RENNtech ECU Upgrade | GLE 400 | X292 | 392HP/432LB-FT | 3.0L BiTurbo V6 | M276 ferrari-458--2009-2015--esr3806621 With the proprietary RENNtech ECU

With the proprietary RENNtech ECU Tuning the C190 AMG GT gains up to +95 HP and +131 LB-FT

Our intermediate level ECU upgrade for the Mercedes M157 Biturbo 4-MATIC engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability

745 LB-FT @ 1800-3500 RPM

ECU+ Upgrade | Up to 601HP / 582LB-FT | Gains: +65HP & +87LB-FT

RENNtech ECU Upgrade | GLE 400 | X292 | 392HP/432LB-FT | 3.0L BiTurbo V6 | M276 ferrari-458--2009-2015--esr3806621 With the proprietary RENNtech ECURENNtech ECU Upgrade for 292 GLE 400 BiTurbo 4 MATIC Coupe. Up to 392HP and 454LB FT. Gains: +40HP & +70LB FT RENNtech M276 Biturbo ECU Upgrades are TV approved! 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