Pay in 4 interest-free payments of $243.75 Learn more
Ships within 48 hours · Estimated delivery Aug 1 - Aug 6
The intakes’ smooth flowing design sends more air into your turbos ensuring that your engine gets the volume and airflow that it needs
343 mph RENNtech ECU Upgrade 4
Constructed of high strength
Dyno measured by RENNtech (peak): 681 HP @ 6
RENNtech HHT ECU Upgrade | CL 600 | C215 | 417HP/453LB-FT | 5.8L V12 | M137 | MY2000-2002 mercedes-benz-s-class--222---2018-2020--s-650-maybach-esr9170956 The intakes’ smooth flowing designRENNtech HHT ECU Upgrade for the 215 CL 600. Up to 417HP and 446TQ. Gains: +55HP & +56TQ RENNtech M137 V12 ECU Upgrades are TV approved! Our proprietary ECU upgrade for the Mercedes M137 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability. Our ECU tune offers the biggest performance gains on the market with our dyno results increasing performance from 362 HP and 390 lb
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