The Mercedes-Benz S-Class (W126) of 1985-1991 represents the epitome of luxury motoring, forever etched in the hearts of car enthusiasts across New Zealand. Renowned for their opulent interiors and remarkable engineering, the S-Class models have become a symbol of prestige and reliability on our roads. With many examples still gracing our highways, potential buyers should consider important factors that ensure they make a wise investment in this timeless vehicle.
Common problems include rust (especially in coastal areas), failing air conditioning systems (expensive to repair), worn suspension components (especially self-levelling rear suspension), oil leaks from the engine and transmission, and electrical issues. The complicated climate control systems can also be problematic.
WOF tips
Pay close attention to rust around the suspension mounting points and brake lines. Suspension wear is also a common WOF failure point. Headlight alignment and function are always checked, and the complex electrical systems mean all lights and indicators must be working correctly. Modifications from the original design can cause WOF issues.
About the Mercedes-Benz S-Class 420 SEC
In the Kiwi market, the W126 S-Class, particularly the 420 SEC, is celebrated for its smooth ride and powerful V8 engine. It creates a serene escape from the outside world, melding dynamic performance with luxurious comfort. However, as with any classic, it requires attentive care. Owners should be vigilant about parts that typically need replacement, such as the tires and brake pads, especially given the high demand for braking efficiency on this heavy vehicle. Recommended service intervals set at every 10,000km for oil changes ensure your engine runs smoothly, while the air conditioning system may need servicing more frequently due to its complexity and age. Look for rust in critical areas, including the jacking points and wheel arches, as a preventative measure to safeguard your investment.
Another point of concern is the self-levelling rear suspension; if you're facing issues here, consider a full suspension inspection. The brakes also deserve attention, so don’t hesitate to book in for a Front or Rear Brake Service—essential for your safety on the road. When it comes to the cooling system, regular checks are crucial; parts like the water pump, thermostat, and radiator hoses should be inspected around the 150,000km mark. For those interested in maintenance and ensuring your vehicle’s longevity, check out our Cooling category for suitable parts and services. There’s no doubt that while the 420 SEC is built to last, diligence in care will preserve its luxurious drive and classic charm.
Questions owners ask
What are some common problems I should look out for on my 1985-1991 Mercedes-Benz S-Class in New Zealand?
Common issues in New Zealand include rust, especially if you live near the coast. The air conditioning systems are known to fail and can be expensive to repair. Also, watch out for worn suspension components, particularly the self-levelling rear suspension. Oil leaks from the engine and transmission, and electrical issues are also common. The climate control systems can be problematic due to their complexity.
Where can I get brake pads and other parts for my 1985-1991 Mercedes-Benz S-Class in NZ?
CARFIX stocks over 154 SKUs for the 1985-1991 Mercedes-Benz S-Class. You can find parts like brake pads, tires, and components for the cooling system in our online store. Check out our Cooling category for water pumps, thermostats, and radiator hoses.
What should I check on my 1985-1991 Mercedes-Benz S-Class to pass a Warrant of Fitness (WOF) in New Zealand?
For your WOF, pay close attention to rust, especially around the suspension mounting points and brake lines. Suspension wear is a common failure point. Headlight alignment and function are always checked, and because of the complex electrical systems, all lights and indicators must be working correctly. Modifications from the original design can also cause WOF issues.
How often should I change the oil on my 1985-1991 Mercedes-Benz S-Class?
It's recommended to change the oil on your 1985-1991 Mercedes-Benz S-Class every 10,000km to keep the engine running smoothly.
My 1985-1991 Mercedes-Benz S-Class has self-levelling rear suspension. What are some common issues and how can I address them?
The self-levelling rear suspension on the 1985-1991 Mercedes-Benz S-Class is prone to wear. If you're experiencing issues, a full suspension inspection is recommended. This is especially important for maintaining the smooth ride the S-Class is known for.
At what mileage should I inspect the cooling system components on my 1985-1991 Mercedes-Benz S-Class?
Around the 150,000km mark, it's crucial to inspect the cooling system components on your 1985-1991 Mercedes-Benz S-Class. Key parts to check include the water pump, thermostat, and radiator hoses. Regular checks can prevent overheating and costly repairs.
Is rust a big problem for the 1985-1991 Mercedes-Benz S-Class in New Zealand?
Yes, rust is a significant concern for the 1985-1991 Mercedes-Benz S-Class, especially in coastal areas of New Zealand. Be sure to inspect critical areas like the jacking points and wheel arches regularly to prevent rust from spreading.