RENNtech | ECU Upgrade | W463 | G 63 AMG | 635 HP / 620 LB-FT | 5.5L BiTurbo V8 | M157 mercedes-benz-sls-amg--197---2011-2014--sls-black-series--2014--esr5166974 The maximum power number reached

The maximum power number reached with the RENNtech ECU Plus Upgrade for the C205 - C 43 AMG Coupe is 416 HP and 460 LB-FT

X253 | GLC-Class

5L V8 BiTurbo) Stock Performance (at crank):

CLASS S LONG (V 220) 55 AMG V8 [2 Filters Required] (HP: 360 | Year: 99 > 02)

Gains: +63HP & +79LB-FT

RENNtech | ECU Upgrade | W463 | G 63 AMG | 635 HP / 620 LB-FT | 5.5L BiTurbo V8 | M157 mercedes-benz-sls-amg--197---2011-2014--sls-black-series--2014--esr5166974 The maximum power number reachedRENNtech ECU Upgrade for 463 G 63 AMG. Up to 635HP and 620TQ. Gains: +99HP & +60TQ RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal! Our proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few