Mercedes-AMG SL 55 & GT 55 | RPM ECU-Upgrade | C192 & R232 | 4.0 L BiTurbo | 579 HP | 664 LB-FT mercedes-benz-cl-class--215---2001-2006--cl-600-biturbo--2003-2006--esr3211224 Note: Mercedes M137 engine performance

Note: Mercedes M137 engine performance when measured obtains higher numbers that rated from factory

Front Splitter for 218 - CLS Class

RENNtech Carbon Fiber Front Strut Bar for the 204 - C Class - GLK Class

GLS550 (X166 | MY2016+ | 4MATIC | M278 | 4

Porsche Cayenne (92A | MY2011-18)

Mercedes-AMG SL 55 & GT 55 | RPM ECU-Upgrade | C192 & R232 | 4.0 L BiTurbo | 579 HP | 664 LB-FT mercedes-benz-cl-class--215---2001-2006--cl-600-biturbo--2003-2006--esr3211224 Note: Mercedes M137 engine performanceRENNtech Power Module ECU Upgrade for Mercedes AMG SL 55 & GT 55 C192 & R232 4. 0 L BiTurbo w EQ Boost M177 579 HP & 664LB FT RENNtech Power Module (RPM) ECU tune increases horsepower and torque across the entire power band. By modifying ignition timing, throttle mapping, optimizing air to fuel ratios of the 4. 0 liter BiTurbo V8 engine (M177) found in the Mercedes AMG SL series of vehicles. The RPM is contained in a CNC machined 6061 aluminum case