Brake pad wear, front or rear?
Thread Starter
Senior Member
Joined: Jul 2008
Posts: 436
Likes: 64
From: Dartmouth, MA
1967 250SE, 2022 GLC300 2023 EQB300, 2018 AMG GT
Brake pad wear, front or rear?
Is there a way to find which brakes are throwing the "Brake Pad Wear" message with DAS?
I tried several ways yesterday but no success. Rear brakes last twice as long as the front ones but I would like to know for sure before I buy pads and rotors.
I tried several ways yesterday but no success. Rear brakes last twice as long as the front ones but I would like to know for sure before I buy pads and rotors.
Thread Starter
Senior Member
Joined: Jul 2008
Posts: 436
Likes: 64
From: Dartmouth, MA
1967 250SE, 2022 GLC300 2023 EQB300, 2018 AMG GT
Yes, I can look at the brakes. I am curious, the pad wear is registered as a flag in the system, apparently the sensors are wired in the driver SAM however I went through all the SAM's but I could not find the pad sensors.
Thread Starter
Senior Member
Joined: Jul 2008
Posts: 436
Likes: 64
From: Dartmouth, MA
1967 250SE, 2022 GLC300 2023 EQB300, 2018 AMG GT
I did that 4 years ago on the rear brakes. I am looking at some serious hammering/torching/WD40ing to remove the rear rotors, the problem is that the rear pads appear to be in order and the front pads are new..
MBWorld Fanatic!
Joined: Feb 2014
Posts: 6,190
Likes: 1,550
From: MA
2008 E350 4Matic, 2011 E350 4matic
Well if the fronts are new, then it's probably the rears. On my rears, the most worn pad was the one with the sensor on it. The outside pad look like it was only half gone, the inside less than 1/4.
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Newbie
Joined: Jan 2024
Posts: 2
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2014 ML350 AMG package
Not true...I have 2014 ML350 with AMG packaging (brakes are same as ML550) and at 70K miles, I have replaced rear rotor once and pads twice. Front ones still look like it has 30k mile life left on them. Front brakes are much beefier and don't wear out as much. I know my Hondas and Lexus have always had front ones go out first. Easiest way to check is to look at the pads through your wheel. Front ones are easy since you can turn the wheel out and see it from the side and clearly see the pads. Rear ones, you may have to take the wheel off to see. If it triggered the sensor, the pads have worn down to about 80-90%.
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