RENNtech ECU+ Upgrade | C253 | GLC63 (S) AMG 4MATIC+ Coupe | 601 HP/644LB-FT | 4.0L V8 BiTurbo | M177 | MY2016+ aston-martin-dbx-straight-six-esr4024283 Dyno measured by RENNtech (peak

Dyno measured by RENNtech (peak @crank):          339 HP @ 5

Plug and Play with original plugs

RENNtech’s side skirts feature an OEM level of quality

This design flows seamlessly into the front apron and is a simple

com or call our sales-team under 561

RENNtech ECU+ Upgrade | C253 | GLC63 (S) AMG 4MATIC+ Coupe | 601 HP/644LB-FT | 4.0L V8 BiTurbo | M177 | MY2016+ aston-martin-dbx-straight-six-esr4024283 Dyno measured by RENNtech (peakECU+ 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