RENNtech ECU Upgrade | Rolls Royce Dawn | 712HP/774LB-FT mercedes-benz-e-class-sedan--212---2010-2013--e63-amg--2010-2011--esr6615885 R2 Performance Package for Mercedes-AMG

R2 Performance Package for Mercedes-AMG G 63: ECU

S 63 AMG (W222 | Sedan | MY2014-2017 | 4MATIC | M157 | 5

Standard Valve Stems or TPMS

The result is nothing short of spectacular with gains up to 104 HP and 105 lb-ft

620 LB-FT @ 3800 RPM

RENNtech ECU Upgrade | Rolls Royce Dawn | 712HP/774LB-FT mercedes-benz-e-class-sedan--212---2010-2013--e63-amg--2010-2011--esr6615885 R2 Performance Package for Mercedes-AMGRENNtech ECU Upgrade for Rolls Royce Dawn. Up to 712 HP 774 LB FTGains: +95HP & +90LB FT Our proprietary Rolls Royce ECU upgrade offers rock solid performance from RENNtech, the foremost tuning authority on Bosch and Siemens engine control units. These same units are utilized in Mercedes Benz vehicles, which RENNtech has been tuning since electronic engine management started to show up in vehicles during the mid 1980's, though our tuning software and