R107

$42.95

24" Measuring Machinist Straight Edge with Protective Sleeve

A must have when working on engines.

Engine

You actually may not need a large tank to thoroughly clean them

On Demand Video

$12.99

How to know for sure how well your gas fuel injectors are performing (1976 to 1993 CIS ONLY)

Fuel Delivery

Most owners forget about the fuel injectors - Cap, rotor, wires and plugs may not be enough

$249.00

NEW VERSION 3 release.. See application notes below:

Engine

Even low mileage gas Mercedes as Kent recently discovered.

$19.95

Every diesel owner should have one of these in the trunk to quickly test glow plug functions

On Demand Video

$14.99

This can help you get your 1977 to 1981 Automatic Climate Control working again.

PDF

$9.95

For installing green and black modulator on most 1981 to 1993 models.

Body and Exterior Trim

Both are repairable by the DIY mechanic with the right knowledge and supplies.