2005 Mercedes-Benz O400 Service and Repair Manual

This factory service and repair manual for the 2005 Mercedes-Benz O400 applies to a bus chassis with a cab-forward layout, classed as a non-school bus. The data records a single trim for the year, Plataforma. The manual covers chassis procedures, electrical diagnostics and wiring diagrams, along with specifications and torque values for the chassis.

Engines covered

• 12.0L inline-six (OM 457 LA, 730 cu in) — turbocharged, diesel

Body styles covered

• bus (non school), cab forward

Trims covered

• Plataforma

Known issues on the 2005 O400. The O400 in Plataforma trim is a cab-forward bus, and the manual covers its chassis. Suspension and steering work is paired with torque values and specifications, while the electrical system, which on a passenger bus runs a long way back from the driver's position, is traced through wiring diagrams and diagnostics.