W126 Becker Radio install – part 4

Previously, I had installed a Becker Mexico 1402 Cassette in my 1987 560SEC. This is a very similar model to what it left the factory with. My setup looked factory, but was running a hidden Bluetooth FM injector, amplifier and USB charging ports.

After driving around for a few weeks, I realised I needed to make a few changes. Overall, I was really happy with the system, except for the following:

USB charging ports were no longer working Distortion in music with strong midrange at medium to high volume The radio worked at position 1 of the ignition switch, but […]

W126 Becker Radio install – part 3

I am currently in the process of installing a period correct Becker Radio in my 560SEC. In part 2, I had the system up and running. The final task was to tidy up the installation and re-install all the trim.

The first step was to properly organize and tidy up the wiring. I wanted a neat install, and to hide all the wires out of the way. The Alpine amplifier I am using is small enough I could tuck it in with some other control modules in the passengers foot well.

I mounted the amp with the back face up […]

W126 Becker Radio install – part 2

In part 1 of this series, I had begun installing a Becker Mexico 1402 in my 560SEC. I had planned out my install and done the core wiring for the Becker itself. Today, my goal was to complete the wiring of the ancillary components and test the system.

I decided to use two X30 harneses for the install. I had four available plugs on the X30 power block, so it kept it neater if I used two. The main purpose of the first one was to connect my USB ports. I also used one of the ground wires for the […]