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Q: Rear a/c blower on 2002 Mercedes-Benz ML500

the rear blower on my ml will run sometimes when the ignition switch is off, also it will run for very short periods an cycle on and off??
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sounds like a sticking relay, find the relay/fuse center & tap the blower motor relay when it is running with the key off. if it turns off replace your relay. there could be many other problems but this is simple & easy to test.
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