My trunk doesn't open as well as my hard top roof. on 1999 Mercedes-Benz SLK230

My trunk opened before and my hard top hood worked as well with no flashing when i clicked on the button, then it got really cold one night and the following day my trunk would not open and so does my hard top hood. The button flashes when i tried to open the top. Please help!!!

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2 answers
Do you have any signs of hydraulic fluid leaks? you would see them towards the back of your trunk. You can even put your hand back there and touch the hydraulic cylinder, does it feel oily?
Probably too cold dude.