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RENNtech ECU Upgrade CLK 320 (W208- 225 HP / 241 LB-FT)

RENNtech ECU Upgrade for 208 - CLK 320, up to 225HP, 241LB-FT.
Gains: +10HP & 12LB-FT
SKU: ECU:54.208.CLK320
Retail price without tax: $995.00

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 for Mercedes offers significant gains in horsepower and torque across the vehicles entire power band. 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 Mercedes true potential.

CLK 320 (W208) Stock Performance:

  • 215 HP @ 5700 RPM; 229 LB-FT @ 3000 RPM


  • 225 HP @ 5700 RPM; 241 LB-FT @ 3000 RPM


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
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