2020 Mercedes-Benz OC 500 Service and Repair Manual
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2020 Mercedes-Benz OC 500 Service and Repair Manual
This factory service and repair manual for the 2020 Mercedes-Benz OC 500 is for a stripped bus chassis intended for non-school service. Its engine is a 12.0L inline-six of 730 cubic inches, turbocharged and burning diesel. Two trims are listed for the year, RF 1943 and RF 2543. The manual covers the running gear itself: engine, turbocharger, fuel and cooling systems, along with brakes, axles, suspension, steering and chassis wiring.
Engines covered
- 12.0L inline-six (730 cu in) — turbocharged, diesel
Body styles covered
- bus (non school), stripped chassis
Trims covered
- RF 1943
- RF 2543
Known issues on the 2020 OC 500. The manual gives procedures and torque values for the 12.0L diesel and its turbocharger, specifications for fuel delivery and cooling, and inspection and adjustment steps for brakes, suspension and steering on both the RF 1943 and RF 2543. Chassis wiring is documented with wiring diagrams, and diagnostic routines cover engine and electrical faults.