Having problems with your 1984 Mercedes-Benz 190 ?
Bad starting and missfiring - 1984 Mercedes-Benz 190
Adjust ignition timing. Standard should be 5 degrees BTDC. You could do this by slightly moving distributor cap clockwise or counter clockwise, depending on current state of timing. Do this with engine turned off to ensure no electrical charge skips towards you. There's an allen screw that you'll need to loosen. This tightens the position of the distributor to the base. Tighten after each slight movement of the distributor. Run the car and spot performance improvements or otherwise after each adjustment. A bosch tune up equipment could be used for this , but without that, you could do via manual method shared above. Otherwise, also check ignition wires for any frayed parts of if electrical charge given out by each is of same level.
Repair Help & Product Troubleshooting for 1984 Mercedes-Benz 190
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