190E (W201) 1982-1993: 190E 2.3, 190E 2.6, 190E 2.3-16, 190E 2.5-16, 190 D 2.2, 190 D 2.5, 190 D 2.5 TURBO, 190E 2.5-16 Evolution I, 190E 2.5-16 Evolution II

help with the coolant overflow

Old Sep 2, 2005 | 08:58 PM
  #1  
azmoto's Avatar
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From: Arizona, USA
'91 190E 2.6L
help with the coolant overflow

Hi I am glad I found this site and this is my first post.
I Just purchased a 1991 190e w/ 2.6 130k miles. The guy I bought it from had some work done on the radiator and a new water pump put on. What I thought was the overflow tank is really the "expansion tank" There is a nipple and a disconnected hose that runs into the side of the firewall. I know from pics that this hose connects to the expansion tank, but what does the other end go to? Is there a recovery bottle hidden down there? The car was getting hot and was blowing coolant out of that nipple, but before I hooked the hose up I wanted to know what it was. I live in Arizona so its hot, I might pick up a generic coolant recovery bottle and stick it in the little area behind the right headlight. Any ideas?
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Old Sep 2, 2005 | 09:18 PM
  #2  
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MTI
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From: Scottsdale, Arizonai
'85 190E 2.3-16 '99 C280 '11 GLK350
Yes, the 2.6L has an overflow tank in the right fender. All the other engines just have a drain tube that empties to the ground.
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Old Sep 2, 2005 | 10:11 PM
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'91 190E 2.6L
Thanks for the reply! So should I just plug the hose back in without verifying the integrity of the overflow tank, is there any way to see/inspect it?
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Old Sep 3, 2005 | 01:53 AM
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MTI
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'85 190E 2.3-16 '99 C280 '11 GLK350
I believe you have to access it through the wheel well by removing the plastic fender liner.
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