2005 Mercedes-Benz Allegro Service and Repair Manual

This factory service and repair manual for the 2005 Mercedes-Benz Allegro covers a turbocharged 6.4L inline-six diesel, 389 cubic inches in displacement, installed in a one-door cab-forward bus listed for non-school use. OMC 1626/51L /51AL is the only trim on record. Work on this vehicle revolves around the diesel engine, its air and fuel systems, and the chassis beneath the body, and each of those is set out with specifications and torque values.

Engines covered

• 6.4L inline-six (389 cu in) — turbocharged, diesel

Body styles covered

• 1-door bus (non school), cab forward

Trims covered

• OMC 1626/51L /51AL

Known issues on the 2005 Allegro. For the 2005 Allegro, the manual's value lies in the diesel powertrain and the chassis systems a cab-forward bus depends on. The 6.4L six is covered with engine mechanical procedures, turbocharger and fuel system diagnostics, and the torque values needed during reassembly. Brake, steering and suspension procedures come with their specifications, and wiring diagrams trace the circuits running from the forward cab to the rest of the vehicle.