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

RENNtech Smart Car ECU Upgrade (69HP/66LB-FT) mercedes-benz-e-class-sedan--212---2010-2013--e-350-esr7514707RENNtech 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

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

but at higher rpm it fully unleashes an incredible deep sporty sound from the F1-inspired

Our intermediate level ECU+ upgrade for the Mercedes M157 Biturbo 4-MATIC engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability

and faster shift times

the Evolution Line sounds like the top-performing Evolution Race system

RENNtech exhaust products are ceramic coated to reduce heat in the engine compartment as well as combat against thermal stress

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

The R1 performance package increases performance to 611 hp and 592 lb/ft without sacrificing daily driver comfort or reliability

the R3 upgrade includes RENNtech Stage II Turbo’s

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

W213 - E63 AMG 4MATIC+ Sedan (2 Filters required) (Year: 18 >)

More power isn’t the only performance benefit as our turbo spools quicker