Target Audience:
Technicians, mechanics, and owners seeking to repair, learn, or work on their Mercedes-Benz R230 SL-Class.
Content Accuracy:
Technical data kept like the original manufacturer book.
Document Source:
Represents the 'official full COMPLETE factory service repair manual', indicating it's derived from manufacturer-provided documentation.
Benefits:
Low price, great quality, instant access, comprehensive information.
Competitors Of R230:
Competed against models like the BMW 6 Series Convertible, Porsche 911 Cabriolet, and Jaguar XK Convertible.
Powertrain:
Engine Service/Repair, Transmission Service/Repair, Fuel Injection, Fuel System, Emission System, Engine Control System, Differential/Drive, Axle
Chassis And Suspension:
Brake System, Suspension, Steering, Chassis/Body
Electrical And Comfort:
Wiring Diagram, Electrical System, Heater/Air Conditioner, Interior, Restraint System
Cooling System:
Radiator, fans, water pump, thermostat, hoses, and coolant specifications and service.
Emission System:
Catalytic converters, oxygen sensors, EVAP system, and emission control diagnostics.
Air Conditioning Heater:
Refrigerant types, system components (compressor, condenser, evaporator), diagnostics, and repair for climate control.
Steering System:
Power steering pump, steering rack, tie rods, and alignment procedures.
Brake System:
Front and rear brake discs, calipers, pads, ABS/ESP components, and brake fluid bleeding.
Suspension System:
Struts, shock absorbers, control arms, ball joints, bushings, and the ABC (Active Body Control) system components and diagnostics.
Chassis Body:
Includes body panels, frame, Vario-Roof mechanism, doors, hood, trunk, and related hardware.
Interior Trim:
Covers removal and installation of interior components, seats, dashboard, door panels, and trim pieces.
Restraint System:
Seat belts, airbags, SRS control module, and associated diagnostics.
Maintenance:
General Maintenance, Periodic Lubrication, Maintenance Check List, Maintenance Chart, Service Instruction
Diagnostics And Repair:
Troubleshooting, Component Repair, System Diagnostics, Circuit Diagrams
Troubleshooting Methodology:
Systematic diagnostic procedures, fault code interpretation, and common problem resolution techniques.
Engine Rebuild:
Detailed steps for engine disassembly, inspection, component replacement, and reassembly.
Transmission Overhaul:
Comprehensive guide for the complete disassembly, repair, and reassembly of the automatic transmission.
Electrical Diagnostics:
Step-by-step troubleshooting for electrical faults, including wiring diagrams and component testing.
Scope:
Complete factory-level repair and diagnostic information, suitable for technicians and advanced DIY enthusiasts.
Diagnostic Tools:
References to the use of Mercedes-Benz diagnostic tools (e.g., STAR Diagnosis) and interpretation of their outputs.
Specifications Detail:
Includes critical torque specifications for all fasteners, electrical component specifications, and precise measurement data for critical parts.
Diagnostic Procedures:
Detailed diagnostic trees and flowcharts for identifying and resolving specific fault codes and symptoms.
Engine Variants:
Likely includes M112 (4.3L V8), M113 (5.0L V8, 5.4L V8 Supercharged - AMG), and M272 (3.5L V6 for later models not covered by this specific manual range, but the 5.0L V8 M113 E50 is prominent for the early R230).
Engine Performance Data:
Detailed specifications for horsepower, torque, engine diagnostics, and tuning procedures for the specific engines equipped in the R230 between 2001-2006.
Fuel System Coverage:
Fuel injection system diagnostics, repair, fuel pump, injectors, fuel pressure regulation, and fuel tank service.
Engine Codes Likely Covered:
M113 E50 (for the SL500)
Spark Plug Replacement:
Specifications for spark plug types, gap settings, and replacement intervals.
Transmission Type:
Likely the Mercedes-Benz 5G-TRONIC (722.6) automatic transmission, known for its robustness and integration with the vehicle's electronic systems.
Service Procedures:
Detailed repair and overhaul procedures, fluid specifications, filter replacement, electronic control unit (TCU) diagnostics, and torque converter service.
Transmission Fluid Capacity
Fluid Capacity:
Specific fluid capacity for transmission oil changes (e.g., approx. 8-9 liters for a torque converter service).
Gear Ratios:
The manual likely details the specific gear ratios for the 5G-TRONIC transmission used in the R230 models.
General Body Style:
Two-door convertible roadster with a retractable hardtop (Vario-Roof).
Wheelbase:
Approx. 2560 mm (100.8 inches)
Length:
Approx. 4515 mm (177.8 inches)
Width:
Approx. 1815 mm (71.5 inches)
Height:
Approx. 1300 mm (51.2 inches)
Curb Weight Range:
Approximately 1800-1950 kg (4000-4300 lbs), depending on engine and equipment.
Gross Vehicle Weight Rating:
Information on the maximum permissible weight of the vehicle with all passengers and cargo.
Safety Features:
The manual covers the vehicle's restraint system, airbags, and related electronic control modules.
Active Safety Systems:
Information on ABS (Anti-lock Braking System), ESP (Electronic Stability Program), and other active safety aids integral to the vehicle's operation.
Tire Pressure Monitoring:
Details on the Tire Pressure Monitoring System (TPMS) and its associated components and diagnostics.
Passive Safety Systems:
Details on the structural integrity, crumple zones, seatbelt pretensioners, and head/thorax airbags.
Rollover Protection:
Details on the pop-up roll bars that deploy automatically in the event of a detected rollover.
Infotainment Systems:
While not a primary focus of a service manual, it may contain basic information on the COMAND (Cockpit Management and Navigation) system, audio systems, and climate control integration.
Driver Assistance Features:
Coverage of the complex electronic systems that manage ABS, ESP, cruise control, and potentially adaptive dampening systems.
Connectivity Systems:
Information pertaining to the vehicle's electronic architecture, CAN bus systems, and diagnostic port (OBD-II) functionality.
Routine Maintenance:
The manual will detail recommended service intervals for oil changes, filter replacements, fluid checks, and inspections based on Mercedes-Benz's Flexible Service System (FSS).
Brake Fluid Replacement:
Recommended replacement every 2 years, regardless of mileage.
Recommended Fluids:
Specific part numbers and types for engine oil (e.g., MB-Approval 229.5), transmission fluid (e.g., MB-Approval 236.10/236.14), brake fluid (DOT 4), coolant, power steering fluid, and differential oil.
Coolant Type:
Mercedes-Benz approved coolant (e.g., G48 or equivalent, typically a silicate-free mixture).
Engine Oil Specifications:
Specific API and ACEA ratings, along with Mercedes-Benz (MB) approvals for engine oil (e.g., MB 229.5 for synthetic oils).
Common Troubleshooting:
The troubleshooting section is invaluable for addressing common R230 issues, which could include ABC suspension problems, Vario-Roof hydraulic leaks, electronic module failures, and ignition coil issues.
Specific Component Failures:
Information on diagnosing and repairing issues related to the Active Body Control (ABC) suspension, which can be complex and costly if not maintained.
Vario Roof System Faults:
Troubleshooting guides for common malfunctions of the hydraulic system controlling the retractable hardtop, including pump, cylinders, and sensors.
Periodic Lubrication Points:
Guidance on greasing suspension components, door hinges, latches, and other points requiring regular lubrication.
Comprehensive Chart:
A detailed chart outlining scheduled maintenance tasks based on mileage and time intervals.
