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RENNtech Smart Car ECU Upgrade (69HP/66LB-FT)

RENNtech Smart Car ECU Upgrade. Up to 69HP and 66LB-FT.
Gains: +5HP & +5LB-FT
Retail price without tax: $495.00

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 approach for Porsche is completely unique and independent from our Mercedes tuning program.

RENNtech tuning software for SMART offers significant gains in performance and throttle response without sacrificing your daily driver reliability. By modifying ignition timing and throttle mapping, optimizing air/ fuel ratios, increasing the engines rev limiter and modifying boost mapping for turbo charged vehicles, RENNtech performance software unleashes your SMART's true potential.


Smart Car (Pure and Passion) Stock Performance:

  • 64 HP @ 6500 RPM; 61 LB-FT Torque


Modified Performance:

  • 69 HP and 66 LB/FT Torque



  • +5 HP / + 5 LB-FT


Contact us

7825 SW Ellipse Way, Stuart, FL 34997
(+1) 561 - 845 7888
Mon - Fri 9am - 6pm


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7825 SW Ellipse Way - Stuart, FL 34997
TEL: 561.845.7888 FAX: 561.845.6777 E-MAIL: