CL55 AMG, CL65 AMG, CL63 AMG (C215, C216) 2000 - 2014 (Two Generations)

Comand, no tuner, cd or radio or tv - short to ground on wake up line

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Old 07-08-2018 | 04:44 PM
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Icedillon's Avatar
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Ml420
Comand, no tuner, cd or radio or tv - short to ground on wake up line



Can’t communicate with tuner
Everything just stopped working I can navigate through the screen but nothing is available. In quick test it comes up with fault on command and it can’t talk to tuner (I’m guessing that’s the fault?) but how do I test the wake up line? Is it the fibre optic one? And is the radio tuner and tv tuner all in one?
Old 07-08-2018 | 06:22 PM
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Jaap's Avatar
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2006 W221 S500L
Yeah it's the Harman Kardon amplifier/tuner.
It's called the Audio Gateway (AGW) and it fails often.
Search google or ebay for places that can repair it.
Old 07-09-2018 | 02:31 AM
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Ml420
But the agw came up ok on the test. Just the tuner was not communicating. I’m confused now

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