Help! I need a 108 fuse map

Right here.

Replacing the antenna mast

Another quick and easy operation.

What's the best kind of battery to get?

Heavily biased opinion.

Battery drain?

Is your battery going flat and you're measure more than tens of milliamps current drain when the car is off? Here's how to find it.

240D ignition switch wiring.

What is the proper way to connect the seven wires to the eight pins on the ignition switch in a '79 240D? The answer is here.

Fixing W126 300SD tach amps

There is a quick fix for a broken tach. "Fix might be the wrong word here, it only fixes it for a while. But, I coaxed 5 more years out a nearly dead one doing this. When it needed fixing more and more I gave up, but the bullet and got a new tach amp. It's been flawless since then of course.

Fixing monowiper assemblies

How to repair windshield wiper assemblies

Troubleshooting VDO cruise control

From a company that rebuilds them.

Car batteries aren't 12 volts

And if yours is, it's broken.

Repairing your cruise control amplifier

You can repair it in your kitchen in about an hour.

Regulator upgrade

Volts aint what they used to be. Modern batteries require a greater voltage than older cars put out. Here's an upgrade strategy.

The deep cycle battery FAQ

For you Optima (and other) fans.

The lights go on when I press the horn...

Got a weird problem? Here's something that might help.

No interior lights in your 126? Fuse 15 blowing?

Uh huh, been there done that. Here's the fix.

126 Front Dome LIght Overhaul

How to overhaul the front interior light in a W126 chassis car.

Mo' batteries

Another and very good explanation of various batteries and specifications.

Troubleshooting?

Doing a bit of electrical troubleshooting? Here's a handy tip.

123 fuel sender Repair

Fuel gauge not working, and you've figured out it's the sender? Here's how to repair it.

Neat little things

Why electrical circuits on a 126 last longer and work better than the equivalent circuit in, say a 108. The connectors are considerably improved.

Diagnostic connector

Analyze and Troubleshoot "Check Engine" MIL and Electronic Control Units (ECU)

In the immortal words of Dr. Marshall Booth: "ALWAYS check the fuses". Read how to in this somewhat ironic article.

dead battery

Don't you just hate it when all the electronic gizmoz lose their mind when you chnage the battery and and car has no source of electricity for a while? Here's a cute fix for that.

regulator repair

If you're told you need a new alternator chances are you don't and only need a new regulator. A new alternator, installed, at the dealer is $770. A new regulator is $18. You can repair your old one for about $2.

Booster Pack Batteries

Better than booster cable?

Ultimate Booster Cables

How to build the ultimate booster cables.