Water leaking in footwell, W208 Convertible
Thread Starter
Junior Member
Joined: Jun 2011
Posts: 28
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ML 2.7 2004
Water leaking in footwell, W208 Convertible
Hi I have a convertible CLK, the problem I have is that after it has been raining (and its been raining alot in UK) and I drive away, a small amount of water leaks into the nearside footwell, I think its a blocked drain pipe, has anyone had a problem like this ? or know how to solve it ? or gain access to the drain pipe ?
Thanks for your help
Jim
Thanks for your help
Jim
Junior Member
Joined: Sep 2010
Posts: 17
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From: Essex UK
CLK 430 Convertible
Hi Jim, I had the same problem - there are some links on here as to how to fix it if you search but a short answer is:
Open the bonnet - on the passenger side at the back of the engine bay there is a plastic box which the windscreen etc all drains into. If you squeeze your hand between the wing and this plastic box you will find a very short rubber hose on the bottom of the box. Pull this off and try to clear out the rubbish that's clogging up the pipe. If this doesn't work remove the top cover (I didn't need to do this). This is a common problem and if I were you I'd not bother putting the rubber part back on. You might want to check the aircon motor, cabin filter etc as this is a major design flaw meaning that when this box is blocked up, water poors straight through the cabin filter into the car!
Hope this helps.
Simon
Open the bonnet - on the passenger side at the back of the engine bay there is a plastic box which the windscreen etc all drains into. If you squeeze your hand between the wing and this plastic box you will find a very short rubber hose on the bottom of the box. Pull this off and try to clear out the rubbish that's clogging up the pipe. If this doesn't work remove the top cover (I didn't need to do this). This is a common problem and if I were you I'd not bother putting the rubber part back on. You might want to check the aircon motor, cabin filter etc as this is a major design flaw meaning that when this box is blocked up, water poors straight through the cabin filter into the car!
Hope this helps.
Simon
Senior Member
Joined: Jan 2009
Posts: 350
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From: Brooklyn
///M5 Beast
Had this same god damn problem!! There is also another water passenger for the driver side, it is located in the middle of the car... open the hood and look above the transmission, under the firewall you will see a rectangle rubber piece, reach inside this rubber and clean the debris.
Not only did water leak into my footwell because of this, it fried my ac/heat relay and my ac/heat control headunit!!!
Not only did water leak into my footwell because of this, it fried my ac/heat relay and my ac/heat control headunit!!!
Thread Starter
Junior Member
Joined: Jun 2011
Posts: 28
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ML 2.7 2004
Thanks to Brisk and Simon, spent a few hours losing the skin off my fingers getting the black plastic clips off that drain box, im glad I done it before it fried the electrics, rinsed the pipes with industrial detergent a stick and elbow grease, now dumping water on the road instead of passenger footwell
Junior Member
Joined: Apr 2011
Posts: 64
Likes: 1
From: Blackburn, UK
clk 230k 6-speed cabriolet
Hi,
I had the same problem last year with mine. Be careful because I did both of the above and it didn't cure the problem. I've written a previous about how I solved the problem and what damage was caused, but the main problem on mine was the drain plugs at the back of either sill. It's a square black plastic plug that is about 2 inch up from the back of the sill. Remove it on either side and wash all the silt out. The sill fills with water then leaks into the footwells if you don't.
Regards, Alex.
I had the same problem last year with mine. Be careful because I did both of the above and it didn't cure the problem. I've written a previous about how I solved the problem and what damage was caused, but the main problem on mine was the drain plugs at the back of either sill. It's a square black plastic plug that is about 2 inch up from the back of the sill. Remove it on either side and wash all the silt out. The sill fills with water then leaks into the footwells if you don't.
Regards, Alex.
Junior Member
Joined: Apr 2011
Posts: 64
Likes: 1
From: Blackburn, UK
clk 230k 6-speed cabriolet
