Bleeding the brakes - Mercedes-Benz Forum

LinkBack Thread Tools Display Modes
post #1 of 8 (permalink) Old 09-29-2011, 07:13 AM Thread Starter
BenzWorld Junior Member
Date registered: Jul 2011
Vehicle: W245 B180 CDi 2008
Location: Suffolk, UK
Posts: 10
Mentioned: 0 Post(s)
Quoted: 0 Post(s)
(Thread Starter)
Bleeding the brakes

Is bleeding a straight fwd job? i.e open nipple and pump pedal like on an old car with single circuit and no abs, or is there anything to be aware of with the ABS system like having the engine running or having to open more than one nipple due to cross circuits or only pressing the pedal half way etc?
Also is the fulid std dot4?
keithscarfe is offline  
Sponsored Links
post #2 of 8 (permalink) Old 09-29-2011, 10:28 AM
BenzWorld Newbie
Date registered: Sep 2011
Posts: 1
Mentioned: 0 Post(s)
Quoted: 0 Post(s)
A number of the MB vehicles use DOT 4 fluid. It's always a good idea to stay with the same spec recommended by the manufacturer. When it comes to bleeding the base brake system be sure to follow the bleed sequence that is recommended. Eg: LR, RF, RR, LF or LR, RR, RF, LF. This will be the best way to get air out of the system. Unless ABS modulator has been serviced or replaced, the base brakes should be straight forward. Press the brake pedal, then open bleeder. When the pedal is almost bottomed out, stop. Tighten bleeder, then release the brake pedal. Pumping the pedal up can turn large bubbles into more like foam, which is harder to get out of the system.
BendixAnswerMan is offline  
post #3 of 8 (permalink) Old 09-29-2011, 10:45 AM
BenzWorld Member
guenter's Avatar
Date registered: Nov 2006
Vehicle: '89 E300, '06 B200, '15 VW Tiguan
Location: Waterloo, Ontario
Posts: 377
Mentioned: 0 Post(s)
Quoted: 3 Post(s)
I just finished bleeding my brakes as described - no problems. I didn't follow the sequence, didn't know about it, but it can't be 'that' important. Interestingly, while I was also replacing pads and rotors (FYI, I did not put the torx screw back in since I had to drill them out) I had a look at the piston cylinder since I hadn't changed the brake fluid in the 165k km that are now on the odometer. In view of past discussions here of dire consequences if brake fluid isn't changed regularly, I expect signs of some rust etc. Nothing, chrome surface was beautiful and shiny. sooo, take that all of you who need to change fluids (and spark plugs ) often

cheers, guenter

had and gone: VW Ghia Type1, Trimph TR4A, VW Beetle, VW Ghia Type3, VW Westfalia, MB 240D, Mazda323, MB 190E, Chevy Cavalier, '03 Mustang conv.

Last edited by guenter; 09-29-2011 at 10:48 AM.
guenter is offline  
post #4 of 8 (permalink) Old 09-29-2011, 11:59 AM
BenzWorld Elite
DEVOURS's Avatar
Date registered: Dec 2006
Vehicle: 2006 B 200 .....& Audi A6..
Location: Lake in the woods... Canada
Posts: 5,901
Mentioned: 8 Post(s)
Quoted: 102 Post(s)
I use the Motive Pressure Bleeder and it works well.

If its 'a manual then bleeding the clutch slave is also a great idea.

Pressing the brake or clutch peddle to the floor in never recommended as it might damage the internal seals when they travel past the normal stopping point. Placing a piece of wood behind the peddle will stop the excessive travel during the bleed process.

Happy bleeding............
DEVOURS is offline  
post #5 of 8 (permalink) Old 09-29-2011, 04:53 PM
BenzWorld Elite
Mike Tee's Avatar
Date registered: Aug 2007
Vehicle: see signature
Location: Vancouver Island, Canada
Posts: 4,017
Mentioned: 2 Post(s)
Quoted: 65 Post(s)
Send a message via Yahoo to Mike Tee
Sucking the fluid out is always better than pumping it out, unless the master cylinder is new....for the reason Derek points out.

2008 Mercedes-Benz B 200 5 speed
2006 smart BRABUS Tailor Made Canada 1 cdi cabriolet
2013 Ford Fiesta SE 5 speed, for the kids
1966 Peugeot 404 Coupé Injection, restoration underway
Mike Tee is offline  
post #6 of 8 (permalink) Old 09-29-2011, 08:04 PM
BenzWorld Elite
pfsantos's Avatar
Date registered: Nov 2005
Vehicle: '83 W123 200 '98 E200 Kompressor (both Euro-spec., 200 in Portugal, E200 Now in Canada!), '08 B200
Location: Toronto, Canada
Posts: 1,254
Mentioned: 2 Post(s)
Quoted: 33 Post(s)
Also, the sequence is based on bleeding farthest corner from the master cylinder to closest. This is important if you have air in the system, to make sure the bubbles don't go from one line to the other.

Related - when changing brake pads, when you push in the pistons into the caliper, make sure you block off the brake hose on that corner (there's a tool), and loosen the bleeder. This is crucial so the dirty brake fluid doesn't go to your ABS pump when you push the pistons back.

Paul (Paulo Santos)
'83 W123 200, '98 W210 E200K, '08 W245 B200
* Feel free to PM me if needed *
pfsantos is offline  
post #7 of 8 (permalink) Old 09-30-2011, 01:01 AM Thread Starter
BenzWorld Junior Member
Date registered: Jul 2011
Vehicle: W245 B180 CDi 2008
Location: Suffolk, UK
Posts: 10
Mentioned: 0 Post(s)
Quoted: 0 Post(s)
(Thread Starter)
Great, thanks all.
keithscarfe is offline  
post #8 of 8 (permalink) Old 10-02-2011, 11:45 PM
BenzWorld Junior Member
Date registered: Mar 2009
Vehicle: A160 CDI
Location: Norway
Posts: 44
Mentioned: 0 Post(s)
Quoted: 0 Post(s)
I can warmly recommend the Gunson Eezibleed kit. It makes this a one-man operation, and you get all the bubbles out. Much better than "suction" type systems which could draw small bubbles past the bleeding nipple threads. The adapter that comes with the kit fits the Merc's master cylinder.
Mgr1 is offline  
Sponsored Links

  Mercedes-Benz Forum > Mercedes-Benz Sedan Forums > W245 B-Class

Quick Reply

Register Now

In order to be able to post messages on the Mercedes-Benz Forum forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Please enter a password for your user account. Note that passwords are case-sensitive.


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:


Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode

Similar Threads
Topic Author Forum Replies Last Post
Bleeding brakes with ABS froglips W124 E,CE,D,TD Class 30 05-23-2017 08:17 PM
Bleeding Brakes miike G-Class 3 05-01-2011 10:11 AM
Bleeding the Brakes..... Eyesofdark80 W124 E,CE,D,TD Class 5 07-16-2010 11:44 AM
Help with bleeding brakes please! brent1988 W210 E-Class 11 08-24-2009 12:03 AM
Bleeding the brakes (?) jka W210 E-Class 20 10-16-2006 10:44 PM

Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Title goes here

video goes here
description goes here. Read Full Story
For the best viewing experience please update your browser to Google Chrome