We’re kicking off the new year with two new additions to our growing Mercedes-Benz AMG cooling product lineup – M157 Auxiliary Radiators and a Front Mount Heat Exchanger for the E63, CLS 63, and more.

Two new part numbers!
  • E63/CLS63 High-Performance Front Mount Heat Exchanger (CSF #8197)
  • M157 High-Performance All-Aluminum Auxiliary Radiators (CSF #8198)

If you’ve been following along with CSF’s products, you’ll see that we emerged in the AMG market with our W205 C63 AMG Heat Exchanger – it quickly became a #1 seller, so we took its momentum and created a full Mercedes-Benz AMG cooling line. 

CSF has mastered the charge-air cooling system, like the one found in new AMG models. The system features a water circuit that flows through the vehicle’s charge cooler(s) and a heat exchanger, which uses the water to cool the compressed air.


E63/Cls63 Front mount heat exchanger (CSF #8197)

Upgrading to a larger, more efficient Heat Exchanger effects the entire rest of the charge-air cooling system – lowering IATs (intake air temperatures), thus creating cooler, denser air for increased power and an improvement in heat soak reduction.

  • 1 Row, 23mm Super-High Efficiency Core w/ CSF’s Exclusive B-Tube Technology
  • Over 40% More Tubes Than The OEM Heat Exchanger, Resulting in a Core Efficiency With Over 300% Increase in Flow Area and Twice the Cooling Performance
  • Ultra-Efficient, 5mm Tall Multi-Louvered Fins for Maximum Surface Area Contact
  • 100% All-Aluminum TIG-Welded Construction
  • Individually Leak and Pressure Tested
  • CNC Machined Brackets and Fittings
  • Integrated All-Aluminum Race Style Bleeder Screw
  • 1 Hour “Mirror Finish” Hand Polish
  • True “Drop-in Fit” Requires No Modifications to Install
CSF OEM
Core Width23mm16mm
Cooling Tubes (Rows)5942
Fin Height5mm6mm
Flow Area17.429cm²5.748cm²

Part Number: CSF #8197
OEM: #197-500-01-03
Pricing: MSRP $629.00 USD / MAP $599.00 USD
Fitment: Mercedes Benz

  • 2012-2014 Mercedes Benz CLS 63 AMG 5.5L V8 (W218)
  • 2014-2018 Mercedes Benz CLS 63 AMG S 5.5L V8 (W218)
  • 2012-2016 Mercedes Benz E 63 AMG Sedan 5.5L V8 (W212)
  • 2014-2016 Mercedes Benz E 63 AMG S Sedan 5.5L V8 (W212)
  • 2012-2014 Mercedes Benz E 63 AMG Wagon 5.5L V8 (W212)
  • 2014-2016 Mercedes Benz E 63 AMG S Wagon 5.5L V8 (W212)
  • 2013-2019 Mercedes Benz SL 63 AMG Convertible 5.5L V8 (W231)
  • 2013-2019 Mercedes Benz SL 65 AMG Convertible 5.5L V8 (W231)
  • 2011-2015 Mercedes Benz SLS AMG Coupe 6.3L V8 (W197)
  • 2012-2015 Mercedes Benz SLS AMG Convertible 6.3L V8 (W197)

m157 auxiliary radiators (CSF #8198)

CSF’s High-Performance Auxiliary Radiators work in conjunction with the rest of the cooling system to reduce temperatures. They not only help keep temperatures in optimal ranges, prolonging the heat soak threshold, but also can be utilized as the heat exchange medium for the charge cooling system. 

The included, detachable rock guard offers protection against the build-up of debris, as well as possible core punctures – unlike the OEM auxiliary radiators, which have little protection against the elements.

Part Number: CSF #8198 (Sold Individually – some applications require 2 auxiliary radiators)
OEM: #099-500-32-03
Pricing: MSRP $529.00 USD / MAP $499.00 USD (Sold Individually)
Fitment: Mercedes Benz

  • 2014-2019 Mercedes Benz CLA 45 AMG 2.0 L4 (W117)
  • 2012-2014 Mercedes Benz CLS 63 AMG Sedan 5.5L V8 (W218)
  • 2014 Mercedes Benz CLS 63 AMG Wagon 5.5L V8 (W218)
  • 2014-2015 Mercedes Benz CLS 63 AMG S 5.5L V8 Sedan (W218)

Note: Sold Individually – Some applications require 2 auxiliary radiators

  • 2016 Mercedes Benz E 550 Sedan 5.5L V8 (W212)
  • 2012-2016 Mercedes Benz E 63 AMG Sedan 5.5L V8 (W212)
  • 2014-2016 Mercedes Benz E 63 AMG S Sedan 5.5L V8 (W212)
  • 2012-2014 Mercedes Benz E63 AMG Wagon 5.5L V8 (W212)
  • 2015-2016 Mercedes Benz E63 AMG S Wagon 5.5L V8 (W212)

Note: Sold Individually – Some applications require 2 auxiliary radiators

  • 2013-2018 Mercedes Benz G 63 AMG 5.5L V8 (W463)
  • 2016-2018 Mercedes Benz G 65 AMG 6.0L V8 (W463)

Note: Sold Individually – Some applications require 2 auxiliary radiators

  • 2015-2020 Mercedes Benz GLA 45 AMG 2.0 L4 (W156)
  • 2013-2016 Mercedes Benz GL 63 AMG 5.5L V8 (W166)
  • 2012-2015 Mercedes Benz ML 63 AMG 5.5L V8 (W166)

Note: Sold Individually – Some applications require 2 auxiliary radiators

  • 2014-2017 Mercedes Benz S 550 Sedan 4.7L V8 (W222)
  • 2015 Mercedes Benz S 550L 4.7L V8 (W222)
  • 2017-2018 Mercedes Benz S 550L 4.7L V8 (W222)
  • 2014-2017 Mercedes Benz S 550 Coupe 4.7L V8 (W222)
  • 2017 Mercedes Benz S 550 Convertible 4.7L V8 (W222)
  • 2019 Mercedes Benz S 550 Convertible 4.7L V8 (W222)
  • 2018-2020 Mercedes Benz S 560 Sedan 4.0L V8 (W222)
  • 2019 Mercedes Benz S 560L Sedan 4.0L V8 (W222)
  • 2018-2020 Mercedes Benz S 63 AMG Sedan 4.0L V8 (W222)
  • 2018-2020 Mercedes Benz S 560 Coupe 4.0L V8 (W222)
  • 2018-2020 Mercedes Benz S 63 AMG Coupe 4.0L V8 (W222)
  • 2018-2020 Mercedes Benz S 560 Convertible 4.0L V8 (W222)
  • 2018-2020 Mercedes Benz S 63 AMG Convertible 4.0L V8 (W222)

Note: Sold Individually – Some applications require 2 auxiliary radiators

  • 2015-2016 Mercedes Benz SL 400 Convertible 3.0L V6 (R231)
  • 2017-2020 Mercedes Benz SL 450 Convertible 3.0L V6 (R231)
  • 2013-2020 Mercedes Benz SL 550 Convertible 3.7L V8 (R231)
  • 2014 Mercedes Benz SL 63 AMG Sedan 5.5L V8 (R231)
  • 2013-2019 Mercedes Benz SL 63 AMG Convertible 5.5L V8 (R231)
  • 2013-2019 Mercedes Benz SL 65 AMG Convertible 6.0L V12 (R231)

Note: Sold Individually – Some applications require 2 auxiliary radiators


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