Boot lid catch does not release or you are unable to access boot area.
Mercedes clk convertible leaking roof.
Common mercedes clk soft top roof problems.
Cabriolet not operating fully through cycle or stops halfway.
Convertible roof is stuck open shut.
My 2006 clk 500 roof leaks when it rains.
Roof requires recalibration or roof reset.
The most common source of leaks is in the rubber seals but it is also possible that you have a torn roof canvas.
If you find out that the convertible top reservoir is low in fluid that means that you have a leak most likely at one of the convertible lift cylinders.
If waterproofing the fabric part of the roof solves it temporarily then it seems like you probably have tear in the canvas.
My 2006 clk 500 roof leaks when it rains.
Hydraulic leaks or hydraulic pump failure.