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Marty
Marty, Mercedes Technician
Category: Mercedes
Satisfied Customers: 53168
Experience:  Bosch Certified Master Tech. Over 35 years experience.
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SL 500: My 91 Mercedes SL 500 wont start. the lights

Customer Question

My 91 Mercedes SL 500 wont start. the idiot lights on the dash don't light up, if they did the car would start. The battery is new and the engine turns over but it doesn't fire. Could it be a fuel pump or just a fuse?
Submitted: 1 year ago.
Category: Mercedes
Expert:  Marty replied 1 year ago.
Hi, if your warning lights are not turning on you should first replace fuse #5 in the main fuse box under the hood. If that doesn't fix the problem you will need to replace the ignition switch. The warning lights get power directly from the ignition switch through fuse #5. If you get no power to fuse #5 the car will not start.
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Marty