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

SLK/R170: BOSE amp

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Old Nov 30, 2003 | 08:09 AM
  #1  
NOGO4U's Avatar
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From: Sydney
'98 SLK 230
BOSE amp

Are the factory fitted BOSE amps located under the passengers side footwell?

Does anyone have any instructions how I could get access to the amp?

The reason I ask this is because I want to check whether the amp has RCA inputs, as I would prefer to wire up my new head unit to the amp that way.

cheers

Andrew
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Old Dec 1, 2003 | 11:09 AM
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From: Chandler, Arizona - USA
'02 SLK32 AMG
I assume the Bose amp is under the passenger footwell on the '98 models.

If I recall correctly, you can access the amp by pulling back the carpet starting from as far up under the dash as possible. The carpet is just tucked under the edge of the kick panels and the trim on the transmission tunnel. When you pull the carpet back, you'll see a big piece of styrofoam and the amp is underneath it. That's all I remember.
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Old Dec 1, 2003 | 10:00 PM
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'99 SLK 230
It does not have RCA inputs.
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Old Dec 4, 2003 | 11:51 AM
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ummmmm...slr?
No RCA inputs? I was planning on putting in new head unit also.
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Old Dec 4, 2003 | 08:00 PM
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'99 SLK 230
You can certainly put in a new head unit, you just can't plug into RCA jacks because there are none. You'll need a VW connector or you'll need to tap into the wiring harness.
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Old Dec 5, 2003 | 06:41 AM
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'98 SLK 230
Brian,
Is the amp directly underneath the styrofoam sheet?
I had a look under that but didn't notice an amp there. I didn't really look too hard bcoz I was in a bit of a rush.
I'll have a closer look with a torch next time.
andrew
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Old Dec 5, 2003 | 07:06 AM
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From: Minnesota
'99 SLK 230
It's attached to the metal sheet under the styrofoam. You remove some screws and tilt the metal out to gain access.

The question is why do you want to? Inputs to the amp are on the conenctor at the head unit. There's no need to run another set of wires from the amp to the new head unit - tap in at the head unit end.
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Old Dec 5, 2003 | 09:05 AM
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'98 SLK 230
After lifting up my passenger side carpet and removing the styrofoam, this is all I can see? Does that mean I have no amp? or is it underneath the metal that we can see here?



The car does have Bose speakers, so I assumed that it has the Bose amp in the package aswell. Actually I do remember it to have had the Bose upgrade factory fitted. Could the amp be elsewhere?

Cheers
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Old Dec 5, 2003 | 09:58 AM
  #9  
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'99 SLK 230
It's underneath that metal panel. As stated in my last post, you have to remove the screws and tilt the panel out to get access.
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Old Dec 5, 2003 | 01:01 PM
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ummmmm...slr?
BTW, why are you guys trying to get to the amp? Nothin you can do with it......he's right, just run in from the head unit wires.....
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Old Dec 5, 2003 | 07:38 PM
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From: Sydney
'98 SLK 230
yeah I get a little nosy when it comes to cars...

I love pulling things apart and trying to put them back together again

though I tend not to venture too far nowadays, My previous car was pretty much torn down completely and put back together again. Some parts never made it back on, which is why I didn't bother looking underneath that panel.

So, the current head unit connects to the Bose amp via high level inputs (speaker wires).
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Old Dec 5, 2003 | 10:25 PM
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ummmmm...slr?
NOGO4U, I am the same way. everything wuz ripped out in my previous toyota camry, i redid the whole wiring to amps/subs/speakers/head unit. It wuz nice, then I get da benz and not even a cd player!!! I wuz shocked! I even had to replace the door handles in the camry. Can't mess around w/ da benz too much, I am basically just going to switch out the head unit and thats about it.
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Old Dec 7, 2003 | 07:18 AM
  #13  
NOGO4U's Avatar
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From: Sydney
'98 SLK 230
anyone got speaker wire configuration for the SLK?
I know the colour of the front speakers, but how about the rear speakers?
cheers
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Old Dec 7, 2003 | 08:41 AM
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From: Sydney
'98 SLK 230
disregard my last post.

I just pulled out the head unit and found that there is no need to wire up rear speaker wires. Only the front speaker wires need to be wired.

But I still need to know where you run a wire from the battery terminal to the head unit as my head unit needs a power source straight from the battery's positive terminal.

Cheers
Andrew
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Old Dec 7, 2003 | 12:52 PM
  #15  
black98slk230's Avatar
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ummmmm...slr?
NOGO, see this link, it may help:
link
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Old Dec 7, 2003 | 12:53 PM
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From: Tampa, FL
ummmmm...slr?
if it doesn't include instruction on wiring power to your head unit, can you please let me know how you did it because I will be replacing the head unit in a week or two. Thanks.
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Old Dec 7, 2003 | 06:06 PM
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NOGO4U's Avatar
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'98 SLK 230
well, it depends on what kind of head unit u are planning to install.

I have an Alpine amp which has a 4 x 60W internal V-drive amp. This amp needs a fused power source straight from the battery terminal.

I think most internal amps can run from the standard radio power source as described on the link on the slk32.com site.

thanks anyway

cheers

Andrew
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