Mercedes-Benz SL R129 SL 55 AMG
1989–2001 · Roadster
Version
Engine
5.4L 8-cyl · Petrol
Power
354 HP
Torque
530 Nm
Transmission
AUTOMATIC
Drive
RWD
0-100 km/h
5.9 sec
Top Speed
250 km/h
Fuel consumption
12.8 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 · 5.4L 8-cyl PETROL
A strong but now age-sensitive naturally aspirated V8 application for the 1999–2001 R129 SL55 AMG.
Pros
- Strong V8 performance
- Timing-chain engine
- Distinctive limited-period AMG application
Cons
- Age-related sealing and belt-drive concerns
- Specialist diagnosis may be needed
- Condition varies substantially by history
Common problems & ownership concerns
Potential impact: Low · Medium · High. This describes possible consequences, not fault likelihood.
- Age-related oil leaks from V8 seals and coversMedium
- Crankshaft harmonic balancer deterioration on applicable M113 enginesHigh
- Electronic throttle actuator or associated control faultsMedium
Maintenance
Follow VIN-specific Mercedes-Benz service information and inspect the belt drive, cooling system and visible sealing surfaces regularly.
These are general ownership concerns, not a diagnosis. Equipment and engine details vary by version and production date.
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