Engine Rebuild, Transmission Overhaul, Suspension Component Replacement, Brake System Repair
Calibration:
Suspension Height Calibration, Throttle Body Adaptation
Technical Depth
Depth:
Comprehensive: Covers everything from basic maintenance to complex diagnostic procedures and component-level repairs.
Diagnostic Tools:
Mentions proprietary diagnostic tools (e.g., Star Diagnosis) and necessary procedures.
📊 Manual Specifications
File Format
Format Details:
Digital Software, likely accessible via CD-ROM or download. May require specific software to open.
Print Quality
Quality:
N/A (Digital Format)
Binding Type
Binding:
N/A (Digital Format)
Paper Type
Paper:
N/A (Digital Format)
Searchability
Text Search:
High (Digital format typically allows keyword searching)
Illustrations
Graphics:
Includes diagrams, schematics, and photographic illustrations.
⚙️ Engine Specifications
Primary Engine
Engine Type:
5.4L Supercharged V8 (M113 E55 ML)
Displacement:
5439 cc (5.4 Liters)
Bore X Stroke:
97.0 mm x 92.0 mm
Compression Ratio:
8.5:1
Performance
Horsepower:
493 hp @ 6100 rpm
Torque:
516 lb-ft (700 Nm) @ 2650-4500 rpm
Redline:
6100 rpm
Fuel System
Fuel Type:
Premium Unleaded Gasoline (91+ Octane)
Induction:
Supercharged with Intercooler
Fuel Delivery:
Sequential Multi-Port Fuel Injection (SFI)
Cooling System
Cooling Type:
Liquid-Cooled
Lubrication
Oil Type:
Synthetic (e.g., Mobil 1 0W-40, or equivalent MB-Approval 229.5)
Oil Capacity:
8.5 Liters (9.0 US Quarts) with filter change
🔧 Transmission
Standard
Transmission Type:
5-Speed Automatic (AMG Speedshift)
Transmission Model:
722.6
Features
Shift Modes:
Comfort, Sport, Manual (via paddle shifters)
Fluid Specifications
Fluid Type:
MB-Approval 236.10 or 236.12 Automatic Transmission Fluid (ATF)
Fluid Capacities
Fluid Capacity Dry:
Approximately 8.0 Liters (8.5 US Quarts)
📐 Dimensions
Exterior
Length:
4537 mm (178.6 in)
Width:
1815 mm (71.5 in)
Height:
1302 mm (51.3 in)
Wheelbase:
2560 mm (100.8 in)
Front Track:
1577 mm (62.1 in)
Rear Track:
1554 mm (61.2 in)
Weights
Curb Weight:
1950 kg (4300 lbs)
Gross Vehicle Weight Rating:
2310 kg (5093 lbs)
Cargo
Trunk Volume Coupe:
310 L (10.9 cu ft)
Trunk Volume Convertible:
230 L (8.1 cu ft)
Wheels Tires
Standard Wheel Size:
18 inches
Optional Wheel Size:
19 inches
Standard Tire Size Front:
255/40R18
Standard Tire Size Rear:
285/35R18
Wheel Bolt Pattern:
5x112
🛡️ Safety Features
Ratings
NHTSA Rating:
Not Specifically Rated for this era in the same way as modern vehicles, but known for robust construction.
Active Features
ABS:
Anti-lock Braking System (ABS)
Esp:
Electronic Stability Program (ESP)
Traction Control:
ASR (Acceleration Slip Regulation)
Suspension Safety:
Active Body Control (ABC) offers stability control and variable ride height.
Passive Features
Airbags:
Front Airbags, Side Airbags, Head Airbags
Rollover Protection:
Pop-up Roll Bar System
Seatbelts:
Pretensioning Seatbelts
💡 Technology Features
Infotainment
Head Unit:
COMAND (Cockpit Management and Navigation)
Navigation:
Integrated GPS Navigation System
Audio System:
Bose Premium Sound System (optional)
Driver Assistance
Parking Assist:
PARKTRONIC Parking Assist (optional)
Adaptive Cruise:
Distronic Adaptive Cruise Control (optional)
Connectivity
Telephone:
Integrated Bluetooth Hands-Free Telephony (optional)
Comfort Features
Climate Control:
Dual-Zone Automatic Climate Control
Seats:
Multi-contour Heated and Ventilated Power Seats with Memory
🔧 Maintenance
Service Intervals
Oil Change Interval:
Typically every 10,000 miles or 1 year, whichever comes first (using synthetic oil). Check manual for exact recommendations.
Transmission Fluid Service:
Recommended at ~60,000 miles or as per service indicator. Requires specialized procedure.
Brake Fluid Flush:
Every 2 years
Coolant Flush:
Every 5 years or 100,000 miles (using Mercedes-Benz approved coolant).
Fluid Specifications
Engine Coolant:
Mercedes-Benz approved Antifreeze/Coolant (e.g., G05 or equivalent, mixed 50/50 with distilled water)
Brake Fluid:
DOT 4 (refer to specific MB-approval if available)
Power Steering Fluid:
MB-Approval 236.3 Hydraulic Fluid (Pentosin CHF 11 S often an equivalent)
Known Issues
Abc System:
Active Body Control (ABC) hydraulic leaks, pump failures, and strut leaks are common. Requires specialized knowledge for repair.
Supercharger Clutch:
Potential failure of the supercharger clutch or pulley system.
Ignition Coils:
Coil-on-plug ignition coils can fail, leading to misfires.
Oil Cooler Seals:
Leaking oil cooler seals can lead to oil contamination in the coolant.
Roof Mechanism:
Hydraulic leaks or actuator failures in the retractable hardtop mechanism.
Filter Part Numbers
Oil Filter:
e.g., Mann-Filter HU721/4X, Bosch 72134
Air Filter:
e.g., Mann-Filter C35163/1
Cabin Filter:
e.g., Mann-Filter CU2935
Spark Plugs
Spark Plug Type:
e.g., NGK Iridium IX (LFR6AIX-11) or similar approved by MB.
📚 Vehicle History
Brand Heritage
Heritage:
Mercedes-Benz has a long-standing reputation for luxury, engineering, and performance, particularly with its SL-Class line.
Model Evolution
R230 Generation:
The R230 SL-Class debuted for the 2003 model year, with the AMG SL55 introduced shortly after. The 2005 model year falls within the initial facelifted R230.1 generation.
Amg Integration:
AMG, Mercedes-Benz's performance division, significantly enhanced the SL55 with a powerful supercharged engine, upgraded suspension, brakes, and aerodynamic elements.
Production
Production Period:
R230 SL55 AMG produced from 2002 to 2007.
Production Location
Manufacturing Plant:
Bremen, Germany
🏆 Awards & Recognition
Recognitions
Performance Acclaim:
The SL55 AMG was widely recognized for its exceptional blend of luxury, comfort, and blistering performance, often lauded by automotive publications for its capabilities.
Ratings
Reliability Perception:
While luxurious, complex AMG models can present higher maintenance costs compared to standard Mercedes-Benz models. Reliability depends heavily on proper maintenance.
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