RENNtech ECU Upgrade for E 350 | W212 | 290 HP / 278 LB-FT | MY2010-2011 maserati-levante--2017-present--v6-esr9770991 Our proprietary tuning module stores

Our proprietary tuning module stores both the RENNtech tuned file and your vehicle's stock file

G 55 AMG Modified Performance:

The OG RENNtech logo underscores Hartmut Feyhl's direct lineage from AMG and his role in shaping the Hammer legacy

Up to 761 HP and 632 LB-FT @ crank

SLK 350 (R171) Stock Performance:

RENNtech ECU Upgrade for E 350 | W212 | 290 HP / 278 LB-FT | MY2010-2011 maserati-levante--2017-present--v6-esr9770991 Our proprietary tuning module storesRENNtech ECU Upgrade for 212 E 350. up to 290HP and 278LB FT. Gains: +22HP & 20LB 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 tuning software