In this issue:

Eye on Emissions, P0400 And Beyond

Automobile emissions are a hot topic among environmentalists, drivers and technicians. Mercedes-Benz vehicles utilize emissions systems, such as Exhaust Gas Recirculation, to reduce harmful pollutants.

Can We Get on the Bus

Since the early ‘90s, Mercedes-Benz has developed its Controller Area Network (CAN) to control how components communicate with each other and with us through our Compact III or Basic. How has this evolved, and what does it mean to diagnosis and repair?

Control Units go Back to School

Installing a new control unit to replace the failed one is only half the job. With various combinations of options available on the same model, the new unit has to learn which are installed and how to work with them..

Taking Stock in Bonds (Chemical Bonds, That is)

Ease of manufacture, shear strength and aesthetic body lines are only some of the reasons Mercedes-Benz uses chemical bonding for joining body panels. How can we duplicate an OEM panel seam?