Brake pad replacement - DIY - Mercedes-Benz Forum
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#1 (permalink) Old 11-04-2012, 12:17 PM
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Brake pad replacement - DIY

My 28,000 mile 06 SL500 needs pads. I'm comfortable with the job on previous Porsche models but are there any special considerations here? And is a simple pad replacement all that is called for?
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#2 (permalink) Old 11-05-2012, 01:58 PM
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I did my own front and rear on 2004 SL600. Just make sure to open the bleeders when you compress the caliper pistons. Other then that, it was pretty straight forward.
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#3 (permalink) Old 11-05-2012, 04:55 PM
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And make SURE that you DON'T turn on the key while you have the calipers off from the rotors!!!!!
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#4 (permalink) Old 11-06-2012, 03:41 AM
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Originally Posted by drags1998 View Post
And make SURE that you DON'T turn on the key while you have the calipers off from the rotors!!!!!
This is true!
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#5 (permalink) Old 11-10-2012, 04:45 PM
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Almost as Easy as a Porsche

A Porsche is slightly easier than the SL. The only thing I would definitely do is disconnect BOTH batteries and keep the keys AWAY from the car at all times. People have fought back and forth if it is really necessary to disconnect both batteries and my opinion is why be sorry?!? It takes minutes. I also disconnected the ABS module.

Here is some useful info:

http://www.benzworld.org/forums/r230...ory-r230s.html

Scroll down a bit and you'll see both front and rear pad replacement instructions. I've never opened bleeders when doing mine. Remember that when you squeeze back one piston, the other will push out, so you need to lock one down.

Hope this helps!
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#6 (permalink) Old 11-11-2012, 10:42 AM
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I also just redid my brakes. It really is one of the easiest cars to change brakes on.
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#7 (permalink) Old 11-11-2012, 07:51 PM
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Why, what happens if you do this?

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Originally Posted by drags1998 View Post
And make SURE that you DON'T turn on the key while you have the calipers off from the rotors!!!!!


Just curious; what happens if you do turn on the key with the calipers off the car?
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#8 (permalink) Old 11-12-2012, 01:09 PM
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I read somewhere that under some conditions the ABS unit could cycle on if the key is turned on!!!! If this happens with the calipers removed from the rotors, you COULD be buying New Calipers AND a New Paint job!!!!!!! (Brake Fluid will SPRAY EVERYWHERE!!!)
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#9 (permalink) Old 11-16-2012, 11:39 AM
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Just curious; what happens if you do turn on the key with the calipers off the car?
You dont even need to "turn the key" to wake the car up. If you so much as walk by the car with your key in your pocket it will "wake up" and may perform a system check. My advice...disconnect BOTH batteries and the control unit. Then place the key in your home...away from the car. Don't take chances...save your fingers...
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#10 (permalink) Old 11-18-2012, 04:46 PM
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The brakes use a seperate pump that is activated electrically. You could loose a finger or worse if it were to activate. There is a procedure to deactivate the system, which requires not to open the driver's door. Go figure. Search the forums for the procedure.
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