How it works, diagnosis and troubleshooting tips Hidden in that yellow foam block is the PSE unit, home of the central locking pump and other functions. The Mercedes-Benz Model 210 E-Class is probably a typical visitor to your shop, with a zillion still on the road,...

Catalytic converters have been all over the news lately, but not because of the fact that they are incredible devices that can literally change the molecules of the exhaust gases and convert toxins into less harmful byproducts, such as water vapor (steam) and carbon...

How networks work, diagnosis and troubleshooting tips Let’s face it: Any technician, whether dealer or independent, faces challenges in accurately and efficiently addressing communication Diagnostic Trouble Codes (DTCs), especially when multiple networks on the...