C-Class (W204) 2008 - 2014: C180K, C200K, C230, C280, C300, C350, C200CDI, C220CDI, C320CDI

Is B"9" service just B service?

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Old Nov 25, 2018 | 11:02 AM
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Spider 2000's Avatar
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2014 C300 Sport 4Matic
Is B"9" service just B service?

My 2014 C300 says B9 service due. Not finding anything about the "9" on the interwebs. Looks like all DIY for B except for brake bleed? Is this really necessary at 40k miles?
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Old Nov 30, 2018 | 09:48 AM
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Nobody with an opinion on this? Please?
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Old Nov 30, 2018 | 02:46 PM
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Yes it is.
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Old Nov 30, 2018 | 05:41 PM
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Originally Posted by superangrypenguin
Yes it is.
So is it flush and fill or just bleed? I've heard "special" equipment is required to flush. Have you or anyone else DIY'd this? What's needed?
Thanks!
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Old Nov 30, 2018 | 09:42 PM
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Originally Posted by Spider 2000
So is it flush and fill or just bleed? I've heard "special" equipment is required to flush. Have you or anyone else DIY'd this? What's needed?
Thanks!
You never EVER flush + fill for any fluids on the W204. It's a bleed + fill. A flush, by definition, is to flush something with a detergent fluid. If you want to flush/fill with just the brake fluid, that's fine, but that's not the definition of a "flush".

I have never done a brake fluid replacement myself. It's far too much work to do this manually. The dealers have a machine and it's typically an hours labour which is fair.
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Old Dec 1, 2018 | 09:26 AM
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I use a Schwaben Pressure Bleeder from ECS tuning. It works well and they sell a kit with a universal adapter that you can use on other cars. They do sell you a cap that fits your master cylinder. I fill it with two quarts of brake fluid and then I start at the rear right wheel and work my way around the car. The system comes with a catch can.

https://www.ecstuning.com/b-schwaben.../007237sch01a/


Nelson
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Old Dec 1, 2018 | 11:45 PM
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Originally Posted by nelson g
I use a Schwaben Pressure Bleeder from ECS tuning. It works well and they sell a kit with a universal adapter that you can use on other cars. They do sell you a cap that fits your master cylinder. I fill it with two quarts of brake fluid and then I start at the rear right wheel and work my way around the car. The system comes with a catch can.

https://www.ecstuning.com/b-schwaben.../007237sch01a/


Nelson
Cool...I have a vacuum pump I've used on our classic fiat, but don't know if it'll fit the benz' MC. I haven't even looked into it yet, surprised this is needed already, but I'll get it done this week. Have Power Stop upgrade brake and rotor kit coming Wednesday . Love these kits, put one on our A4 this summer and really impressed. The A4 stock rotors weren't drilled/slotted...now they are. Think the kit was about $220 shipped.
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