My Mercedes dealership said my rear break pads were currently at 4 millimeters and they recommend replacing when the get to 3 millimeters. If I drive 5K miles / year mostly city miles (not highway). At what stage will break pads last until it will "not" pass inspection? Also, when you purchase a brand new car how many millimeters is the starting point? For example I purchased my car in 2005, I have 73K miles on it...12 years later I'm at 4 millimeters...what was the beginning millimeters? This helps me understand if I have 6 months left or 2 years left or 6 years left.


When you reach about 2 to 3mm you will fail the inspection. At that thickness the brake warning light will also come on.

Brand new the pads have around 9.5-10 mm.

Hope this helps.

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