CLK-Class (W209) 2003 on: CLK 270 CDI, CLK 200K, CLK 200 CGI, CLK 240, CLK 320, CLK 350, CLK 500, CLK 550 [Coupes & Cabriolets]

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Old Mar 11, 2020 | 03:59 PM
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zagrod's Avatar
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From: carmel-by-the-sea, ca
2005 CLK500
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I have a 2005 Mercedes-Benz CLK500 that was salvaged. It was hit in the back and needed a new bumper. I installed it, and then put in an aftermarket radio from Kenwood. I've had it since March and it was fine up until October. It's been acting weird for the past couple months since then. If you shut the car off sometimes, it loses all electronic power and it doesn't come back until after a few days with the battery disconnected. The lights blink, but there's no turn signals, radio, the gauges don't light up, and the windows don't go up or down. The battery was just replaced too, so I'm not sure what it is. I was told that it could be a short, but I have no idea how to diagnose it. A whole bunch of error codes come up too. Any idea on how to help?
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Old Mar 12, 2020 | 10:00 AM
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From: Austin, TX
2006 E55, 2012 GLK350 & 1992 190e sportline
Originally Posted by zagrod
I have a 2005 Mercedes-Benz CLK500 that was salvaged. It was hit in the back and needed a new bumper. I installed it, and then put in an aftermarket radio from Kenwood. I've had it since March and it was fine up until October. It's been acting weird for the past couple months since then. If you shut the car off sometimes, it loses all electronic power and it doesn't come back until after a few days with the battery disconnected. The lights blink, but there's no turn signals, radio, the gauges don't light up, and the windows don't go up or down. The battery was just replaced too, so I'm not sure what it is. I was told that it could be a short, but I have no idea how to diagnose it. A whole bunch of error codes come up too. Any idea on how to help?
1. new battery (though unlikely) could be bad or undersized.
2. post the codes
3. check the front and rear sam for water.
4. check all the grounds you can find.
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Old Mar 13, 2020 | 04:08 PM
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From: NYC
2004 CLK 500
Post the codes .
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