Mercedes-Benz S-Class W116 350
Model overview
The W116 S-Class can provide durable, comfortable classic-car ownership, but condition matters greatly. Rust, ageing suspension and brakes, electrical equipment and engine-specific fuel-system maintenance deserve close attention across this mixed 1972–1980 range.
Pros
- Comfortable, substantial classic luxury sedan
- Strong long-distance manners
- Wide petrol and diesel engine choice
Cons
- Rust repair can be extensive
- Period electrical and climate equipment is complex
- Running costs vary considerably by engine and specification
Common problems & ownership concerns
Potential impact: Low · Medium · High. This describes possible consequences, not fault likelihood.
- Structural and body corrosionHigh
- Ageing suspension, steering and braking hydraulicsHigh
- Electrical and climate-control faultsMedium
Maintenance
Follow the exact engine and market manual, with particular attention to fluids, belts, hoses, brake components, fuel systems and age-sensitive rubber.
Engine overview · 3.5L 8-cyl PETROL
The W116 350 SE’s 3.5-litre V8 offers smooth, durable performance, but fuel-injection, timing-chain, cooling and sealing systems need careful age-appropriate maintenance.
Pros
- Refined, smooth V8 character
- Durable period-engine design
- Good specialist support
Cons
- Complex age-related fuel-system upkeep
- Potential timing-chain service needs
- Cooling and oil leaks can require attention
Common problems & ownership concerns
Potential impact: Low · Medium · High. This describes possible consequences, not fault likelihood.
- Ageing injection and fuel-system componentsMedium
- Timing-chain, guide and tensioner wearHigh
- Cooling-system and oil-leak deteriorationMedium
- Ignition and vacuum-system ageingMedium
Maintenance
Follow the vehicle-specific Mercedes-Benz service specification and verify injection and emissions equipment by VIN and engine number.
These are general ownership concerns, not a diagnosis. Equipment and engine details vary by version and production date.
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