Need Help! Coolant leaking from two metal pipes under the windshield on driver side (1993 500 SEL)

[Rad_Haus_500SEL]

So yesterday I had the windshield of my 1993 500 SEL replaced.

Afterwards I noticed there was a stream of fluid leaking from two metal pipes on the driver side near the windshield that goes straight up under it. Does anyone know what that is? I’ve researched for hours trying to find any related info and the closest I could find was a part call the “windshield Heater assembly”. Can anyone verify this?

I disassembled as much of what I could including the cowel covers and the wiper assembly but these pipes looks like they are not accessible unless you remove the windshield. There are no write ups on this anywhere…

See below for reference. Feel free to txt me at 5102662559 for video reference and for suggestions, Need to figure this out and have been running up on dead ends.

 

[emerydc8]

I don’t know if the 500 SEL is the same as the W124 but this might help.

Thread 'Coolant leak found! But what is it?!'
500E - Coolant leak found! But what is it?! | Heating and Cooling

 

[gsxr]

The 140 chassis (500SEL) is totally different compared to the 124 (500E). Need someone with a 140 to chime in here.

Those do look like coolant hoses for the washer reservoir heating circuit, but on the 124, those hoses don't route under the windshield.

If the leak is from the rubber hose (and, the clamps are tight)... you should NOT need to remove the glass to repair this. Access may be difficult though.

 

[Rad_Haus_500SEL]

The 140 chassis (500SEL) is totally different compared to the 124 (500E). Need someone with a 140 to chime in here.

Those do look like coolant hoses for the washer reservoir heating circuit, but on the 124, those hoses don't route under the windshield.

If the leak is from the rubber hose (and, the clamps are tight)... you should NOT need to remove the glass to repair this. Access may be difficult though.

Thanks for the feedback @gsxr Ill try to back out the clamp see if it helps.

 

[Rad_Haus_500SEL]

I don’t know if the 500 SEL is the same as the W124 but this might help.

Thread 'Coolant leak found! But what is it?!'
500E - Coolant leak found! But what is it?! | Heating and Cooling

Sorry for my ignorance I am 3 days into the car and it was running great and quickly fell in love with the drive and build of it. This weinshield company just ruined it during install. Didn't realize this forum was strictly 500e models only

 

[nocfn]

There are many MB 500 vehicles, and they are all different but similar. Yours is quite a bit different than the main thrust here which is the 1992-1994 E500E/E420/400E.

There are many who own the W140 chassis but having them seek your post for them may be few and far between

 

[Rad_Haus_500SEL]

There are many MB 500 vehicles, and they are all different but similar. Yours is quite a bit different than the main thrust here which is the 1992-1994 E500E/E420/400E.

There are many who own the W140 chassis but having them seek your post for them may be few and far between

Still spending hours on research and joined other forums. Hope the people come to our aid!

 

[Kridre]

If MB did the same thing as with W126 this might be windshield heater to help defrost the wipers in the winter. So even when they are frozen and stuck to the windshield this helps them melt and operate as they should.

Probably when the windshield was replaced they might have damage the heating element. If you don't plan to use this car in the winter I would simply bypass it. If what I'm writing is true, I'm not familiar with W140.


Edit: Yuuuup this is it, judging by the pictures from eBay. I think that you need to remove the windshield to replace it. So I'm 99% sure it was damaged when they were cutting out the old glass.

 

[Rad_Haus_500SEL]

If MB did the same thing as with W126 this might be windshield heater to help defrost the wipers in the winter. So even when they are frozen and stuck to the windshield this helps them melt and operate as they should.

Probably when the windshield was replaced they might have damage the heating element. If you don't plan to use this car in the winter I would simply bypass it. If what I'm writing is true, I'm not familiar with W140.


Edit: Yuuuup this is it, judging by the pictures from eBay. I think that you need to remove the windshield to replace it. So I'm 99% sure it was damaged when they were cutting out the old glass.

This is actually makes the most sense. Can you please share any information you’ve found on this. I can find no evidence on this any where online. I need to know the part to replace and the location ok how to access it. Thank you!

 

[Kridre]

This is actually makes the most sense. Can you please share any information you’ve found on this. I can find no evidence on this any where online. I need to know the part to replace and the location ok how to access it. Thank you!

This is P/N that I found A1408300061 and here is how it looks like:



I didn't find anything else, as I said I'm not familiar with W140 so I really don't know the details and I can't find correct diagram in the EPC for this part.

 

[gsxr]

Thanks for the part number, @Kridre! I was able to use the EPC reverse lookup to find it. EPC diagram is below.

Use Search - Part (or, press F11) to search by part number, without vehicle data.

 

[LameyerBobonov]

The pipes may not have been reconnected properly during the windshield replacement. This is something to check first.