Put them in my GL450 and as soon as I left the car park I knew something was terribly wrong. It has absolutely no stopping power on a large mercenary. It has no friction and squeaks when you try to stop. The brake pedals themselves now have worse feedback than the previous semi-metal front pads I had. They're advertised as ceramic, but they definitely don't work as well as regular $40 pads. They are awful and I will never be tricked into buying them again. Eventually I took my Benz to theβ¦