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RENNtech Intermediate ECU Upgrade M157

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RENNtech M157 Biturbo ECU Upgrades are TÜV approved!

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.

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. 

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.

 

CLS 63 AMG (C218 - M157 Biturbo 4-MATIC Engine) Stock Performance:

  • CLS 63 AMG:
  • 550 HP @ 5,250-5,750 RPM; 531 LB-FT @ 1,750-5,000 RPM
  • CLS 63 AMG S:
  • 577 HP @ 5,500 RPM; 590 LB-FT @ 2,000-4,500 RPM
  • Note: Mercedes M157 engine performance when measured obtains higher numbers that rated from factory.

 

Modified Performance:

  • CLS 63 AMG:
  • 638 HP @ 5,550 RPM; 695 LB-FT @ 2,750-4,000 RPM
  • CLS 63 AMG S:
  • 638 HP @ 5,550 RPM; 695 LB-FT @ 2,750-4,000 RPM

Brand: RENNtech
Product Code: 54.218.CLS63BI.FL4M
$2,850.00
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