E-Class Coupe (C207) & Cabrio (A207) 2010-: E250CDI Coupe, E350 Coupe, E350CDI Coupe, E500 Coupe, E550 Coupe [Coupes & Cabriolets]

One rear window up switch only will not fully seal.

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Old 10-26-2019, 10:09 PM
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2010 e550 coupe
One rear window up switch only will not fully seal.

Just as the title says I can fully close and fully open every window but the rear driver side. I have tried every reprogramming steps known to man to no avail. I am not sure if these are controlled by independent fuses because all of them make a clicking noise on fully down and fully up but the rear window will not make that final click noise when raising it. It's also visible from outside that the window doesn't do the full seal when you open or close the front driverside window or open and close the door. I was told by a dealer who claims that it is an adjustment issue but wouldn't I still hear the click noise when I fully raise the window if that was the case. Any help would be appreciated as this is really annoying also this issue happened right when my battery was changed. I've tried disconnecting and resetting and still the same issue on that particular window.
Old 10-27-2019, 01:58 PM
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Over time & usage window may have excessive resistance: align window, and/or replace sealing frame (note, includes triangular glass pane). However, before part replacement perform SDS quick test for control unit may simply need normalization/reset, and/or to adapt power window parameters.



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Old 10-31-2019, 03:46 PM
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Originally Posted by konigstiger
Over time & usage window may have excessive resistance: align window, and/or replace sealing frame (note, includes triangular glass pane). However, before part replacement perform SDS quick test for control unit may simply need normalization/reset, and/or to adapt power window parameters.


Thanks for the detailed response as usual konig. Would I be able to find an error code with an icarsoft or do I need the star to test this. Didn't see any sort of window regulators in the checks.
Old 10-31-2019, 04:57 PM
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I would suggest MB Diagnostics - Xentry, DAS
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Old 11-22-2019, 01:56 PM
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Originally Posted by konigstiger
I would suggest MB Diagnostics - Xentry, DAS
I was able to pull the code which i'm guessing is causing my sport mode to keep turning on automatically and staying on. I received code C151E1C - The left front level sensor has a malfunction. The voltage value is outside the permissible range. Any idea what would fix this? I searched and found replacing the front level sensor may fix it but can't find the part though. The only level sensors I see are for airmatic suspension and this car has struts that dampen. Maybe the same sensor is used?

Last edited by Dnasty; 11-22-2019 at 02:18 PM.
Old 11-22-2019, 02:29 PM
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2010 e550 coupe w/483 vehicle dynamics









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Old 11-22-2019, 02:48 PM
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Last edited by Dnasty; 11-28-2019 at 09:47 AM.
Old 11-28-2019, 09:50 AM
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2010 e550 coupe
Originally Posted by konigstiger
2010 e550 coupe w/483 vehicle dynamics



So the culprit is that little sensor right behind the front wheels. I have tried to find this b22/8 piece but they only show for airmatic. Is this part universal for cars with airmatic and the sport damping suspension? Also is there any replacement instructions? I haven't had a chance to have a look at it on my car yet but doesn't look too involved.

Last edited by Dnasty; 11-28-2019 at 10:43 AM.
Old 11-30-2019, 11:44 AM
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I think I found the part b22/8 but it has a part number of A 004 542 99 18? Is this the same part?
Old 06-04-2021, 03:59 AM
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Originally Posted by Dnasty
Thanks for the detailed response as usual konig. Would I be able to find an error code with an icarsoft or do I need the star to test this. Didn't see any sort of window regulators in the checks.
Did you manage to get this sorted as I'm having the exact same issue
Old 12-30-2021, 09:30 AM
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FYI it seems to have resolved now after having the battery disconnected for a day and the reconnected.

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