RENNtech ECU Upgrade | C216 | CL 550 | 500HP / 625 LB-FT | 4.7L V8 BiTurbo | M278 | MY2011-2014 mercedes-benz-c-class--205-sedan---2015-2022--c-350e-plug-in-hybrid-esr8664468 The high carbon content and

The high carbon content and the chemical composition of the steel enable teh RENNtech discs to be more durable and lighter than its OEM counterparts

CLASS E (W 212) 500 Blue Efficiency [2 Filters Required] (HP: 408 | Year: 11 > )

Options: Valve Stems Upgrade Lug Bolts Titanium Included TPMS Upgrade Center Caps Design V1 | Design V2 Tires Mounted and Balanced  Available: Track or Street spec

RPM Tuned: 344 HP and 350 TQ

72 mph W213 - E63 AMG S Sedan R2 Package w/Launch Control

RENNtech ECU Upgrade | C216 | CL 550 | 500HP / 625 LB-FT | 4.7L V8 BiTurbo | M278 | MY2011-2014 mercedes-benz-c-class--205-sedan---2015-2022--c-350e-plug-in-hybrid-esr8664468 The high carbon content andECU Upgrade 500HP 625LB FT Gains: +52HP +87LB FT Our intermediate level ECU upgrade for the Mercedes M278 engine still offers huge gains in performance across the entire RPM range, but with a slightly reduced peak HP and torque from our standard tune. This is ideal for customers who want increased performance in their daily driver without worry of extra strain on driveline components or for areas and countries with extreme altitudes, temperatures or