The Mercedes-Benz Viano (W639), introduced in 2003 and beyond, is a luxury passenger van based on the Vito platform, popular for families and shuttle services in New Zealand. Offering ample space and comfort, it requires vigilant maintenance to ensure reliability, especially given the often high mileage and demanding usage.
Common problems include rust (particularly around the windscreen, wheel arches, and underbody), injector issues on diesel models, turbocharger failures, dual mass flywheel (DMF) problems, suspension wear (especially self-leveling rear suspension on some models), sliding door mechanism issues (power sliding doors are prone to failure), electrical problems, and air conditioning system faults. Oil leaks from the engine and gearbox are also frequent.
WOF tips
WOF inspectors will thoroughly check for rust, especially in structural areas. They'll also inspect the brakes, tires, suspension, lights, seatbelts, and the operation of all doors, including sliding doors. The condition of the seats and interior trim will also be noted, and all safety features must be functional.
About the Mercedes-Benz Viano CDI
The Viano prioritizes passenger comfort with spacious seating and a refined interior. It shares many mechanical components with the Vito, including engine options and suspension systems. Regular servicing is even more vital for the Viano, as issues can impact the comfort and safety of passengers. Rust remains a concern, particularly in coastal areas.
Questions owners ask
What are the most common rust spots to look out for on a MERCEDES-BENZ VIANO 2003–2999 in New Zealand?
Rust is a significant concern for the MERCEDES-BENZ VIANO 2003–2999, especially in coastal areas of New Zealand. Key areas to inspect thoroughly include around the windscreen, the wheel arches, and the underbody. A pre-purchase inspection is highly recommended to identify any existing or potential rust issues.
What common mechanical problems should I be aware of with a MERCEDES-BENZ VIANO 2003–2999?
Owners of the MERCEDES-BENZ VIANO 2003–2999 frequently report injector issues on diesel models, turbocharger failures, and dual mass flywheel (DMF) problems. Suspension wear, particularly with the self-leveling rear suspension on some models, is also common. Oil leaks from the engine and gearbox are also frequent.
How often should I service my MERCEDES-BENZ VIANO 2003–2999?
The recommended service interval for the MERCEDES-BENZ VIANO 2003–2999 is every 20,000km. Given its focus on passenger comfort and shared mechanical components with the Vito, regular servicing is crucial to maintain its performance and ensure the safety and comfort of passengers.
What will a WOF inspector specifically look for on a MERCEDES-BENZ VIANO 2003–2999 in NZ?
For a MERCEDES-BENZ VIANO 2003–2999, WOF inspectors in NZ will pay close attention to rust, especially in structural areas. They will also thoroughly check the brakes, tires, suspension, lights, and seatbelts. The operation of all doors, including the often problematic sliding doors, will be inspected, along with the condition of the seats, interior trim, and all functional safety features.
Where can I get replacement parts for the sliding door mechanism on my MERCEDES-BENZ VIANO 2003–2999 in NZ?
CARFIX stocks 339 SKUs for the MERCEDES-BENZ VIANO 2003–2999. While specific parts for the sliding door mechanism might vary, you can check the CARFIX website or contact them directly to inquire about availability for power sliding door components, which are known to be prone to failure on this model.
Are there any common electrical issues with the MERCEDES-BENZ VIANO 2003–2999?
Yes, electrical problems are a common complaint with the MERCEDES-BENZ VIANO 2003–2999. Air conditioning system faults are also frequently reported. A pre-purchase inspection should include a thorough check of the vehicle's electrical systems.