|04-26-2009, 04:56 PM||#1 (permalink)|
BenzWorld Senior Member
Radio won't play....only says "PHONE".
So today my S320 started a new....hobby. It won't play the radio or a cassette, instead when you turn the radio on, it shows the station for just a second, then switches over to "PHONE" mode, and I can't get it out of that mode. Now here's the funny thing though, my car was not built with the option for an integrated portable cell phone. It's never said "PHONE" before...hell I didn't even know it COULD do that. There's no phone buttons on my radio headunit, so I have no idea as to why it's doing this or how I can get it out of it.
I'm very frustrated with this car at the moment. It's just one expensive thing after another.
|04-26-2009, 05:14 PM||#2 (permalink)|
Date registered: Dec 2005
Vehicle: 1993 300SEL (Sold) 2001 530i
Location: Auckland, New Zealand
I guess first port of call would be to disconnect the battery see if it resets itself somehow then enter the radio code.
|04-26-2009, 11:20 PM||#3 (permalink)|
Lifetime Premium Member
Sound's Familiar to me , well it couldent be " ET Phone Home " now would it , as Nz Benz says , make sure you have the Radio Code 1st then Disconnect the Batterie & wait for a while ,2/3 minutes, then Reconect it , enter the Radio code & try again , also recode your Windows while you are at it, keep Window button press't more than 1 sec up/down , done .
Hope it works for you ,if not sounds like ( hopefully not ) a new Radio, Hurray .
Et Phone Home / S320 Phone Home / Et Phone Home / S320 Phone Home /
Driving a W140 & everything else feels like is standing still . - Merc S-600
Last edited by Merc-S600; 04-26-2009 at 11:27 PM.
|05-21-2009, 04:49 PM||#4 (permalink)|
Date registered: Feb 2009
Vehicle: 1993 400E
Location: Ft Lauderdale, Florida
Mercedes Benz Technician since 1982
ASE Master Technician (Current to 12/2015)
No ÜRO Parts on my 400E
|06-22-2010, 03:49 AM||#5 (permalink)|
Date registered: May 2010
We just had a terrible thunderstorm last night ... real bad. Jumped into the S500 this morning and "PHONE" is all i could get my radio to say... that is AFTER it went to the radio channel briefly. Sound fimiliar???? Yeah... im seeing a pattern!
SO.... now where do we go from here?????
|06-22-2010, 01:11 PM||#7 (permalink)|
Date registered: Feb 2010
Vehicle: 1992 500SEL
Are you saying you don't have a phone equipped? You should, and make sure the switch is in the off position on the handset. Otherwise, your HU is going south, or somehow the phone signal is being enabled on your wiring harness.
If you have the Bose Beta system, with the older Becker, you could try to pull that connector (the one with the two wires) and see if it goes away. If its the Bose system after that, that test wont work.
|07-13-2010, 07:48 PM||#8 (permalink)|
Date registered: Jul 2010
I am having the same problem. I opened the place below the phone and there is a 4 prong connector with three wires it in connected to nothing. I tried the battery thing and it worked until I shut off the car and tried to restart it and phone came back
|07-14-2010, 01:43 AM||#9 (permalink)|
sounds like your mute line is shorted to either ground or 12V (I think it is ground)
pull out the headunit, and remove the mute line from the harness, if that doesnt fix it, get a new headunit.
If you post to ask "is the car worth the repair?", get rid of your 129/140 and go buy a 2013 Corolla... Classic Benz is not an investment for you...
Mercedes-Benz, W140 S Class S320 (AKA 300SE)
Mercedes-Benz, R129 SL Class SL500 (AKA 500SL)
Mercedes-Benz, W163 ML Class ML430 (Designo Edition)
Triumph Daytona 955i - SSSA
W140 S Class 500SEL (sold) - W140 S Class S500 (sold) - W140 S Class 500SEL (sold) - W201 190E 2.3 (sold)
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