hallöchen, my slk was now unfortunately a week in the sun around. today was time again. start attempt worked only after the 4th time. wanted to fill up the climate. after a certain time in the workshop the air conditioner was free. unfortunately then I could not start. the error reading resulted in mass errors. moreover after a few minutes ‘ignition’ of the cooler or climate fan. the ki worked completely. nevertheless with a certain hope the k40 was expanded and tested. “unfortunately” totally in order. now I am with my ideas at the end. has someone still nen tip? gruss paul