gas gage on 1990 Mercedes-Benz 300E

gas gage,water ,rpm no working

3 answers
This is a known problem, this company even rebuilds the Instrument Cluster to solve this: http://www.bba-reman.com/content.aspx?content=Mercedes_300E
For other common problems, look here: http://repairpal.com/mercedes-benz-300e-1990/common_problems
my gas guage registers 1/2 full all the time when I know its not
Mine was a fuse which is in the fuse box under the hood