2005 Mercedes Benz ML350 Brakes

Here is a video showing it done. It is for a 91 to 96 Mercedes. That was as close as we have for a Mercedes. However, it should be helpful.

https://www.2carpros.com/articles/rear-brake-pad-and-rotor-replacement-video-1991-1996-mercedes-benz-300sd

Here are directions for a rear wheel drive vehicle. First is front brakes and the second is for rear.

https://www.2carpros.com/articles/how-to-replace-front-brake-pads-and-rotors-on-rear-wheel-drive-cars

https://www.2carpros.com/articles/how-to-replace-rear-brake-pads-and-rotors

I believe your vehicle has 4 wheel disc brakes. If it has rear drum brakes, here are directions.

https://www.2carpros.com/articles/how-to-replace-rear-brake-shoes-and-drums

NOTE: The directions include replacing the wheel cylinder and drums. If the wheel cylinders are not leaking, most likely they are fine. The drums should be measured to make sure they are within usable spec.