I'd also like to add that one quart in 1K miles is still within the acceptable specs per MB. I think the low end is 1 qt in 700 miles. I also believe that spending a few dollars on valve stem seals is a wise choice for your car.
'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.