Achieve maximum power from the biturbo V8 without sacrificing drivability or reliability by fine-tuning the engine's performance. Fabspeed Motorsport offers an alternative tuning method for vehicles equipped with ECU's that traditionally required bench flashing. No longer do you need to remove your ECU and mail it in for a tune. The Handheld device interfaces with the OBD-II port on your vehicle and to complete the tuning process. Simply flash your G-Wagon with a Fabspeed ECU XperTune utilizing the included handheld tuner. Our XperTune upgrade improves horsepower, torque, and driving characteristics by reprogramming various sensor inputs, air/fuel ratios, and boost pressure.

POWER:

Our XperTune gets the most power out of your G-Wagon while keeping all the engine parameters safe. You will unleash massive curve gains of 80 HP and 130 ft/lbs of TQ.

FEATURES:

• Fits all Mercedes Benz AMG G63 G-Wagon Vehicles from 2015-2018
• Power gains of 80 HP and 130 ft/lbs of TQ
• The handheld device saves the factory tune and can be used to reflash the car back to stock at any time
• Simple straight forward user interface
• Great part-throttle drivability
• Co-developed in Germany and USA
• All Fabspeed performance products are backed by the Fabspeed Lifetime Warranty

TUNING PROCESS:

1. Read stock data on the vehicle via OBD-II port with Handheld
2. Interface Handheld with the software on your computer and send in data to Fabspeed Motorsport via email to tuning@fabspeed.com 
3. We use this data along with the information you provide about your vehicle to write a tune for your specific setup and email back your custom tune in 1-2 business days
4. Write the Fabspeed ECU Tune to your Handheld, then to the vehicle with the Handheld
5. Enjoy your increased performance!

NOTES:

• Please review our Tuning Guide in the instructions above and email the ECU Tuning Information form to us. We utilize this form to ensure we meet your needs and consider your modifications to deliver the best possible results.
• You must have access to a PC / Windows computer (Mac OS not supported) to upload your factory file information to us via email and in turn apply our ECU Tune to your Handheld device. 
• Upon sending us your vehicle information, our tuner will email you a custom ECU Tune(s) within 1-2 business days. 
• The Handheld device "marries" with your vehicle and can only be used on one vehicle.

Need some help using our XperTune Handheld Tuner? Watch our tuning tutorial video!