RENNtech ECU+ Upgrade | C216 | CL 550 | 540HP / 705 LB-FT| 4.7L V8 BiTurbo | M278 | MY2011-2014 bentley-flying-spur--2020-present--4-0l-v8-tfsi-esr8250520 Titanium lug bolts are an

Titanium lug bolts are an optional upgrade for this wheel

GT63 AMG S 4MATIC+ (MY2018+ | W213 | M177 | 4

5L V8 BiTurbo

Numbers published by MBUSA are an average over a 750 rpm range for HP and a 2

RENNtech ECU+ Upgrade | C216 | CL 550 | 540HP / 705 LB-FT| 4.7L V8 BiTurbo | M278 | MY2011-2014 bentley-flying-spur--2020-present--4-0l-v8-tfsi-esr8250520 Titanium lug bolts are anECU+ Upgrade 540HP 705LB FT Gains: +92HP +167LB FT 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 minutes and the vehicle can be