1991 Mercedes-Benz 300SEL Service and Repair Manual

This factory service and repair manual for the 1991 Mercedes-Benz 300SEL covers the gasoline sedan: 4-door body, Base trim, and a naturally aspirated 3.0L inline-six with one overhead camshaft. The manual brings together the six-cylinder's fuel injection, ignition and cooling specifications with the brakes, steering, suspension and electrical systems of the large sedan.

Engines covered

• 3.0L inline-six — SOHC, naturally aspirated, gasoline

Body styles covered

• 4-door sedan

Trims covered

• Base

Known issues on the 1991 300SEL. A 1991 300SEL asks for regular attention to its gasoline inline-six and the systems of a big four-door body. The manual covers fuel, ignition, cooling and lubrication with procedures and specifications, gives torque values for suspension, steering and brake components, and includes wiring diagrams and diagnostic procedures for the car's electrical circuits.