RENNtech ECU+ Upgrade | C253 | GLC63 (S) AMG 4MATIC+ Coupe | 601 HP/644LB-FT | 4.0L V8 BiTurbo | M177 | MY2016+ porsche-panamera--971---2016-2024--turbo-esr5776882 Model Year 1996 – 2000

Model Year 1996 – 2000 : Bench Flash (ME2

405 LB-FT @ 3000 RPM

The maximum power number reached with the RENNtech ECU Upgrade for the GT 63 AMG S 4-Door Coupe is 783 HP and 798 LB-FT

This process creates a laminate with a precisely controlled resin volume and in turn is 20-30% stiffer and stronger than an equivalent thickness wet laminate process

362 hp @ 4

RENNtech ECU+ Upgrade | C253 | GLC63 (S) AMG 4MATIC+ Coupe | 601 HP/644LB-FT | 4.0L V8 BiTurbo | M177 | MY2016+ porsche-panamera--971---2016-2024--turbo-esr5776882 Model Year 1996 – 2000ECU+ Upgrade GLC 63 AMG S and non S Up to 601 HP 644 LB FT Gains: +75 HP & +113 LB FT RENNtech tuning products are certified to meet CARB standards in all 50 States. 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