The Mercedes-Benz SL (R107 chassis) from 1976-1981 represents an era of classic roadster styling and German engineering. These SLs remain desirable in New Zealand, but require specialist knowledge for upkeep. This guide highlights key areas for owners and prospective buyers.
Common issues include rust (especially around wheel arches, sills, floor pans, and convertible top mounting points), worn suspension components, engine oil leaks, cooling system problems, convertible top mechanism failures, and electrical issues related to age and corrosion. Fuel injection systems can require specialist attention.
WOF tips
Rust is critical, paying attention to sills, floors and around suspension mounting points. Suspension components must be sound. Brakes and tires are carefully scrutinized. Headlights functionality is key as the vehicle gets older and finding replacement parts can be difficult. Windscreen condition is important to prevent glare and visibility issues.
About the Mercedes-Benz SL 280 SL
The 1976-1981 SL models were primarily powered by V8 engines, known for their smooth power delivery but also their potential for fuel consumption and maintenance costs. Suspension components, particularly the rear subframe mounts and front suspension bushings, are prone to wear. Rust is a significant concern, particularly in areas prone to moisture. The convertible top mechanism requires regular lubrication and adjustment.
Questions owners ask
What are the common rust spots I should check on my 1976-1981 Mercedes-Benz SL before a WOF inspection?
For your 1976-1981 Mercedes-Benz SL, pay close attention to rust around the wheel arches, sills, floor pans, and convertible top mounting points. These areas are critical for a WOF inspection in New Zealand, especially around suspension mounting points.
My 1976-1981 Mercedes-Benz SL has a V8 engine. What are the typical maintenance considerations for this engine?
The V8 engines in the 1976-1981 Mercedes-Benz SL are known for smooth power but can have higher fuel consumption and maintenance costs. Common issues include engine oil leaks and cooling system problems. The fuel injection system often requires specialist attention due to its age.
Where can I get replacement suspension components for my 1976-1981 Mercedes-Benz SL in NZ?
CARFIX stocks 110 SKUs for your 1976-1981 Mercedes-Benz SL. You can find various suspension components, such as front suspension bushings and parts related to the rear subframe mounts, which are known wear items for this model.
What should I know about the convertible top mechanism on my 1976-1981 Mercedes-Benz SL?
The convertible top mechanism on your 1976-1981 Mercedes-Benz SL requires regular lubrication and adjustment to function correctly. Failures in this mechanism are a common issue, often related to age and corrosion.
How often should I service my 1976-1981 Mercedes-Benz SL?
The recommended service interval for your 1976-1981 Mercedes-Benz SL is every 10,000 km. Given it's a classic vehicle, more frequent checks, especially for oil leaks and cooling system health, are advisable.
What electrical issues are common in the 1976-1981 Mercedes-Benz SL?
Electrical issues in the 1976-1981 Mercedes-Benz SL are common due to the vehicle's age and potential corrosion. These can manifest in various ways, so a thorough inspection of the wiring and connections is recommended.