Mercedes-Benz S-Class W220 600 (5513 cc)
Model overview
A refined, comfortable luxury sedan with impressive engine choice, but age, corrosion and complex suspension and electronics make condition and maintenance history more important than specification alone.
Pros
- Exceptional ride comfort and refinement
- Powerful and smooth engine range
- Well-equipped, spacious luxury cabin
Cons
- Complex suspension repairs can be expensive
- Corrosion and electronic faults are age-related concerns
- Running costs vary sharply by engine and equipment
Common problems & ownership concerns
Potential impact: Low · Medium · High. This describes possible consequences, not fault likelihood.
- Air suspension or ABC system deteriorationHigh
- Age-related electronic and wiring faultsMedium
- Body and structural corrosionHigh
- Automatic transmission and driveline wearMedium
Maintenance
Confirm the exact engine, transmission and suspension system by VIN, then follow the applicable manufacturer and specialist service schedule.
Engine overview · 5.5L 12-cyl PETROL
This refined turbocharged V12 offers smooth, strong performance but has complex supporting systems and high age-related maintenance exposure. Condition, servicing and VIN-specific specification matter more than the catalogue label alone.
Pros
- Smooth V12 refinement.
- Strong performance and quiet power delivery.
- Premium long-distance character.
Cons
- Complex and costly to diagnose or repair.
- Limited access can increase labour time.
- Age-related leaks and cooling faults need attention.
Common problems & ownership concerns
Potential impact: Low · Medium · High. This describes possible consequences, not fault likelihood.
- Oil leaks and ageing sealsMedium
- Ignition components and misfiresMedium
- Cooling-system deteriorationHigh
- Turbocharger and boost-control faultsHigh
Maintenance
Follow the VIN-specific Mercedes-Benz service schedule and approved fluid specifications; confirm the exact engine code before servicing.
These are general ownership concerns, not a diagnosis. Equipment and engine details vary by version and production date.
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