RENNtech ECU Upgrade | S 600 | W220 | 417HP/446LB-FT | 5.8L V12 | M137 | MY2000-2002 audi-sq8--4m8---2019-present--4-0l-v8-tfsi-esr2301638 E400 (MY2017+ | S213 |

E400 (MY2017+ | S213 | M276 | 3

Rated by RENNtech (peak @wheel):              665 whp @ 5

720 LB-FT @ 3

X156 - GLA 45 AMG

The maximum power number reached with the RENNtech ECU+ Upgrade for the W463 - G 550 is up to 528 HP and 558 LB-FT

RENNtech ECU Upgrade | S 600 | W220 | 417HP/446LB-FT | 5.8L V12 | M137 | MY2000-2002 audi-sq8--4m8---2019-present--4-0l-v8-tfsi-esr2301638 E400 (MY2017+ | S213 |RENNtech ECU Upgrade for the 220 S 600. Up to 417HP and 446TQ. Gains: +55HP & +56TQ RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal! Our proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few