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            Manual Coverage
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            Systems Covered
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            Engine Mechanical:
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            All gasoline and diesel engine overhauls, component replacement, timing, diagnostics, emissions controls.
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            Transmission Mechanical:
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            Automatic Transmission (722.6 NAG1) and Manual Transmission (if applicable) overhaul, component replacement, fluid service, troubleshooting.
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            Drivetrain:
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            Front Axle, Rear Axle, Driveshafts, Differential, Wheel Bearings, CV Joints.
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            Brakes:
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            ABS, ESP, SBC (Sensotronic Brake Control - early models), Brake Calipers, Rotors, Lines, Fluid Service, Parking Brake.
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            Suspension Steering:
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            Front and Rear Suspension Systems, Shock Absorbers, Springs, Control Arms, Bushings, Power Steering System, Steering Rack, Tie Rods.
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            Electrical System:
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            12V Battery System, Alternator, Starter, Fuses, Relays, Wiring Diagrams, Lighting Systems, Power Accessories.
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            Body Interior:
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            Body Panels, Doors, Hood, Trunk, Bumpers, Seats, Dashboard, Trim, Headliner, Sunroof, Windows.
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            HVAC:
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            Climate Control System, A/C Compressor, Condenser, Evaporator, Heater Core, Blower Motor, Controls.
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            Comfort Controls:
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            Power Seats, Heated Seats, Memory Seats, Power Mirrors, Power Windows, Keyless Entry, Central Locking.
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            Diagnostics:
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            OBD-II Diagnosis, Diagnostic Trouble Codes (DTCs), Sensor Data Interpretation, Special Tools for Diagnosis.
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            Procedures Included
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            Scheduled Maintenance:
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            Oil Changes, Filter Replacements, Spark Plug Replacement, Coolant Service, Brake Fluid Service, Transmission Fluid Service, Air Filter Replacement.
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            Routine Repairs:
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            Component replacement (e.g., alternator, starter, water pump, fuel pump), belt replacement, hose replacement.
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            Engine Rebuilding:
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            Engine teardown, inspection, machining specifications, reassembly, torque specifications.
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            Transmission Overhaul:
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            Complete disassembly, part identification, reassembly of automatic and manual transmissions.
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            Brake System Service:
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            Brake pad and rotor replacement, caliper overhaul, bleeding procedure, SBC system calibration.
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            Suspension Component Replacement:
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            Strut/shock absorber replacement, control arm replacement, ball joint replacement, steering component replacement.
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            Electrical Component Diagnosis:
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            Troubleshooting of electrical faults, sensor testing, actuator testing, wiring harness repair.
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            Body Panel Alignment:
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            Door, hood, trunk alignment procedures, panel repair and replacement.
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            HVAC System Repair:
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            Refrigerant system servicing, component replacement, leak detection, control module diagnosis.
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            Troubleshooting Guides:
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            Systematic approaches to diagnosing common and complex problems with detailed symptom-to-cause mapping.
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            Technical Depth
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            Depth:
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            Comprehensive (A-Z), covering basic maintenance to complete overhauls and advanced diagnostics.
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            Diagnostic Capabilities:
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            Detailed guidance on using diagnostic scanners, interpreting live data, and performing actuator tests.
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            Wiring Diagrams:
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            Full electrical schematics for all major systems, including component location and connector pinouts.
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            Torque Specifications:
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            Precise torque values for all critical fasteners across all vehicle systems.
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            Specifications Tolerances:
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            Detailed dimensional specifications and wear tolerances for engine, transmission, and suspension components.
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            Special Tool Requirements:
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            Identification and use of specialized tools required for specific repair and diagnostic procedures.
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            Maintenance
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            Service Intervals
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            Oil Change Interval:
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            Typically 10,000 miles (16,000 km) or 1 year, whichever comes first (flexible service system, confirm with vehicle display).
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            Transmission Fluid Service:
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            Recommended every 60,000 miles (100,000 km) for automatic transmissions (fluid and filter change).
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            Brake Fluid Service:
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            Every 2 years.
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            Fluid Specifications
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            Engine Oil Type:
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            MB 229.5 or MB 229.51 (synthetic, specific viscosity depends on engine, e.g., 0W-40, 5W-40).
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            Coolant Type:
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            MB 325.0 / 326.0 (Antifreeze/Coolant).
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            Known Issues
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            Common W211 Problems:
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            SBC system failure (early models), Oil cooler leaks, Balance shaft gear failure (M272/M273), MAF sensor issues, Window regulator failures, Sunroof drain blockages, Heater control valve leaks, SRS module errors.
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            Recommended Preventative Maintenance:
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            Regularly check and replace breather hoses, inspect oil seals, and service the cooling system thoroughly.
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