In this issue

Modern Mercedes-Benz A/C Compressors

Some have clutches, some don’t. Some are the scroll type, some aren’t. How do you know if they’re doing what they’re supposed to do?

Antifreeze: The Chemistry Behind the Genuine Article

Mercedes-Benz chemical engineers and metallurgists have worked out the fine points of this, and would not be overjoyed to know you’ve been putting something non-specified in your customer’s vehicles.

Water Watch

Mercedes-Benz chemical engineers and metallurgists have worked out the fine points of this, and would not be overjoyed to know you’ve been putting something non-specified in your customer’s vehicles.

Glass, but not Windshields

The secrets of perfect installation of movable glass.

Collision: Precision Frame Straightening

Tape measures and levels are ancient history. Today, you need the right equipment and procedures to put things back where they need to be EXACTLY.