In this issue:

Hybrid and Electric Vehicle Service Safety

Learning these basics can save your life – what not to touch or do, and when to refer customers to a dealer.

Climate Control Vents

Mercedes-Benz has gone far beyond cables and vacuum to control HVAC accurately.

MLS: The Forever Head Gasket

MLS technology takes us from spongy to rigid, and from tenuous to permanent, but you have to live by the rules.

The Aluminum Workplace

You may think the adoption of aluminum components is the latest thing in the evolution of Mercedes-Benz vehicles, but even so repair procedures have changed substantially over the last decade.