SLK-Class (R170) 1998-2003: SLK 200, SLK 230K, SLK 320

SLK/R170: SLK320 Radio has no power

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Old Apr 3, 2009 | 11:19 PM
  #1  
navreet's Avatar
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2001 SLK320
Lightbulb SLK320 Radio has no power

After the battery died, when jump-started, the car started but there is no power to the radio. It happened once before, but subsequently, the battery died again (due to forgetting to turn the headlights out overnight), and when jump-started, the power to the radio was restored. Any one? Any Ideas?
goodneighbor5264@yahoo.com
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Old Apr 4, 2009 | 02:44 PM
  #2  
320 dreamer's Avatar
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2003 porsche 996 turbo
try reinstalling the radio code
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Old Apr 6, 2009 | 08:12 PM
  #3  
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2001 SLK320
SLK320 Radio with NO POWER

As I have mentioned in my post, the radio does not have any power. How can one install or enter a code when there is no power. My friend, if you know something I don't know, I am all ears.
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Old Apr 6, 2009 | 08:28 PM
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Buellwinkle's Avatar
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Probably just blew a fuse. There's a lot of damage one could cause jump starting an MB, they have very delicate electronics. Also, you can see if it's radio or harness by back probing the connector with a meter. Not sure of the connectors on the SLK as played with that radio, but if they are standard ISO connectos, then the A connector has pin 4 as the battery +12 and ground is pin 8.
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Old Apr 7, 2009 | 08:46 PM
  #5  
320 dreamer's Avatar
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From: murfreesboro,tn
2003 porsche 996 turbo
theres a fuse in the back of the radio also
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Old Apr 22, 2009 | 12:57 AM
  #6  
BJ's SLK320's Avatar
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From: Fort Worth, TX
2001 SLK320
Originally Posted by navreet
After the battery died, when jump-started, the car started but there is no power to the radio. It happened once before, but subsequently, the battery died again (due to forgetting to turn the headlights out overnight), and when jump-started, the power to the radio was restored. Any one? Any Ideas?
goodneighbor5264@yahoo.com
I think it might just be the delicate nature of the radio. I had an issue with mine where it would lose power without warning. I ended up replacing the unit, as it was cheaper then trying to fix/rewire. Those radios use a standard DIN size, so there are a lot of options for replacements. Stop by your local Best Buy and they can help you out. For a few hundred dollars you can replace it with an in-dash CD player that plays MP3 cds and will bump the subs behind the seats even harder.
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Old May 13, 2009 | 10:36 PM
  #7  
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From: California
2000 SLK230 PSP
Dead radio and MF 3910 CD-R

I have just replaced my radio with a CD10 MF-2910 CD-R so my original radio is up for grabs, perfect working condition and very clean. If you are interested please let me know.
On the subject of the new radio, I didn't feel like paying an extra $10 for the manual + the shipment cost from Germany so if anyone knows where I could get a scanned copy please let me know.
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Old Jul 9, 2009 | 07:28 PM
  #8  
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2001 SLK320
I pulled the radio out, disconnected power supply to the radio, pulled out all connections in the rear of the radio, plugged all back in, turned the radio on, and Viola! It is working, again. Thank you all for your help.
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Old Jun 9, 2017 | 07:23 PM
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Mercedes SLK 230
I have a 98 Mercedes SLK 230 I have put two aftermarket radios in the first one stopped working it would periodically come back on by itself I replaced it this afternoon with a new radio and there's no power to it help
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