Mercedes SL63 AMG Biturbo (2012on) – RENNtech ECU upgrade

Description

RENNtech M157 Biturbo ECU Upgrades are TÜV approved!

RENNtech’s proprietary ECU upgrade for the Mercedes M157 engine offers huge gains in performance across the entire RPM range without sacrificing around town comfort or daily driver reliability.

Their ECU tune offers the biggest performance gains on the market; increasing performance from 556 HP and 550 lb/ft torque, to an astonishing 669 HP and 734 lb/ft at the crank! This allows the M157 engine to run the quarter mile on D.O.T. street tyres in an impressive 11.15 seconds at 126.7 mph with 0-60 mph coming in a mere 3.4 seconds.

Equipped with drag radials on the vehicle they were able to achieve an even more impressive quarter mile time. The M157 engine was able to rocket down the drag strip; clocking a quarter mile time of 10.9 seconds @ 129 mph with 0-60 mph coming in 3.2 seconds!

• Note: They have found the new M157 engine stock performance numbers vary from the baseline figures claimed by Mercedes Benz. They typically see slightly higher baseline numbers than claimed by the factory.

SL 63 (R231) Stock Performance (Without Performance Package):

• 530 HP @ 5250 RPM; 590 LB-FT @ 6000 RPM

Modified Performance (Without Performance Package):

• 669 HP @ 5500 RPM; 734 LB-FT @ 3800 RPM

SL 63 (R231) Stock Performance (With Performance Package):

• 557 HP @ 5500 RPM; 664 LB-FT @ 6000 RPM

Modified Performance (With Performance Package):

• 669 HP @ 5500 RPM; 734 LB-FT @ 3800 RPM

Max. Gains:

• +139 HP / +144 LB-FT