RENNtech Smart Car ECU Upgrade (69HP/66LB-FT) mercedes-benz-e-class-sedan--212---2010-2013--e-350-esr7514707 the R3 upgrade includes RENNtech

the R3 upgrade includes RENNtech Stage II Turbo’s

and faster shift times

we recommend remapping the ECU in order to prevent potential »check engine light« warning signals

and provenance- this limited edition "Hart Like a Hammer" boxy fit tee is a tribute to the engines that defined an era

CLK (C208) 430 [2 Filters Required] (HP: 279 | Year: 99 > 03)

RENNtech Smart Car ECU Upgrade (69HP/66LB-FT) mercedes-benz-e-class-sedan--212---2010-2013--e-350-esr7514707 the R3 upgrade includes RENNtechRENNtech Smart Car ECU Upgrade. Up to 69HP and 66LB FT. Gains: +5HP & +5LB FT Our proprietary SMART 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 proprietary tuning software and