W639 Workshop Manual ((hot)) May 2026

To get the most out of a Mercedes-Benz W639 (Vito/Viano) workshop manual, it is best to use a combination of official documentation for complex systems and step-by-step DIY guides for routine maintenance. Where to Find W639 Manuals

• Manual (G56) – clutch alignment dowel location
• Automatic (722.6) – conductor plate replacement, fluid filling temp procedure (40–45°C)

Recommendation: For professional repair, use a genuine Mercedes WIS PDF dump (circa 2012–2014) or an all-makes subscription like ALLDATA or AutoData. For DIY, a high-resolution scanned copy of the Mercedes “W639 Service Information” (3,500+ pages) is essential. w639 workshop manual

Engine & Mechanical: Complete disassembly/assembly for petrol and diesel variants, including head gasket replacement and timing procedures. To get the most out of a Mercedes-Benz

Chassis & Safety: Instructions for the steering system, suspension, ABS sensors, and brake components (pads, calipers, and master cylinders). Manual (G56) – clutch alignment dowel location Automatic

Do not rely on forum myths. Do not trust the "mechanic’s intuition" of a friend who once worked on a Ford Transit. Get the W639 Workshop Manual, read the torque specs, follow the wiring diagrams, and keep your Mercedes running for another 200,000 miles.