Depending on your needs and budget, you have several good options for obtaining a manual:
On the OM646 and OM642 diesel engines, carbon buildup can accumulate around the fuel injectors due to failed copper crush washers. The workshop manual details the exact protocol for pulling stuck injectors, cleaning the injector seats without damaging the cylinder head, and torquing the stretch bolts to the exact factory specification. Propshaft Vibration
The electrical harness running into the twin sliding doors is prone to fraying over time, causing central locking failures or "door open" dashboard warnings. The manual provides guided steps to remove interior door cards, replace the flexible cable track, and align the door latches for a flush fit. 5. Sample Technical Specifications
Correct torque specifications prevent catastrophic component failures. Key Model Variations Covered w639 workshop manual
Clutch replacement and linkage adjustment.
Offers free, downloadable PDF guides on specific tasks like fuel filter replacement, serpentine belt, and brake component servicing.
The most authoritative and complete information comes from Mercedes-Benz's own and ASRA (Arbeitswert-System für Reparaturen an Fahrzeugen, or work value system for vehicle repairs). These are the same systems used by Mercedes-Benz dealership technicians, providing the official repair procedures, technical data, and time allowances for every job. The WIS/ASRA system is available on official Mercedes-Benz DVDs and, while they can be expensive, they are the gold standard for professional mechanics and dedicated enthusiasts. Depending on your needs and budget, you have
Using a workshop manual is a skill in itself. Here’s a general approach to follow for any repair:
Investing in a quality is the best way to maintain the reliability of your Mercedes Vito or Viano. By following the precise, step-by-step instructions for maintenance and repair, you can ensure your van remains dependable for years to come.
Full procedures for petrol V6 (3.2L, 3.7L) and diesel CDI (2.2L) engines, including cooling systems, clutches, and manual transmissions. Chassis & Handling: The manual provides guided steps to remove interior
Including chassis codes like 639.601, 639.703, and 639.815. Essential Manual Sections
The W639 series was offered with a range of engines, including:
A comprehensive W639 manual is an invaluable resource for any owner. For instance, the KrutilVertel e-manual for the W639 (2010 onwards) includes sections on emergency actions, daily checks, maintenance, mechanical systems, and safety precautions. The "Mercedes-Benz Vito & Viano 2004-2010 Owners Workshop Manual" provides concise, easy-to-follow instructions that are cross-checked for accuracy with official Mercedes-Benz service procedures. A high-quality manual should provide a comprehensive overview, covering all critical vehicle systems: