In what order do you arrange the plug wires on the distributor cap for a 1986 Mercedes 190E?

For a 1986 Mercedes 190E, the plug wires on the distributor cap should be arranged in the firing order of 1-3-4-2. The distributor cap connections start from the terminal for cylinder 1, which is typically located at the front of the engine, and follow the firing order clockwise. Ensure to connect each wire to the correct cylinder to maintain proper engine performance. Always double-check the firing order and wire placements before starting the engine.