2020 Mercedes-Benz OF 1321 Service and Repair Manual

This factory service and repair manual for the 2020 Mercedes-Benz OF 1321 covers a bus (non school) stripped chassis, listed with the 44 Euro V Blue Tec 5 and 48 Euro V Blue Tec 5 trims. Its engine is a 4.8L diesel inline-four of 293 cubic inches, turbocharged. For a chassis that goes into service carrying passengers, the manual supplies procedures, specifications, torque values and wiring diagrams for this chassis and powertrain.

Engines covered

• 4.8L inline-four (293 cu in) — turbocharged, diesel

Body styles covered

• bus (non school), stripped chassis

Trims covered

• 44 Euro V Blue Tec 5
• 48 Euro V Blue Tec 5

Known issues on the 2020 OF 1321. Both listed trims draw on the one engine in the listing, the turbocharged 4.8L inline-four, and the manual gives its diagnostics, specifications and torque values. Wiring diagrams for the stripped chassis cover the electrical side, and procedures explain service and repair on the chassis.