RENNtech ECU Upgrade | A 45 AMG | W176 | 428HP/417LB-FT | 2.0L Turbo | M133 mercedes-benz-gle-class--166---2016-2020--gle-63-amg-esr4679580 Maserati Ghibli S Q4 (M157)

Maserati Ghibli S Q4 (M157) 2018+

and greater stability at high speeds

All this while still maintaining the same approach angle as the OE front fascia so the RENNtech splitter retains the same clearance for parking stops and steep driveways

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

RENNtech ECU Upgrade | A 45 AMG | W176 | 428HP/417LB-FT | 2.0L Turbo | M133 mercedes-benz-gle-class--166---2016-2020--gle-63-amg-esr4679580 Maserati Ghibli S Q4 (M157)RENNtech ECU Upgrade for the 176 A 45 AMG. Up to 428HP and 417TQ. Gains: +73HP & +85TQ 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 delivers the file you choose directly to the ECU. Programming takes only a few