Why car using 20 litres per 100km? on 1997 Mercedes-Benz C280

60litres covers only 300km.

by in Garnet Valley, PA on March 11, 2013
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2 answers
ANSWER by , March 11, 2013
have diag done to detemine what is causing the excessive oil usage
ANSWER by , March 11, 2013
fuel leak maybe. is it mis-firing at all? could be ignition prob. especially with a big engine like that.