I think that I can see where it’s leaking. The car is a 16 yo Mercedes 300E (1991), Is there any kind of caulking or sealing material I can buy from an auto parts store? Can you recommend a specific item/brand name?
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Accessories February 6th 2011

February 6th, 2011 at 8:20 am
Really the best thing to do is to replace the unit. Check with the salvage yards for another.
February 6th, 2011 at 8:43 am
Make sure it is clean and dry the use plain old silicone and forget it the hole/crack will be completly sealed and repaired as soon as the silicone drys. Just make sure you have it squeezed / pressed into the opening.
February 6th, 2011 at 9:24 am
Find a used one if you can, gluing plastic usually doesn’t work well. But, if you are going to glue it anyway (like I always do) get a two part epoxy that can be used on plastics.
February 6th, 2011 at 9:59 am
it’s called seal all you may have to put a few coats on it comes in a yellow tube. if you cant find this then use silicone.good luck