Just got a 1994 S350. I printed out the options from the Russian Benz web site and supposedly the car has an installation kit for Becker AT400 car phone with 2 sets. The car does not have a phone, but is there a way to see if the wiring is there to be able to install it? Where whould this be? I can't see it in the armrest compartment or the top storage compartment on the dash, but I have not taken anything apart.