Recently I had noticed the 560SEC running hotter than usual in traffic. This was during winter when it was quite cold outside. I suspected that the original viscous fan coupling was starting to fail. I was able to spin the fan quite easily just after I turned off the engine while it was hot. Back in 2020, I had a similar issue on...
On my trip to Victoria last last year, the alternator on my 560SEC packed in. I was able to limp the car home by swapping batteries with a friend in another W126. I also purchased another battery on the road. When I arrived back in Sydney, it was this new battery that was still in the car. I was just going to leave that...
I had previously replaced the front speakers in my 1987 560SEC. Now it was time to look at the rears. As I outlined in the article about the front speakers, I am replacing the W126 rear speakers with Crunch 16.5cm speakers. These speakers should fit into the factory brackets and underneath the factory grilles. Changing the rears in the second generation W126...
I’m planning to drive my 560SEC down to Melbourne in a few weeks. I’m going see the Mercedes Benz Club of Victoria concours and attend a tech day on electrical troubleshooting. A drive like this meant attending to a few things I had on my to do list for the car. One of them was to replace the W126 drag link. It was supposed...
I’m taking my 560SEC on a long road trip in a couple of weeks. I’ve never really been especially happy with the sound from the speakers, particularly from midrange tones. Before I took the car on a long trip, I wanted to upgrade the speakers. I am also doing a similar project on my 300TE. On that car, one of the front speakers is...
I’m about to take my 560SEC on a road trip. I’ve been making sure I had appropriate spares for this road trip, especially things that would he hard to get by the side of the road. One thing on my list was some spare ZH-M. ZH-M is the hydraulic fluid used in the self-levelling rear suspension. Since I was ordering ZH-M I...
I’ve known the automatic transmission in my 560SEC was weak for a few years now. It was exhibiting a lot of the symptoms of wear that these 722.3 transmissions do when they are wearing. When it was cold, there was a lot of resistance in reverse. It would also occasionally bang into a lower gear or shift erratically. Once it warmed up, it...
Ever since I owned my 560SEC, it has always ridden too low in the rear. I have attempted to adjust it a couple of times, but was never able to get the correct height. Using the factory procedure to set the neutral height did not work. At this point a lot of workshops would suggest to rip out the system. This is a really...
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...
Back in September, my 560SEC was at the mechanics to fix a sticking brake caliper and fix the A/C. At the same time, I asked for the source of two oil leaks to be investigated. One was from the power steering and one was engine oil. The power steering leak was confirmed to be from the steering box itself. I had already changed the...
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...
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...
My 1987 UK Market 560SEC was originally sold with Becker Mexico Cassette player (option 251). I’ve been planning for a while to re-install a period Becker radio, with a few of my own upgrades. My first task was to research the radios and purchase a suitable unit. I ended up purchasing two radios, Becker 1402 and Becker 1480. As the skills and parts to...
I’m currently planning to re-install the Becker Radio in my 1987 560SEC. At the same time I will be installing a small amplifier, a bluetooth FM Injector and a couple of unobtrusive USB charging ports. The second generation W126 wiring harness provides a factory way of adding additional accessories. This is the X30 power block. Up to 8 accessories can be connected using factory...
When I purchased my 560SEC, the A/C was not working. It hadn’t even been converted to R134A. I suspect it had never worked while in Australia. The car came out of Queensland, and I’m not sure I would want to drive a car without a car up there. The long time owner was in the Army, I guess tougher than me! When I...
I’m currently planning to install period correct Becker radios into my 450SLC and 560SEC. I previously outlined the radios I plan to use, and tested them. I was able to confirm that the Becker 1402 destined for my 560SEC was working correctly. Rather than using the internal 2x25W amplifier in the Becker, I planned to connect it to an external amp. While I...
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