RENNtech ECU Upgrade | GLE 400 | X292 | 392HP/432LB-FT | 3.0L BiTurbo V6 | M276 ferrari-458--2009-2015--esr3806621 CLS 400 BiTurbo (C218 -

CLS 400 BiTurbo (C218 - M276 Biturbo 4-MATIC Engine) Modified Performance:

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

745 LB-FT @ 1800-3500 RPM

Installation requires no modifications to the trunk lid or body work and installs using 3M double sided automotive adhesive strips

X253 - GLC SUV GLC63 AMG SUV | MY2020+

RENNtech ECU Upgrade | GLE 400 | X292 | 392HP/432LB-FT | 3.0L BiTurbo V6 | M276 ferrari-458--2009-2015--esr3806621 CLS 400 BiTurbo (C218 -RENNtech 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