Pay in 4 interest-free payments of $182.50 Learn more
Ships within 48 hours · Estimated delivery Oct 19 - Oct 24
No drilling or modifications to the vehicle are required
powerful sound as well as an estimated 40-horsepower gain at the crank
please contact our sales department prior to order
tuning potential
Rated by Mercedes-Benz: 402 HP @ 5
RENNtech HHT ECU Upgrade for ML 350 BlueTec (W166- 260 HP / 485 LB-FT) mercedes-benz-sl-class--230---2003-2006--sl-55-amg-kompressor-esr3404474 No drilling or modifications toRENNtech Hand Held Tuner ECU Upgrade for 166 ML 350 BlueTec. up to 253HP and 485LB FT. Gains: +20HP & +30LB 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.
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