.5L V8 (W212)
• 2013-2018 G 63 AMG 5.5L V8 (W463)
• 2016-2018 G 65 AMG 6.0L V12 (W463)
• 2015-2020 GLA 45 AMG 2.0L L4 (W156)
• 2013-2016 GL 63 AMG 5.5L V8 (W166)
• 2012-2015 ML 63 AMG 5.5L V8 (W166)
• 2014-2017 S 550 Sedan 4.7L V8 (W222)
• 2015, 2017-2018 S 550L 4.7L V8 (W222)
• 2014-2017 S 550 Coupe 4.7L V8 (W222)
• 2017, 2019 S 550 Convertible 4.7L V8 (W222)
• 2018-2020 S 560 Sedan 4.0L V8 (W222)
• 2019 S 560L Sedan 4.0L V8 (W222)
• 2018-2020 S 63 AMG Sedan 4.0L V8 (W222)
• 2018-2020 S 560 Coupe 4.0L V8 (W222)
• 2018-2020 S 63 AMG Coupe 4.0L V8 (W222)
• 2018-2020 S 560 Convertible 4.0L V8 (W222)
• 2018-2020 S 63 AMG Convertible 4.0L V8 (W222)
• 2015-2016 SL 400 Convertible 3.0L V6 (R231)
• 2017-2020 SL 450 Convertible 3.0L V6 (R231)
• 2013-2020 SL 550 Convertible 3.7L V8 (R231)
• 2014 SL 63 AMG Sedan 5.5L V8 (R231)
• 2013-2019 SL 63 AMG Convertible 5.5L V8 (R231)
• 2013-2019 SL 65 AMG Convertible 6.0L V12 (R231)

Equivalent OEM part: #099-500-32-03