For 1975, U.S. buyers were privileged to an all new feature—emissions! Yes, the U.S. Environmental Protection Agency or EPA, required that all cars be fitted with an emissions system to hep curb...
REFRIGERENT r12 or r134 In our second part of the Mercedes 450SL air conditioning restoration, we will focus on prepping the system for freon. The 1975 450SL I am restoring, had the original compressor with r12 refrigerant. While it had long since leaked down over the near decade of sitting,...
I was recently asked if I would write an article on spark plugs and wires. Like tires, additives, cleaners, batteries, etc., we have so many choices and each with a claim to be the “best.” So just where do we begin to get the right product for our classic Mercedes? The best place to start is at...
As we progress on our journey through the 1975 Mercedes-Benz 450SL, it is important to look at the D-Jetronic or D-Jet fuel injection system. With these systems aging and parts needing to be replaced, it is a good time to look at the general function of this system and the various components....
The early Mercedes 450SL power steering system is very robust and quite simple. The other positive is, pumps, hoses, steering boxes etc., are all available should the need arise. Several things that all power steering systems need on a regular basis is to be checked for fluid. While the power...
Part of Mercedes maintenance is to make sure your Mercedes camshaft oilers are not clogged. The two camshaft oilers are not at all complicated to clean and change out and if you are uncertain of when the plastic oiler fittings were last changed, you should do so immediately. THE OILER TUBE...
When it comes to working on your classic or any model year car for that matter, it will generally save you a significant amount of money. As I have mentioned in prior articles, it also gives you full opportunity to learn the ins and outs of your car. Today we will jump into the removing the...
Eventually you will more than likely need to remove your fan and fan shroud from your Mercedes 450SL. It is not difficult but does require removing a number of items to accomplish the task. To get started, a little coolant will need to be drained from the radiator via the drain plug at the...
Just why is it that when the job is almost done more goes wrong. Well, that’s life when you are working on a 1975 that sat for years in the desert—things disintegrate. I truly was excited to do one final check of the 1975 Mercedes 450SL in preparation of starting it next week after nearly a...
As promised, I have concluded my testing of the BlueChem line of diesel engine cleaning products. Now we wrap up with the BlueChem “Oil System Cleaner” and “Oil System Care.” As you know, the older diesel engines did not burn as clean and efficiently as do the new diesels and thus leave behind a...
Get help answering any questions you have
Contact Us