Mercedes 722.9 Seven Speed Transmission Upgrade mercedes-benz-s-class--222---2018-2020--s560-biturbo-esr2097898 G 500 (W463) Stock Performance:

G 500 (W463) Stock Performance:

The maximum power number reached with the RENNtech ECU Plus Upgrade for the C253 - GLC 43 AMG Coupe is 416 HP and 460 LB-FT

Rated by Mercedes-Benz:      577 HP @ 5

ECU Upgrade | 500HP / 625LB-FT | Gains: +52HP / +87LB-FT

The maximum power number reached with the RENNtech ECU Upgrade for the GLE 63 S AMG EQ Boost+ is 745 HP and 767 LB-FT

Mercedes 722.9 Seven Speed Transmission Upgrade mercedes-benz-s-class--222---2018-2020--s560-biturbo-esr2097898 G 500 (W463) Stock Performance:RENNtech Transmission Upgrade for 722. 9 Mercedes Seven Speed Transmissions. With increased engine performance it becomes necessary to further improve the drive line components, most importantly the transmission in order to ensure maximum power is transmitted to the drive wheels without transmission slippage. This can not be realized with software and only truly be accomplished by an internal mechanical upgrade to the transmission hardware. RENNtech