Mercedes C63 2018 iflash You will need a Windows

You will need a Windows 7+ laptop for this process

Tunes for specific octane

we will ship it back via Overnight

Shipping costs for sending handheld will be added at checkout

Extend or add burble/flames

Mercedes C63 2018 iflash You will need a WindowsOBD tunes allow customers to simply plug in a handheld and upgrade their ECU. We ship you a My Genius handheld device which requires a Windows 7+ computer to pass files in between. All the instructions are in the box. You will read the car with the device and email us the stock file. We will email you a tuned file based on your request which you load into the device and flash the car. The device holds the stock and tuned files for easy back and forth.