I just got my MH back from the service shop for a brake job. The brake pads were in real bad shape. Although there was a lot of pad left, they were disintegrating and separating from the backing pla...
We had the same problem last year with our E-450, pad material flaking off in chunks. Asked the mechanic if he knew why, but said he could only speculate, age, water/salt, heat. He said that driving regularly/weekly MIGHT help, but do you really want to drive it in our winters with the salt.