I believe that 1.4 bar is the current MB OEM cap rating, PartsShop/FastLane may still have some 1.2 bar in stock if you want a little lower pressure.
'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.