The bottle is for the self level suspension. It should be fill to about the upper rib of the bottle. The center of the resevoir cap has a plastic dipstick for checking the level. Be sure to use only the Mercedes hydraulic fluid to keep topped off, or for flushing the system.

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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.