How to change rear brake pads? Any DIYs? - Mercedes-Benz Forum
 
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#1 (permalink) Old 02-12-2009, 08:09 AM
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How to change rear brake pads? Any DIYs?

Has anyone seen online a DIY to change rear brake pads on a W204?

I ask because of the defective rear brake pads my car came with. I have too many miles for free replacement, but it only costs $60 to buy them myself, so I just want to do it myself.

However, is the car too new to find any DIY online?

Thanks so much.

2008 C300 Sport with P2 Package
2009 SLK 350 with P1 & Heating
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#2 (permalink) Old 02-12-2009, 09:59 AM
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If you know brakes, it can't be very hard. If you haven't changed brakes much in the past, you probably should not be doing them yourself on this car. Usually it is simply: remove wheel, either 1/remove caliper mounting bolts and lift off disc or 2/undo brake pad retainer and swing out, then remove pads being careful to avoid damaging the clips/squealers. push piston back into cylinder with a c clamp, and insert new pads. Ideally, get the rotors turned, or replace them if damaged or under thickness. Take care to protect the ABS components, of course. Reassemble. I've probably installed a half million sets of rear brakes (I worked in a car plant), have done so on every car I've owned, and I would not hesitate to change the brakes on the W204 myself. I always put new disks on to be sure everything is perfect and to save the time it takes to re-do.
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#3 (permalink) Old 02-12-2009, 10:59 AM
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The rear brakes seem so similar to other MB models that almost any existing DIY guide should be sufficient. Should not be too difficult even without any DIY guide.
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#4 (permalink) Old 02-12-2009, 11:10 AM
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If you have done brake job before in your other vehicles, I don't think you'll have much trouble.

Looks like a perfect excuse to get some drilled rotors to match the front ones.
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#5 (permalink) Old 02-12-2009, 11:53 AM
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Originally Posted by javavu View Post
Looks like a perfect excuse to get some drilled rotors to match the front ones.
Good call! Anyone know how much those would cost?

92% of all people suck at math. I am a part of the 9% who don't.

Current Cars:
2008 ML320 CDI 4MATIC (W164) - Silver/Black
2008 C230 4MATIC (W204) - White/Black

Past Cars:
2002 E320 (W210) - Silver/Black - Sold due to rust
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#6 (permalink) Old 02-12-2009, 01:14 PM
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I just want to replace the defective pads. I'm sure the rotors are fine.

Is there a brake pad sensor on the rear pads or only front?

Finally - Yes I have done brake pad changes before. Does Mercedes put some kind of squeak stuff on the piston side of the pads? If so, what kind? Like the aerosol stuff?

Thanks!!

2008 C300 Sport with P2 Package
2009 SLK 350 with P1 & Heating
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#7 (permalink) Old 02-12-2009, 04:29 PM
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just be aware 99% of all foreign cars have screw in rear pistons. there is a special adapter you need to screw the piston as you compress, auto zones will lend you the tool with a deposit for free, a cheap tool can be had for 20 bucks, pro about 60. If youve done disc brakes B4 its the same. use the blue aerosal around the whole backs, there is a sensor, and grease the caliper slides and brake pad holder slides
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