RENNtech ECU Hand Held Tuner | HHT | W211 | E55 AMG Kompressor | 517HP/552LB-FT | 5.5L Kompressor | M113 | MY2003-2006 maserati-levante-s-v6-430-ps-esr4635760 Our ECU tune offers the

Our ECU tune offers the biggest performance gains on the market with our dyno results increasing performance from 523 HP and 612 lb/ft torque

The intakes’ smooth flowing design sends more air into your turbos ensuring that your engine gets the volume and airflow that it needs

-engines is EPA Emissions compliant and street legal in all 50 States

X/C253 - GLC-SUV and Coupe GLC 300 (Adaptive Air Suspension Optional)

Size and Offset optimized for 166 - GLE/ML63 AMG Coupe

RENNtech ECU Hand Held Tuner | HHT | W211 | E55 AMG Kompressor | 517HP/552LB-FT | 5.5L Kompressor | M113 | MY2003-2006 maserati-levante-s-v6-430-ps-esr4635760 Our ECU tune offers theRENNtech ECU HHT (HandHeldTuner) for the 211 E55 AMG Kompressor. Up to 517HP and 552LB FT. Gains: +48HP & +36TQ. 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.