1955-1980 Mercedes-Benz Unimog 404, 404.1 Service & Repair Manual

1955-1980 Mercedes-Benz Unimog 404, 404.1 Service & Repair Manual

Models Covered:

• Mercedes-Benz Unimog 404
• Mercedes-Benz Unimog 404.1

Engines Covered:

• 2.2L M180 SOHC I6
• 2.8L M130 SOHC I6

Transmissions Covered:

• UG1-11 8-speed manual

The 1955-1980 Mercedes-Benz Unimog 404, 404.1 Service & Repair Manual offers a complete technical guide for maintaining, servicing, and troubleshooting the classic Unimog 404 series. Covering both the 404 and 404.1 models, this manual includes detailed procedures used by factory technicians and field mechanics.

Whether you're working with the M180 or M130 inline-six engines or the robust UG1-11 8-speed gearbox, this manual walks you through each task with step-by-step instructions, technical data, and diagnostic help. Ideal for off-road enthusiasts, military surplus owners, and collectors restoring vintage Unimogs.

Content Overview:

• General Information, Warranty Terms & Vehicle Identification
• Instrumentation, Controls & Dashboard Features
• Starting Procedures, Crawler Gear Shifting & PTO Operation
• 4WD Operation, Differential Locks & Brake Systems
• Winter Operation Guidelines & Cold-Weather Starting Procedures
• Maintenance Schedules & Lubrication Points
• Oil Change, Oil Pressure, and Cylinder Head Bolt Retightening
• Carburetor Adjustments, Spark Plug & Ignition Timing Checks
• Fuel System: Tank, Prefilter, Pump & Filling Procedures
• Cooling System & Compression Checks
• Chassis, Axle, Steering & Suspension Maintenance
• Electrical System: Battery, Alternator, and Lighting
• Transmission Operation, Gear Shifting & Oil Maintenance
• Clutch Adjustments and Valve Clearance Specs
• Emissions, Exhaust System & Turbocharger Maintenance
• V-Belts, Tire Pressure, Axle Ratios & Torque Specs
• Trailer Towing, Coupling, and Load Limits
• Troubleshooting Charts, Technical Data, and Wiring Diagrams

This manual is an essential companion for maintaining your Unimog’s legendary reliability, whether you're tackling preventative maintenance or digging into a full rebuild.

Printable: Yes
Language: English
Compatibility: Pretty much any electronic device, incl. PC & Mac computers, Android and Apple smartphones & tablets, etc.
Requirements: Adobe Reader (free)