To troubleshoot a 1983 Mercedes-Benz 380SL that cranks but has no spark, first check the ignition components, including the ignition coil, distributor cap, rotor, and spark plugs for wear or damage. Ensure the ignition system is receiving power by testing the battery voltage and fuses. Next, inspect the crankshaft position sensor and ignition control module, as failures in these parts can disrupt spark generation. Finally, verify connections and grounds to eliminate any wiring issues that could prevent the ignition system from functioning properly.
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