Why won't my 2003 Mercedes-Benz slk320 start?

There could be several reasons your 2003 Mercedes-Benz SLK320 won't start. Common issues include a dead battery, faulty starter or alternator, or problems with the ignition system. Additionally, it may be related to fuel delivery issues or a malfunctioning sensor. It's best to have a professional diagnose the issue to ensure accurate repairs.