be super delicate with the wiring harness!!! they are made with a "bio-degradable" wire coating that just cracks and falls off the wires. its a total nightmare I had a 95 C220 and had to give up on it because the wiring harness was so damaged

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1969 230 inline 6 dual carb 60,000 Miles 2nd Owner doesn't run right
1982 300 SD 455K - my reliable commuter car
1990 190E needs new crank shaft ran it out of oil
1996 C220 bad wiring harness