RENNtech | ECU Upgrade | R172 | SLK 350 BlueEFFICIENCY | 308HP/285LB-FT | 3.5L V6 NaturallyAspirated | M276 maserati-quattroporte--156---2013-present--s-q4--3-0l-twinturbo-v6--esr5790423 shift timing

shift timing

Gains: up to 10 HP & 15 TQ

The module must stay plugged in for data logging

Gains up to: +61 HP | +59 LB FT

Giving further weight savings over stock—when used in conjunction with the Slip-On—the combination of this pairing highlights the exceptional character of the Porsche boxer twin-turbo engine

RENNtech | ECU Upgrade | R172 | SLK 350 BlueEFFICIENCY | 308HP/285LB-FT | 3.5L V6 NaturallyAspirated | M276 maserati-quattroporte--156---2013-present--s-q4--3-0l-twinturbo-v6--esr5790423 shift timingRENNtech 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