I was at the dealer checking out the AMG cars but noticed that all Mercedes seems to have the passenger side brake rotors mounted the wrong way. Is it a cost savings thing that all they don't need two part numbers for left and right. Even the SLS are like that. Very strange to see the slotted and cross drilled rotors pointing the wrong direction.

 

I never noticed. I'm going to try to look at my old pictures and see if that's how it was. I did the C32 AMG brake upgrade when I Kleemann Supercharged my C.

 

While the drilling pattern seems to show that they rotors are either L or R, the cooling vanes on the inside of the rotors are straight (from center to outside edge of rotor) so they perform the same on either side of the car. So its one part for both sides of the car.

 

cost saving likely, but yea they go the wrong way

 

Never really noticed. Going to go look at a pic

 

OIC. So the venting is the same tho less efficient than the curved vanes.

The SLS with the slotted rotors are going the wrong way too? Doesn't that matter?

 

I never noticed the regular SLS brakes - I don't know (the carbon brakes are only drilled). I have seen slotted brakes on other cars that seem backwards - I assume it is the same concept (one part for both sides) and that the way the slot hits the pad doesn't really matter (although it seems like it could).

 

Well. A 99% of Mercedes driver won't heat up their brakes that much to make the difference in rotor temperature or enough to notice a wear difference between left and right. They prob won't even know even if the right wears 15% faster than the left. When dealer say it's time to change. It's time to change. But as a tech guy like me, I can't drive a car with one side backwards. I will have to go with the carbon option.