M-Class (W164) Produced 2006-2011: ML280CDI, ML320CDI, ML420CDI, ML350, ML500, ML550

Slightly soft brakes (GL320)

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Old 06-05-2016, 02:51 PM
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2007 W211 E350 4Matic / 2008 X164 GL320 CDI
Slightly soft brakes (GL320)

Slightly soft brakes
(Cross posed from X164 because more people seem to read this forum)

I think I let a little air in when bleeding the brakes when I changes front rotors and pads a while back.

So, I figured I would rebleed the brakes.
Only did the front, and used the power bleeder.
Set the pressure at 12PSI and opened the bleeder screw, and while it was bleeding cycled the brake peddle a couple of times. (Figured maybe the air was trapped in the hamster cylinder).

Did both fronts twice, ran through about 1/2 liter of fluid, no noticeable bubbles in the fluid bleeding out, but the brakes still feel a little soft.

It has been long enough that I might have forgotten how the felt originally.
I also changed to Centric Ceramic Posi-Quiet pads when I know don't have the best grab.

Thoughts?

Do you need to use a service tool to cycle the ABS on these cars?

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