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1992 Mercedes 300E, 1990 BMW 325I, 2003 VW GTI 20th Anniversary
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Discussion Starter · #1 ·
Hello all. First off...great site!

I purchased a 1992 300E about two months ago and I have just recently had the time to mess around with it. It has been sitting in the garage. When I first got the car I noticed the carpet was wet on the drivers side, front. My first thought was coolant but, it was water. So I pulled the carpet/padding out, dried the area, and did not put it back in because I wanted to find out the source of the water. That was two months ago. I pulled the car out of the garage a couple of days ago and had it sitting on the driveway. It has rained very hard in Columbus for the past couple of days and when I opened the car today to install a new battery I was greeted by a floor board full of water! I did not drive the car at all....I have only driven it once and that was when i brought it home so, it didn't come in under the car. I was determined to find out the source of the leak so, I started pouring water down drains and they all worked fine no additional water in the car. So I poured water on the windshield, namely, the drivers side and I could see water entering on the left side of the floor board near the emergency brake area. I removed all the padding and what I found was shocking. There is a hole, a tad bit smaller than a pencil's eraser and that is where the water is coming in!!! It's a perfect hole, like it has been drilled.....not a rust made hole. Around the hole there is surface rust. Why would there be a hole there and why would water come out of it...anyone know? I am thinking that maybe the car was in an accident at one time and they did something wrong when fixing it???? I will post pictures tomorrow. Do you all think I can use a water proof silicone for the time being for a quick fix? I will have the car looked at by a body shop because I am going to want that rusty area fixed. I am thinking this has been going on for a few years because the floor board on the drivers side looks a little rusty in some areas and fine in others. It's all surface rust but, I will have it fixed also.
 

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in the uk, almost every 124 i have seen, including my own, has rusting in the area you describe, i recon its a fault with the body construction. i welded/plated both sides of mine, then drilled a small hole in the box section and pored oil in there to stop any more rust!

it seems that the left hand side as you sit in the car is worse(your drivers side, our passenger side). i originally thought this was due to that side being curb side in uk, and more slush/ salt ect getting thrown up there.

The hole you've found sounds to me like a grommet hole with no grommet in it? i'm gona check mine this weekend to see if thats the problem, because when i'd finnished fixing my car , i lifted the carpet a couple of days later, and there was a small ammount of clean water that could only have been rainwater, as the car had not been started, or driven antwhere!
 

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1992 Mercedes 300E, 1990 BMW 325I, 2003 VW GTI 20th Anniversary
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Discussion Starter · #3 ·
Thank you for your response. I am going to do a quick fix and then take it to a body shop when I get a chance to get a professional help. Maybe it was a grommet hole because the hole is too perfect to be made by rust. Thanks again for your response.
 

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1992 Mercedes 300E, 1990 BMW 325I, 2003 VW GTI 20th Anniversary
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Discussion Starter · #5 ·
One other case of water in foot-well can be caused by broken A/C drain pipe. Which runs parallel on both side of center console and exits near transmission. Most 124's have rust in this area of exit.
Thank you for your response. I will check out that area too. I am on my way outside to see if my quick-fix works.
 

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Discussion Starter · #6 ·
Ok....I checked on my quick fix and it worked great but, water was still getting into the car so I cut more sound-proofing away and found more rust spots and holes. They appear to be spot wheels that have gone bad. I don't know if this is a factory job or not. I will post pictures later. The car MUST go to a body shop...it seems to be ugly.
 

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Discussion Starter · #7 · (Edited)
Well, I just came from working on the car and this is what I found. The rest of the problem to the wet floor. Water is coming from these rusted areas. I want to know....does this appear to be a factory spot weld job? It looks too sloppy to be factory. A couple of the pictures a blurred but, it's a tight squeeze in there and my camera's battery was on it's way out. I tried to post pictures directly to the page but, it didn't work. Please let me know what you think...thanks!

http://www.facebook.com/photo.php?pid=30308720&l=41c1bc6297&id=1442201135
 

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Discussion Starter · #8 ·
Hello again. I hate to be a pest but, can someone with more experience with the W124, look at the link I provided ^ and tell me if that looks like a factory weld job. If it is not, I will have to contact the previous owner to find out what happened to the car while she had it. Thanks!
 

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Mercedes w124 coupe Italien, 2.0 M102 engine,
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Its very clear , its not factory weld job at all ; recently i changed the whole rusty panel in my ce200 , for both driver and passenger side ; you will find a very big surprise in almost all w124s ( without major body work ) if you will disassemble the front fender , especialy if you have bad shock-absorbs , a complete vertical factory weld-line is broken and needs to be re-welded.
I am w124 driver since 1994 , i changed about 7 w124s and its common body-weakness point and i advice to check it in pro- workshop
 

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Discussion Starter · #10 ·
Its very clear , its not factory weld job at all ; recently i changed the whole rusty panel in my ce200 , for both driver and passenger side ; you will find a very big surprise in almost all w124s ( without major body work ) if you will disassemble the front fender , especialy if you have bad shock-absorbs , a complete vertical factory weld-line is broken and needs to be re-welded.
I am w124 driver since 1994 , i changed about 7 w124s and its common body-weakness point and i advice to check it in pro- workshop
Thanks for the reply. I kinda knew it wasn't but, just wanted to make sure. The car must have been in a wreck before....I will have to have it check out now for sure.
 

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01 G500, 82 300TD, etc
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Can you see the other side of the weld from the inside of the engine bay or from underneath the car?
If the car was in a bad enough wreck, look for missing VIN stickers on the fenders. If it was hit on the side near the front I'm sure the fender wouldn't have been salvageable and would have been replaced by either A) Mercedes or B) Cheap copies. Usually it's the latter and VIN Stickers are forgotten or destroyed in an accident.

Just as a precaution, check out the passenger side as well for any leakage.
 

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Useful thread.
My 230TE also has some water (thankfully not much) getting into the right side footwell (UK Drivers side).

Still trying to find out where from, I can't make it out at all - every sidewall to the footwell appears to be dry.
 

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Discussion Starter · #14 ·
Can you see the other side of the weld from the inside of the engine bay or from underneath the car?
If the car was in a bad enough wreck, look for missing VIN stickers on the fenders. If it was hit on the side near the front I'm sure the fender wouldn't have been salvageable and would have been replaced by either A) Mercedes or B) Cheap copies. Usually it's the latter and VIN Stickers are forgotten or destroyed in an accident.

Just as a precaution, check out the passenger side as well for any leakage.
Ok...this is the weird part...I cannot see any indication, of what I found, in the engine bay area. It appears that the "holes" were burned from inside the car. They start from around the brake pedal area and end near the parking brake area. It looks like someone took a torch and burned small holes in to the metal and it was allowing water to enter in and flood the floor. I removed the fender well lining, looked, and still didn't see anything. It's a very weird. The car belonged to my brother's mother-in-law and I was told it was involved in a very minor accident and the driver's fender had to be replaced. I will have to ask her more about it.
 
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