Mercedes-Benz SL R129 320
1989–2001 · Roadster
Version
Engine
3.2L 6-cyl · Petrol
Power
226 HP
Torque
315 Nm
Transmission
AUTOMATIC
Drive
RWD
0-100 km/h
8.4 sec
Top Speed
238 km/h
Fuel consumption
11 L/100km
Body
Roadster
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Model overview
A model overview is not available for this generation yet.
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Engine overview · 3.2L 6-cyl PETROL
A smooth later R129 SL320 engine application with good durability potential, provided age-related belt-drive, cooling and oil-leak maintenance has been addressed.
Pros
- Smooth naturally aspirated V6 character
- Durable when maintained carefully
- Strong specialist support
Cons
- Age-related seals and electronics need attention
- Cooling-system condition is important
- Applications vary by production year
Common problems & ownership concerns
Potential impact: Low · Medium · High. This describes possible consequences, not fault likelihood.
- Crankshaft pulley and belt-drive deteriorationHigh
- Oil leaks from upper-engine seals and coversMedium
- Cooling-system ageingHigh
- Electronic throttle and engine-management faultsMedium
Maintenance
Follow the confirmed engine’s Mercedes-Benz service schedule and oil approval, with regular checks of cooling, belts, leaks and electrical components.
These are general ownership concerns, not a diagnosis. Equipment and engine details vary by version and production date.
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