W212 2014+ Mercedes-Benz E63 AMG 4MATIC , C218 2014+ CLS63 AMG 4MATIC , Replaces factory part number A 099 500 32 03, Compatible with S-Model only. Please note that S-Models have 2 auxiliary heat exchangers.
Whether you are running stock or upgraded components on your M157 turbocharged engine, the Alpha Performance Mercedes-Benz 5.5L BiTurbo Auxiliary Heat Exchanger Upgrade offers greater efficiency - providing cooler temperatures while combatting heat soak issues. Beneficial throughout everyday driving, this level of cooling is even more crucial to consistent performance on a road course or dragstrip.
ALPHA Mercedes-Benz 5.5L (S Model Only) Turbo Auxiliary Heat Exchanger Upgrade / Engine Coolant; Upside Down Logo For LHD Driver Side.
