CARFIX

Mercedes-Benz S-Class 450 SE, SEL (1973–1980)

The Mercedes-Benz S-Class (W116), revered from 1973 to 1980, is a symbol of unparalleled engineering excellence and regal presence. This generation raised the bar for luxury vehicles, showcasing sophisticated design and advancements in safety. Kiwi drivers were drawn to its combination of performance, style, and cutting-edge technology, making it a hallmark of prestige on New Zealand roads.

Parts for the Mercedes-Benz S-Class 450 SE, SEL

Known issues

Common issues to watch out for include rust, particularly around the wheel arches, sills, and lower body panels. The complex fuel injection systems can be prone to problems, requiring specialist knowledge to diagnose and repair. Suspension components, especially the self-levelling system in some models, can also wear out over time. Interior trim can suffer from sun damage and wear and tear.

WOF tips

WOF inspectors will pay close attention to rust, the condition of the suspension and brakes, and the operation of all lights and safety features. Check that the seatbelts are in good condition and functioning correctly. The exhaust system should be free of leaks. Any modifications will need to be certified.

About the Mercedes-Benz S-Class 450 SE, SEL

Available in both 450 SE and long-wheelbase 450 SEL variants, the W116 series charms with its smooth power delivery and advanced fuel injection systems. Commonly favored for their efficiency, these models reflect Mercedes-Benz's commitment to longevity with simple maintenance options. However, potential owners should be vigilant about common issues.

Preventive maintenance is key to keeping this engineering marvel on the road. The cooling system requires attention around 150,000 km—be sure to inspect the water pump, thermostat, and radiator hoses. [This naturally links to /shop/cooling] Additionally, it's crucial to monitor the braking systems. The front and rear brake service should ideally be done every 20,000 km to ensure optimal performance and safety on the roads. Regular replacement of wiper blades and filters every 15,000 km will also guarantee a comfortable driving experience in varying weather conditions. [These aspects link to /shop/braking and /shop/filtration] Ultimately, investing in proper care will allow owners to enjoy their S-Class for decades, embracing the luxury and legacy it offers.