E-Class (W210) 1995-2002: E 200, E 220D, E 240, E 290TD, E 300TD, E 200, E 240, E 280, E 320, E 420, E 430 (Wagon, Touring, 4Matic)

my cd player does nothing ...

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Old Apr 15, 2007 | 06:03 PM
  #1  
hollywierd's Avatar
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From: Big MO
1998 E 320
my cd player does nothing ...

when i push the cd button on my control unit. it doesn't give me any error messages or anything. the changer unit in the trunk will eject the catridge and appear to load it correctly, but will not show up on the control panel.

i have a 98 E320 with the factory installed CHM-S630 Alpine changer in the trunk. All other functions such as Radio/Cassette/WB are functioning correctly.


any ideas or assistance would be greatly appreciated!!
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Old Apr 17, 2007 | 04:50 PM
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From: West Virginia
2001 E320 RWD - Brilliant Silver/Ash: 100,000+
There is obviously power going to the changer, so I would first check the connections (wires/plugs) between the changer and the head unit. It sounds like the head unit is no longer "seeing" the changer as part of the loop.
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Old Apr 17, 2007 | 08:18 PM
  #3  
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From: Big MO
1998 E 320
Thanks! I need to figure out how to pop out the head unit and track the wiring from there.

Off to do more searching!!
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Old Apr 18, 2007 | 07:07 PM
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From: Folsom CA
1998 E320
Originally Posted by hollywierd
Thanks! I need to figure out how to pop out the head unit and track the wiring from there.

Off to do more searching!!
The head unit pops out with a set of Euro radio keys (i think you can get them at autozone, Mine were supplied to me from my work) Very easy and simple once you have the keys.

Another thing, you said you had a stock alpine cd changer? MB never had anyone do their stock radios except Bose (on the W210). I'm guessing if you have the Alpine, you have a MB adapter so you can use the after market CD changer with your stock radio.

Let me know if you have any questions about it, i have a lot of tips.
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Old Apr 18, 2007 | 07:26 PM
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From: West Virginia
2001 E320 RWD - Brilliant Silver/Ash: 100,000+
I don't know when they started using them, but some of the OEM Mercedes trunk-mounted CD changers were definitely made by Alpine but modified by M-B due to the fiberoptics in the cars.

Just guessing, but I think I would start tracing the wiring from the trunk forward. It stands to reason that there is a greater chance of vibrational or shock damage in the trunk than in the passenger compartment.

Also, if you see an orange wire, be very careful. That is your fiberoptic cable and they break pretty easily.
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Old Apr 18, 2007 | 08:46 PM
  #6  
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From: Big MO
1998 E 320
Thanks guys. Just ordered the radio removal tools. We'll start to trace this thing down over the weekend.
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Old Apr 18, 2007 | 08:56 PM
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From: West Virginia
2001 E320 RWD - Brilliant Silver/Ash: 100,000+
Originally Posted by hollywierd
Thanks guys. Just ordered the radio removal tools. We'll start to trace this thing down over the weekend.
You're very welcome and good luck!
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Old Apr 19, 2007 | 10:03 AM
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'98 E320 4Matic, '85 380SL
I suspect the adapter has come disconnected in the trunk. It's happened to me a couple times. Sometimes you have to jiggle the cable.
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Old Apr 19, 2007 | 10:42 AM
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illest's Avatar
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From: MD
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my 98 does not have the fiber optic connector
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Old Apr 22, 2007 | 09:45 AM
  #10  
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I guess I forgot when they converted to the fiberoptic connections. Thanks for the info illest.
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Old Apr 22, 2007 | 01:53 PM
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From: Big MO
1998 E 320
went to mess with it some today; and now it isn't getting power to the cd player and won't eject the cartridge or anything. wtf!?!?

looks like all the wiring in the trunk is still connected.
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