RENNtech | ECU Upgrade | R172 | SLK 350 BlueEFFICIENCY | 308HP/285LB-FT | 3.5L V6 NaturallyAspirated | M276 audi-rs7--c8---2019-present--4-0l-v8-tfsi-esr3673228

RENNtech | ECU Upgrade | R172 | SLK 350 BlueEFFICIENCY | 308HP/285LB-FT | 3.5L V6 NaturallyAspirated | M276 audi-rs7--c8---2019-present--4-0l-v8-tfsi-esr3673228RENNtech ECU Upgrade for 172 SLK 350 BlueEFFICIENCY. up to 308HP and 285LB FT. Gains: +6HP & +12LB FT RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability. RENNtech

332 LB-FT @ 3000-4600 RPM

CFD analysis

Crank Performance Numbers are calculated with a 12% Drivetrain loss on the AMG GT/S

RENNtech SLR package 2 contains our proprietary ECU

Installation of sport mufflers will require cutting and welding of OEM exhaust

750rpm range for TQ

831 LB-FT @ 6

Up to 460HP and 464LB-FT

Prepreg is widely known as the finest process in carbon fiber manufacturing and has been used for aerospace and military applications because of its superior consistency in weight

448 awhp @ 5

Gains: +107HP & +115LB-FT

The RENNtech Sport Muffler System for the C205 - C 63 AMG Coupe comes with an integrated valve system and utilizes the electronic OEM actuators