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"Hood Open" Malfunction 2004 CLK500

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Old 12-14-2018, 03:53 PM
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2004 CLK500
"Hood Open" Malfunction 2004 CLK500

Has anyone experienced any issues with their hood latch sensors? My car is giving me a malfunction message saying "Hood Open" when it's most definitely secured. One of the loops that the latching mechanism attaches to has MAYBE 1mm of play, but I can't see how it would trigger any kind of sensor. The loop I'm referring to is the one on the actual hood on the driver's side. Any ideas?
Old 12-14-2018, 11:06 PM
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You may need to adjust it if it has play like that. Or, it might be that the switch inside the latch is not working properly.
Old 12-17-2018, 04:03 PM
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I had the same issue . Turned out to be a bad switch . I just disconnected it . There are 2 bolts on the receiver . Just unbolt it and unplug the wire and the message will go away .
Old 01-13-2019, 12:20 AM
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Was able to figure out the problem. The small arm wasn't depressing the switch when the hood closed, so I bent that arm in such a way that it would put more pressure on the switch when i closed the hood. Haven't seen the malfunction come up since.
Old 01-15-2019, 07:34 AM
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Had this on my 2004 CLK. It was the hood latch that was no good. Cheap part to buy at a junk yard.

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