Mercedes-Benz E-Class W123/S123/C123 240
Model overview
A model overview is not available for this generation yet.
Engine overview · 2.4L 4-cyl DIESEL
A simple, durable non-turbo diesel, but age and maintenance history now matter more than the original design. This manual 240 D application needs careful attention to timing drive, fuel, cooling and cold-start systems.
Pros
- Simple mechanical design
- Durable when maintained
- Limited electronic complexity
Cons
- Slow and noisy by modern standards
- Age-related leaks and wear are likely considerations
- Overheating history can be significant
Common problems & ownership concerns
Potential impact: Low · Medium · High. This describes possible consequences, not fault likelihood.
- Timing-chain and tensioner wearHigh
- Fuel-injection system leaks and wearMedium
- Cooling-system neglect and overheating damageHigh
- Glow-plug and cold-start faultsMedium
Maintenance
Follow the vehicle-specific service schedule and lubricant specification, with particular care for valve adjustment, cooling components, fuel filtration and glow-plug operation.
These are general ownership concerns, not a diagnosis. Equipment and engine details vary by version and production date.
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