Well theres good news and bad news........
Bad news..... i shelled out £17.50 odd at merc dealer for a piece of plastic that looks like the top off a bic pen....and if it didnt have two tiny electrical contacts would have been convinced the parts blokey just sold me a bit of his pen!
Good news....ive remembered summat......i know where it goes... When i bought the merc 5 years ago.....there was a piece of plastic trim missing from the front of the car......after buying a replacement bit of trim, when i went to fit it.....i discovered the trim wasnt actually missing it was hanging down loose behind the front valance part...hanging by the temp sensor wires.....so i just need to change it now
More good news.......ive changed it....5 min job and display inside the car says +8C which is easier to believe than -38C
Bad news.....couldnt test to see if the if blower blows warm air when climate set on say 20C and not just HI......as it wouldnt start
Flattery battery
Its on charge so tomorrow will be test day