Has it been properly lubed with the MB sunroof lube, known as Gleitpaste. Cost in the States is $55-$60 for a 1kg can (or is it 1 lb???), expensive but the can lasts forever.

__________________
Mike Tangas
'73 280SEL 4.5 (9/72)- RIP
Only 8,173 units built from 5/71 thru 11/72

'02 CLK320 Cabriolet - wifey's mid-life crisis

2012 VW Jetta Sportwagon TDI...at least its a diesel

Non illegitemae carborundum.