RENNtech ECU Upgrade | W212 | E 550 | 480HP / 605 LB-FT | 4.7L V8 BiTurbo | M278 | MY2014-2016 bmw-x5--e70----2010-2013--xdrive35d-3-0-l-i6-twin-turbo-diesel--m57n2--esr5029908 CLK CABRIOLET (A 209) 350

CLK CABRIOLET (A 209) 350 [2 Filters Required] (HP: 272 | Year: 05 > 10)

The R2 performance package increases performance to 716 hp and 826 lb-ft without sacrificing daily driver comfort or reliability and offer huge gains across the entire RPM range

but retains the trademark personality of the 6

544 LB-FT Mercedes M157 engine performance when measured

RENNtech ECU Upgrade | W212 | E 550 | 480HP / 605 LB-FT | 4.7L V8 BiTurbo | M278 | MY2014-2016 bmw-x5--e70----2010-2013--xdrive35d-3-0-l-i6-twin-turbo-diesel--m57n2--esr5029908 CLK CABRIOLET (A 209) 350ECU Upgrade 480HP 605LB FT Gains: +45HP +162LB 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