RENNtech ECU Upgrade | GLE 400 | X292 | 392HP/432LB-FT | 3.0L BiTurbo V6 | M276 ferrari-458--2009-2015--esr3806621 Fit and finish meets OEM

Fit and finish meets OEM Mercedes-Benz quality standards thanks to the parts 100% pre-preg carbon fiber construction

Our pre-preg production process ensures our customers receive an exceptional product which not only looks good on the vehicle while standing still

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

Rated by RENNtech (peak @wheel):              505 whp @ 5

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

RENNtech ECU Upgrade | GLE 400 | X292 | 392HP/432LB-FT | 3.0L BiTurbo V6 | M276 ferrari-458--2009-2015--esr3806621 Fit and finish meets OEMRENNtech 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