W211 Water in drivers footwell
W211 Water in drivers footwell
Hello again!
Tried to find a old post here, but didnt succeed. I know Konstiger posted a drawing of the draining system from the watercollector under the windshield. I know the water is leed out in a hose under the air-filter, and comes out in the right wheelbase. My question is if there is a simelar system the other way, with draining out in the lett wheelbase. Filled the collector with water, water came out under the right wheelbase, but under the lett it was completly dry. So, should there also be water from the left wheelbase??
If there is no draining-system to the left wheelbase, what else could cause the leak in the drivers footwell? I have cheched the draining from the sunroof, thats ok. Its wet behind the pedals, but not in the roof, around the door or in the back row.
Tried to find a old post here, but didnt succeed. I know Konstiger posted a drawing of the draining system from the watercollector under the windshield. I know the water is leed out in a hose under the air-filter, and comes out in the right wheelbase. My question is if there is a simelar system the other way, with draining out in the lett wheelbase. Filled the collector with water, water came out under the right wheelbase, but under the lett it was completly dry. So, should there also be water from the left wheelbase??
If there is no draining-system to the left wheelbase, what else could cause the leak in the drivers footwell? I have cheched the draining from the sunroof, thats ok. Its wet behind the pedals, but not in the roof, around the door or in the back row.
New update, still unsolved
As far as I've found out, the water comes in from the A-pillar. Have blocked the drain from the synroof (at the bottom), filled it with water, and there is no leaking as far as I can see. Its also 5 drainholes under the windshield, every one drain well. So still need help with this mistery. Please anyone!
MBWorld Fanatic!




Joined: Sep 2013
Posts: 2,317
Likes: 685
2021 GLB250 FWD, 2023 GLA250 FWD, 2013 C250, 2015 GLK350, 2005 ML350SE, 2003 E320
Just a guess because investigating the usual causes hasn’t solved the problem. Check the AC drain. That usually results in water going into the passenger footwell, but maybe it could also get to the driver side also.



