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 G 63 (W463) M157 Bi

G 63 (W463) M157 Bi Turbo-Stock Performance:

Front Splitter for 218 - CLS Class

RENNtech Carbon Fiber Rear Wing | C190  AMG GT Series

Please note:  Our airbox for the M157 will require modification to the OEM engine cover

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

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 G 63 (W463) M157 BiRENNtech 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