$2,450.00
RENNtech M133 ECU Upgrades are TÜV approved! Our proprietary ECU upgrade for the Mercedes M133 engine offers huge gains in performance across the entire RPM ...
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$2,980.00
RENNtech M157 Biturbo ECU+ Upgrades are TÜV approved! ... 93+ Octane gasoline is ... Mercedes-Benz: 518 HP @ 5,500rpm; 520 LB-FT @ 2,000-4,500rpm; Rated by RENNtech ...
Jul 23, 2020 · They get that number by claiming the stock horsepower quoted by Mercedes is underrated and their testing showed the stock C63s made 545 HP ...
Jun 26, 2021 · Renntech is approved by mercedes-AMG and won't void your warranty. ... Renntech tunes are not 'approved' by Mercedes. It is really going to be up ...
Nov 10, 2020 · Offroad Hamster is correct. A Renntech tune is a full ECU flash, which allows changing any number of ECU parameters and modifying maps.
$2,480.00
RENNtech M157 Biturbo ECU Upgrades are TÜV approved! ... This is ideal for ... Rated by Mercedes-Benz: 577 HP @ 5,500rpm; 590 LB-FT @ 2,000-4,500rpm; Rated by ...
Jun 9, 2020 · Originally Posted by vadermerc. I was told by my aftermarket shop that this was approved by Mercedes and doesn't void the warranty. COuld ...
$2,480.00
RENNtech M157 Biturbo ECU Upgrades are TÜV approved! ... by Mercedes Benz. We typically see higher ... Rated by RENNtech: 638 HP @ 5,500rpm; 695LB-FT @ 3,700rpm.
$2,240.00
RENNtech M157 Biturbo ECU Upgrades are TÜV approved! ... This is ideal for ... Rated by Mercedes-Benz: 577 HP @ 5,500rpm; 664 LB-FT @ 2,000-4,500rpm; Rated by ...
$2,850.00
RENNtech M157 Biturbo ECU Upgrades are TÜV approved! Our intermediate level ECU upgrade for the Mercedes M157 engine still offers huge gains in performance ...