RENNtech ECU Upgrade for GL 350 BlueTec (X164- 253 HP / 464 LB-FT) ferrari-612--2004-2011--esr6569405

RENNtech ECU Upgrade for GL 350 BlueTec (X164- 253 HP / 464 LB-FT) ferrari-612--2004-2011--esr6569405RENNtech ECU Upgrade for 164 GL 350. up to 253HP and 464LB FT. Gains: +23HP & 75LB FT RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability. RENNtech tuning software

along with machined "RENNtech" and "Forged" branding integrated into the adjacent spoke windows

818 LB-FT @ 6

but retains the factory lane departure warning audible tone or steering wheel vibration

Mercedes M178 engine performance when measured

Our mufflers with 2 1/2 inch diameter tubing offer lighter weight than the stock exhaust and improve performance by reducing exhaust back pressure

up to 10 HP and 15 LB-FT

5" ET 40 Construction: 1 pc

DYNO tested Stock: 841 HP | 1007 LB-FT

ECU+ Upgrade | Up to 392 HP / 463 LB-FT | Gains: +30 HP & +84 LB-FT

What is included in the R1 package:

RENNtech | AMG Customer Racing Logo in Front

384 LB-FT @ 2