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I’ve got a 2012 C250. Whenever it rains hard, I usually get water that leaks in through the top center light control, in front of the rear view mirror. It also gets wet all along the inside in front of the windshield and down to the A pillars. I did some tests and it seems the water comes in from this gap in between the windshield and roof. I poured water into that gap, which then showed signs of water in the inside. Is there some way I can remedy this? I was thinking of filling this gap with black silicon, but any advice would help.
I’ve got a 2012 C250. Whenever it rains hard, I usually get water that leaks in through the top center light control, in front of the rear view mirror. It also gets wet all along the inside in front of the windshield and down to the A pillars. I did some tests and it seems the water comes in from this gap in between the windshield and roof. I poured water into that gap, which then showed signs of water in the inside. Is there some way I can remedy this? I was thinking of filling this gap with black silicon, but any advice would help.
I have the same exact issue with my 2013 MB c250 Coupe, it is leaking water onto the passenger seat, localized it to the passenger area. I think this is a known issue but sadly we’re all out of warranty at this point. Have you remedied the problem?
PS. Do not fill that line with silicone, it can expand and contract with the weather and could create a larger problem.
The Mercedes C250 Coupe and weather issues.............
The CPO C250 coupe is now driven by my new wife. She never has mentioned any leaks. We are getting close to the end of the extended warranty. I sure hope that no leaks occur prior parting with this beautiful little coupe. Actually - now that I think about it, we really have not received very much rain in the last few years.......................
When water hits the top of My C250 coup waters drips down right in front of the rear view mirror. After reading this thread this is a flaw in the design, I've had cars much older than this one and I've NEVER experienced a leak. The dealer tried to tell me I needed a new windshield and I'm like but it's leaking from the rear view mirror. This should be a recall fix
I saw a few windshields leak on them, it will need to be removed and re-sealed, they often break on removal so the normal process is to sell a new windshield.
When water hits the top of My C250 coup waters drips down right in front of the rear view mirror. After reading this thread this is a flaw in the design, I've had cars much older than this one and I've NEVER experienced a leak. The dealer tried to tell me I needed a new windshield and I'm like but it's leaking from the rear view mirror. This should be a recall fix
I completely agree as I also am having the same issue a second time. An experienced auto body shop in my area resealed the windshield and that fixed it for 3 months, but now it is leaking again.
No way the shop screwed up because the owner drives a tricked out German car he custom wrapped himself. This can't be anything other than a design flaw is all I can say.
C250 2013 WINDSHIELD LEAK!!!! No bond on top of the windshield .
Originally Posted by Vinay Kumar
So,
I’ve got a 2012 C250. Whenever it rains hard, I usually get water that leaks in through the top center light control, in front of the rear view mirror. It also gets wet all along the inside in front of the windshield and down to the A pillars. I did some tests and it seems the water comes in from this gap in between the windshield and roof. I poured water into that gap, which then showed signs of water in the inside. Is there some way I can remedy this? I was thinking of filling this gap with black silicon, but any advice would help.
TOP WINDSHIELD No windshield silicone on the windshield. Has no bond.. Left side of the windshield has silicone still sticking on… they had to cut on that side TOP WINDSHIELD No windshield silicone. Has no bond
ON THE RIGHT SIDD OF THE WINDSHIELD HAD SILICONE ON BECAUSE IT WAS STILL BINDED TO THE FRAME!!!!
we had to cut to remove windshield
LEAK WAS CAUSED BECAUSE NO BOND.
reseal to fix problem
Last edited by labaredora; Apr 8, 2023 at 06:51 PM.
I am having the same issue with my 2013 C250 Coupe. Did you just go to a Windshield repair shop and fixed it? Also, has it had any other leaks since you replaced the windshield?
I am having the same issue with my 2013 C250 Coupe. Did you just go to a Windshield repair shop and fixed it? Also, has it had any other leaks since you replaced the windshield?
NO I DONT HAVE THE ISSUE ANYMORE ..
TRY TO PUSH THE WINDSHILED FROM INSIDE OUT FROM THE EADGES WITH YOUR 2 THUMBS ..
IF ITS FLIMSY ON FHE EDGES ITS BECAUSE THE WINDSHIELD LOST BOND TO THE FRAME
Can you believe it, I had mine fixed last week. Pool of water on the floor. Took it to my indi to check out. From what I’ve read, it’s either the outside drain holes near the wipers, the sunroof drain holes, or the windshield. My issue was the windshield. Was removed completely and reset. Indi tells me it’s a common issue with the coupe. Not enough bond applied at the factory. All fixed now.
I started having the same problem last year; thought it was the sunroof, but when I took it in I was advised that it was the windshield seal.
Not sure if I want to put the money into windshield replacement (estimates have ranged from $850 to $1,200 based on recalibration of the lane departure and a couple other things that would be needed following the replacement) given that the car is 13 years old and will be at 100K miles before too much longer, so I'm debating just using a silicone bead across the top of the window before the rainy season starts.
I started having the same problem last year; thought it was the sunroof, but when I took it in I was advised that it was the windshield seal.
Not sure if I want to put the money into windshield replacement (estimates have ranged from $850 to $1,200 based on recalibration of the lane departure and a couple other things that would be needed following the replacement) given that the car is 13 years old and will be at 100K miles before too much longer, so I'm debating just using a silicone bead across the top of the window before the rainy season starts.
I didn’t get a replacement windshield. The windshield was lifted, bodywork and windshield cleaned, then re-bonded. That cost $350 in total. Maybe that could be an option for you too.
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