[Litmusplaine]

So I had a noise coming from my right front tire yesterday while traveling home from work. It sounded like a scraping noise and I noticed the right front rim was much hotter then the rest of the rims. It was more pronounced when I hit the brakes. I took the wheel off today fully expecting to replace the brake pads. The pads look fine but there is a ton of dust on the rim. I also noticed that while I could spin the rotor by hand it rubbed the pads pretty good in spots. Warped rotor maybe? Has anyone else experienced this? I love the car but it makes weird noises! The whine backing up. The "clatters of the transmission. The odd sounding 3 cylinder with a slight tick at idle. Am I just too tuned in to the little car?

On a side note I popped off the stock hubcaps and really am digging the look of my 2013 pure sans hubcaps


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[jimvw57]

Paint the Smart emblem on the center cover (silver circle with yellow arrow) and it will really pop!!

The stock brake pads are terrible for creating a lot of dust. Best thing to do is to change them out for a set of ceramic pads (got mine from O'Rieleys Auto Parts) and the dust problem will go away. the noise you are hearing is either flash rust (also common) or a hard spot on the rotor. gets that way from a hard stop and sitting with the brakes applied. Usually when I stop. I come to a stop, then roll ahead a bit so the rotors have a chance to be exposed to cool air where the stop ended. Works for me anyhow.

BrakeBest Select Ceramic C1252 - Brake Pad | O'Reilly Auto Parts

 

[SuperSmartie]

Both my front brakes have been scraping occasionally ever since the car was new. At first, I was pretty annoyed. Especially in the ED, this was the loudest noise by far when rolling along a quiet road. Note that my noise is happening when the brakes are not applied.

MB tried fixing it a couple of times - they did some fiddling first, then replaced the rotors. No significant change. They gave up. I eventually accepted that it may just be a "feature" of the floating caliper design.

 

[Niteshooter]

So I had a noise coming from my right front tire yesterday while traveling home from work. It sounded like a scraping noise and I noticed the right front rim was much hotter then the rest of the rims. It was more pronounced when I hit the brakes. I took the wheel off today fully expecting to replace the brake pads. The pads look fine but there is a ton of dust on the rim. I also noticed that while I could spin the rotor by hand it rubbed the pads pretty good in spots. Warped rotor maybe? Has anyone else experienced this? I love the car but it makes weird noises! The whine backing up. The "clatters of the transmission. The odd sounding 3 cylinder with a slight tick at idle. Am I just too tuned in to the little car?

On a side note I popped off the stock hubcaps and really am digging the look of my 2013 pure sans hubcaps


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This sounds like pads sticking, might be rust where the pads contact their retaining clips/holders. When was the last brake job done? Rotors rusty or if the car has been sitting is there a patch of rust about where the pads were sitting? Might just need to sand the rough spots off however if the wheel feels a lot warmer or you get a funny burning smell then it is likely sticky pads.

We get that a lot up here due to all the salt on the roads cauinge extensive rusting plus as other have mentioned the OEM pads aren't the greatest.

 

[jzchen]

Sounds like the rotors warped, but why. Is the caliper not moving freely/sticking?

 

[Litmusplaine]

Put new rotors and shoes on the front. Super easy change and no noise after!


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