Performance Without Compromise

RENNtech Intermediate ECU Upgrade - 2014+ E 550 BiTurbo (C207- 480HP/523TQ - M278 Engine)

RENNtech Intermediate ECU Upgrade for 207 - E 550 BiTurbo 2014+ FaceLift. Up to 480HP and 523TQ.
Gains: +78HP & +80TQ
SKU: ECU:54.207.E550BI.FL
ecu_tuv_m157_m278.jpgecu_tuv_m157_m278.jpg
Base price $2,480.00
Sales price without tax $1,984.00
Discount $496.00
Description

Our intermediate level ECU upgrade for the Mercedes M278 engine still offers huge gains in performance across the entire RPM range, but with a slightly reduced peak HP and torque from our standard tune.

This is ideal for customers who want increased performance in their daily driver without worry of extra strain on driveline components or for areas and countries with extreme altitudes, temperatures or fuel quality concerns. 

Our intermediate ECU tune increases performance from 402 HP and 443 lb/ft torque to 480 HP and 523 lb/ft at the crank! This is a slight reduction from our standard tune but still offers white knuckle performance at one of the most affordable price points in the tuning market.

 

E 550 (C207) Stock Performance:

  • 402 HP @ 5,000-5,750 RPM; 443 LB-FT @ 1,800-4,750 RPM
  • Note: Mercedes M278 engine performance when measured obtains higher numbers that rated from factory.

 

Modified Performance:

  •  480 HP @ 4900 RPM; 523 LB-FT @ 4100 RPM

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7825 SW Ellipse Way - Stuart, FL 34997
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