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Issue with windows

Old 12-19-2014, 06:36 PM
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Issue with windows

Just go the car washed the other day and noticed a continuing problem. It occurs whenever the car is washed or has been out in the rain. After the car has completely dried, when I roll down the windows and roll them back up again, the windows are streaked with water and its an extremely noticeable amount. It seems as though the door frame is somehow retaining water.

Never had this issue before with my previous cars. I emailed the dealer about it so we will see what they say. Has anyone else noticed this?
Old 12-19-2014, 07:30 PM
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Originally Posted by DoubleBull
Just go the car washed the other day and noticed a continuing problem. It occurs whenever the car is washed or has been out in the rain. After the car has completely dried, when I roll down the windows and roll them back up again, the windows are streaked with water and its an extremely noticeable amount. It seems as though the door frame is somehow retaining water.

Never had this issue before with my previous cars. I emailed the dealer about it so we will see what they say. Has anyone else noticed this?
Use rain-x or aquapel. Preferably the latter which lasts a lot longer but is a little more difficult to apply.
Old 12-19-2014, 07:31 PM
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When I bought my car they washed it off before I drove it away. I rolled down the window and rolled it up - same thing. The salesman was like 'Oh, well you just streaked your window'.
Old 12-19-2014, 07:35 PM
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Yup, that's the exact problem. Did they do anything to fix it or is it still ongoing? It's really annoying after washing the car to have the window get messed up like that hours after the car wash.

I'm even more concerned with having the water inside the window sill.
Old 12-19-2014, 07:35 PM
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Originally Posted by DoubleBull
Just go the car washed the other day and noticed a continuing problem. It occurs whenever the car is washed or has been out in the rain. After the car has completely dried, when I roll down the windows and roll them back up again, the windows are streaked with water and its an extremely noticeable amount. It seems as though the door frame is somehow retaining water.

Never had this issue before with my previous cars. I emailed the dealer about it so we will see what they say. Has anyone else noticed this?
Every car I have ever owned has wet the exterior window if I lowered it after a car wash. Now, I always remember not to do that until I've driven a awhile or left the car parked for awhile.
Old 12-19-2014, 07:40 PM
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I agree, if I had just washed it. This is occurring hours after washing or being in the rain. One of the times it happened was the next morning. I never had that before, but maybe this is "normal" with the benz.
Old 12-19-2014, 07:49 PM
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Originally Posted by PeteInGilroy
Every car I have ever owned has wet the exterior window if I lowered it after a car wash. Now, I always remember not to do that until I've driven a awhile or left the car parked for awhile.
Same here. I always keep a microfiber towel in the car for the same reason.
Old 12-19-2014, 08:23 PM
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On the weird side, I had my car detailed for the first time Wednesday and this issue didn't occur.
Old 12-20-2014, 12:10 AM
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I experienced the same problem, when it rained overnight and the next morning the windows seem to streak when rolled down and up again. I had to wipe the window and repeat the procedure to be sure.

I think some water was caught in between the window sill. I was bothered by it initially then somehow i started not to care.

Now i just wipe it every time it happens, which is weird.
Old 12-20-2014, 01:56 AM
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Originally Posted by DoubleBull
Just go the car washed the other day and noticed a continuing problem. It occurs whenever the car is washed or has been out in the rain. After the car has completely dried, when I roll down the windows and roll them back up again, the windows are streaked with water and its an extremely noticeable amount. It seems as though the door frame is somehow retaining water.

Never had this issue before with my previous cars. I emailed the dealer about it so we will see what they say. Has anyone else noticed this?
Imo, nothing to worry about. I have the same on my w204 and all the cars I have previously owned. Avoid using the window for a while after you wash your car

Regards
Amo
Old 12-20-2014, 01:19 PM
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The dealer called back today on the issue. They say it is a common occurrence for there to be a small amount of water, but it if seems excessive, they will take a look to make sure nothing is getting into the door frame.


I'll just keep an eye on it for now.

Last edited by DoubleBull; 01-08-2015 at 12:35 PM.
Old 12-20-2014, 01:24 PM
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Every car I've ever owned does this including my five benz's ....

It's one of those things tucked away in memory... Don't lower yur windows after the car has been washed and dried for at least a couple hours
Old 12-20-2014, 02:01 PM
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It's really strange. I washed my car thursday afternoon. Just rolled down the window while getting gas and its streaked. Granted much less water than day one, but this is two days later.
Old 12-20-2014, 10:03 PM
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Originally Posted by DoubleBull
It's really strange. I washed my car thursday afternoon. Just rolled down the window while getting gas and its streaked. Granted much less water than day one, but this is two days later.

I experienced the same however with cooler temperatures I would say it's normal.
Old 12-22-2014, 08:44 AM
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I've noticed the same thing in my new C. My GL didn't streak after just a few hours.

I washed my car one evening around 6:30 and put it in the garage overnight. The next day at lunch I rolled my window down to get my delicious Burrito Supreme from the Taco Bell drive-thru window and when I rolled my window up it had water streaks on it. It wasn't humid outside at all - which is why it surprised me so much.

So....I decided to do a test. I washed my car then washed my wife's MDX one evening. The next day around noon I tested both cars by rolling down the dirver's windows. The MDX was perfect and my C still had water streaks.

Not a huge issue - just weird that it would hold moisture that long.
Old 12-22-2014, 10:53 AM
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My previous two cars were the same (E250 and VW Tiguan) so for me it's no problem and normal.
Old 12-22-2014, 07:30 PM
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The door will be designed to accomodate some leakage seeping through from the window seals. Sensitive electrics should be protected behind plastic shield, and the lowest points in the door frame will have drain holes.

The water you are seeing is probably the water that didnt have enough time to seep through the seal.
Old 12-22-2014, 08:15 PM
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Originally Posted by goherdibg
I've noticed the same thing in my new C. My GL didn't streak after just a few hours.

I washed my car one evening around 6:30 and put it in the garage overnight. The next day at lunch I rolled my window down to get my delicious Burrito Supreme from the Taco Bell drive-thru window and when I rolled my window up it had water streaks on it. It wasn't humid outside at all - which is why it surprised me so much.

So....I decided to do a test. I washed my car then washed my wife's MDX one evening. The next day around noon I tested both cars by rolling down the dirver's windows. The MDX was perfect and my C still had water streaks.

Not a huge issue - just weird that it would hold moisture that long.


Nice comparison, thanks... glad I'm not the only one who thought this was odd.
Old 01-07-2015, 01:50 PM
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Has anyone had a dealer diagnose / fix a real problem related to this? I've had my windows streak badly two days after getting a car wash. Not only is it annoying, but also potentially concerning that water is sitting inside the door frame for long periods of time.
Old 01-07-2015, 04:19 PM
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Should there not be a drain hole at the bottom of the doors? Maybe it's blocked or even has a plug that wasn't removed at pre delivery?

Sounds absurd to have moisture inside a door for that long. Long term prognosis will
Be corroded door and lock parts for sure.
Old 01-07-2015, 04:46 PM
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My car does the same thing. It's really annoying to have the windows streak two or three days after it was last washed. My BMW doesn't do this after just a few hours.
Old 01-07-2015, 04:54 PM
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Completely normal. Had it on a Toyota '92, Mercedes E class '99, '07, '12 and now on the C class.
Old 01-07-2015, 04:57 PM
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Originally Posted by megaoctane
Completely normal. Had it on a Toyota '92, Mercedes E class '99, '07, '12 and now on the C class.
I don't agree that it's normal for the windows to streak several days after it's been washed. Am I going to raise a stink at my dealer? No...but it's not normal, IMO.
Old 01-07-2015, 05:00 PM
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My BMW needs at least 24 hours post wash before it will no longer streak the windows... I wouldn't worry about it.
Old 01-07-2015, 05:28 PM
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Not sure this is a non-issue for colder climates.. So far so good in my case (i do have the issue as well) but I can see things being deformed if water keeps getting in and freezing in there. Over time, whatever is keeping it there, WILL break.

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