Verify the exact ML63 AMG model year and drivetrain system
Check whether the vehicle has a transfer case and front driveshaft
Remove the front driveshaft
Remove or disable the front differential if applicable
Reconfigure the transfer case to send no torque to the front axle if possible
Install a custom rear-wheel-drive conversion solution if the factory system cannot be reprogrammed
Replace or modify the center differential or transfer case internals as required
Update the ECU, TCU, and drivetrain control modules to prevent fault codes
Disable traction, stability, and AWD-related systems as needed
Address ABS, ESP, and wheel-speed sensor calibration issues
Verify transmission and driveshaft compatibility with rear-wheel-drive operation
Inspect axle shafts, hubs, and front suspension components after conversion
Test for drivability, vibration, and warning lights
Have the conversion performed or verified by a qualified Mercedes-Benz performance specialist
Confirm local legal and safety compliance before driving on public roads