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Parking brake release

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E-Class (W212) 2010 - 2016: E 350, E 550

Parking brake release

 
Old 01-07-2019, 11:59 PM
  #26  
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Originally Posted by Stuttgarten View Post
I'm raising an old thread here, but I now have the same problem on my 2013. Did dealer replace parking mechanism with part #: 204-420-15-84?
Bump....same issue and question for my 2013 E350.
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Old 01-09-2019, 04:57 PM
  #27  
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Sorry. I don't recall the part. They said they tightened the cable. The problem never appeared again.
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Old 01-09-2019, 06:32 PM
  #28  
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Originally Posted by mellonc View Post
Sorry. I don't recall the part. They said they tightened the cable. The problem never appeared again.
So, did they tighten the cable or replace the mechanism? I know it's been nearly 2 years!
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Old 01-14-2019, 05:19 PM
  #29  
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they replaced the linkage which was making my cable loose.
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Old 01-15-2019, 11:29 AM
  #30  
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I had this same issue with my 2014 GLK350. The dealer mentioned the spring was weak and needed to replace the Foot Brake assembly. P/N 204-420-15-84
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Old 01-16-2019, 06:47 PM
  #31  
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Originally Posted by mellonc View Post
just picked up a CPO last week. on cold starts, my brake release lever does not release my parking brake. it takes about 3 to 4 tries to get it to release. is there some special way I'm supposed to pull the release?
I have that problem too on my 2012 E300. Tomorrow morning is going to be extremely cold (-24ºC) so I did not engage the foot brake because of that.
However, I found a way to release it quickly. I call it the "hand-foot brake" method. So instead of only pulling the release handle and waiting for the pedal to come back, I use my other hand to accelerate the process... So I basically pull the parking brake pedal with my arm. And it takes 1 second.

EDIT
Pulling the pedal by myself is however very hard when it's very cold so I contacted my dealer about the issue. The mechanic looked at it and checked if the brake mechanism was at least functional (it was). Then he asked me what I wanted him to do: either unmount the parking brake system and try to solve the issue or order a new brake mechanism and install it another day. Fortunately, I chose the first option: it took him about half an hour to fix it by simply adding some lubrification to the system. Now the pedal comes back as normal and it cost me Can$120 for 0.7 hour of work.

Last edited by Mathieu Dostie; 02-03-2019 at 02:00 PM. Reason: Added fix solution by the dealer
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Old 02-15-2019, 05:23 AM
  #32  
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same issue- lubrication was the answer for my E350
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Old 02-15-2019, 11:23 AM
  #33  
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I had the same issue on my 14, when cold (35 or below) it didn't come all the way back, needed 3 or 4 tugs on the release to make the "BRAKE" light turn off. Took it in and they replaced the pedal assembly, CPO paid for the repair.
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Old 03-17-2019, 04:00 AM
  #34  
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My parking brake release lever was messed up. I had to pull the lever with major force. Even then, the parking brake still wouldn’t release sometimes.

While in for regular service, I got it fixed under warranty. Same solution that maxshop previously reported.

Attached is a screenshot of the repair service.


Originally Posted by maxshop View Post
I had the same issue on my 2014 E350 and I got it fixed from the dealer under manufacturer's warranty. Here is the work they performed as listed on the invoice:

B CLIENT STATES PARKING BREAK RELEASE IS DIFFICULT TO RELEASE WHEN COLD
425857 PARKING BRAKE PEDAL WITH MOUNT REMOVE/INSTALL, REPLACE PART(S) IF NECESSARY

28060

PARKING PEDAL IS VERY STICKY AND NOT RELEASING FAR ENOUGH TO HIT PARKING BRAKE SWITCH//

REMOVE PARKING BRAKE ASSY..

D&A ASSY AND CLEAN ALL ANTI CORROSION COATING FROM LOCK DRUM COIL SPRING.. PEDAL ASSY NOW MOVES FREELY//

RE-INSTALL PEDAL ASSY AS NEEDED


Hope this heps
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Old 03-18-2019, 09:09 PM
  #35  
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Same issue with my 2016 Wagon. If parked outside in cold weather, the parking brake will refuse to disengage. It was mentioned at last service and apparently they cleaned and lubed the cables but it happened again last month while on a ski holiday. I was able to pull up on the pedal itself until it released, but it was verrrrry stiff. I hope this isn't one of those issues they keep chasing it around until the warranty expires :-(
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Old Yesterday, 02:01 AM
  #36  
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See if you can get dealer to replace pedal assembly.

My brake release actually works now. I simply pull, brake easily disengages and I drive off.

In hindsight, my brake release was seriously out of order. I was almost going to break the brake release lever because I was pulling so hard prior to getting it fixed.

Originally Posted by need2speed View Post
Same issue with my 2016 Wagon. If parked outside in cold weather, the parking brake will refuse to disengage. It was mentioned at last service and apparently they cleaned and lubed the cables but it happened again last month while on a ski holiday. I was able to pull up on the pedal itself until it released, but it was verrrrry stiff. I hope this isn't one of those issues they keep chasing it around until the warranty expires :-(
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