Hi there. My 2008 Mazda 6 TS2 Diesel has a seat problem at around 30,000 miles. The seat seemed as if it was clicking in & out of the runners. When I took it to the dealers the mechanic said they'd had a spate of these & it was a fault with the seat cradle. After no success from 5 or 6 visits Mazda agreed to change the entire cradle but asked me to 'give a contribution' towards the cost!!! I said no way, they backed down & replaced it. This cured it until a few thousand miles ago when it's started again. It's a known fault & Mazda should have recalled the cars to fix them. Incidentally, I'm 6' 3", 14 stones with a BMI of 24 so pretty slim.