A detailed manual in electronic form for the repair and maintenance of an executive car 2nd generation Mercedes S-Class (code W126) from 1979 to 1991. Only vehicles with petrol engines are described here: 2.8-liter six-cylinder in-line (280S/280SE); eight-cylinder V-shaped volume of 3.5 liters (350SE), 3.8 liters (380SE), 4.5 liters (450SE) and 5.0 liters (500SE)