a/c

[kemp2368]

hi all,can anyone tell me if there are any well known trouble spots for the w202 c-280 air con
as when i want really cold air it only is very slightly cold
but hot and the middle settings and demist settings are fine
ive had a look in the sight glass and no bubbles at all
also there is no increase with the revs(dont no if the Mercedes-Benz do increase when a/c turned on)
attached are the controls i have http://www.peachparts.com/shopforum/attachment.php?attachmentid=53826&d=1207078931 any well known spots for leaks etc would be welcomed
having it regassed on monday with dye put in,but looking at the service book this was done last year as well,but ive only had her 3 weeks so dont no the outcome of it