Mysterious boxes?

PurelyHybrid · 04-13-2012, 06:59 PM

Hey guys, I picked up a '86 300SDL last friday and i was lookin around in it today, and i found a couple mysterious boxes. One is on the back of the back seats, mounted in the trunk. The other, smaller one, is clipped into the headliner right above the drivers seat.

I dont have any extra antennas on the outside of the car, nor evidence of them being there previously. I also see no signs of there being a car phone on the inside of the vehicle either. There also arent any markings relating to the manufacturer of either of these things.

What are these boxes for?

Thanks,
Jake

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BENZITCH · 04-14-2012, 10:14 AM

They look to be a phone system, that I had in my 84 SEC.

schurmann · 04-14-2012, 12:18 PM

They might very likely be a phone system as benzitch says, they may also be a GPS antenna and booster system, or my last guess (and what would be really cool) a LoJack antenna and transmitter.

Incidently. it is NOT recommended to screw anything into the back panel behind the rear seat like that on your car, because you run the risk of breaching the gas tank which is very close behind there.

BENZITCH · 04-16-2012, 08:53 PM

In the early 90's I have seen the system where part of the antenna mask is for the phone and part for radio. The unit you are showing on the interior is a speaker receiver, the radio was used to make and receive calls. I didn't think there would be this system in an 86 though. My friends 91 300d w124 had one.
The one in my 84 had an actual phone, with the same looking trunk mounted unit.

04-16-2012, 08:53 PM	#4
BENZITCH Super Member Garage is empty, add now Join Date: Aug 2005 Location: Mercerville New Jersey Posts: 778 Drives: 1991 560SEC Teal 1989 420SEL Ice Blue 1984 500SEC White	In the early 90's I have seen the system where part of the antenna mask is for the phone and part for radio. The unit you are showing on the interior is a speaker receiver, the radio was used to make and receive calls. I didn't think there would be this system in an 86 though. My friends 91 300d w124 had one. The one in my 84 had an actual phone, with the same looking trunk mounted unit. Last edited by BENZITCH; 04-16-2012 at 08:55 PM. Reason: addition

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04-14-2012, 10:14 AM	#2
BENZITCH Super Member Garage is empty, add now Join Date: Aug 2005 Location: Mercerville New Jersey Posts: 778 Drives: 1991 560SEC Teal 1989 420SEL Ice Blue 1984 500SEC White	They look to be a phone system, that I had in my 84 SEC.

04-14-2012, 12:18 PM	#3
schurmann Junior Member Garage is empty, add now Join Date: Oct 2009 Posts: 61 Drives: 1989 300 SE	They might very likely be a phone system as benzitch says, they may also be a GPS antenna and booster system, or my last guess (and what would be really cool) a LoJack antenna and transmitter. Incidently. it is NOT recommended to screw anything into the back panel behind the rear seat like that on your car, because you run the risk of breaching the gas tank which is very close behind there.

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