Engine Mechanical:
        
        
            Engine assembly, disassembly, cylinder head, crankshaft, pistons, connecting rods, lubrication system, cooling system, fuel injection (ME 2.0/2.1), ignition system, emission control
        
     
    
        
            Engine Management:
        
        
            Engine control unit (ECU) diagnosis and testing, sensor and actuator function, diagnostic trouble codes (DTCs)
        
     
    
        
            Transmission Manual:
        
        
            Service and repair procedures for manual transmissions (if applicable for the specific model variant covered by the manual)
        
     
    
        
            Transmission Automatic:
        
        
            Service and repair procedures for automatic transmissions (e.g., 722.6 NAG1 five-speed automatic)
        
     
    
        
            Drivetrain:
        
        
            Clutch, drive shafts, rear axle, differential
        
     
    
        
            Suspension:
        
        
            Front and rear suspension components, shock absorbers, springs, control arms, bushings, wheel alignment specifications
        
     
    
        
            Steering:
        
        
            Power steering system, steering rack, steering column, tie rods
        
     
    
        
            Brakes:
        
        
            Front and rear brake systems, ABS (Anti-lock Braking System), ESP (Electronic Stability Program), brake pad and rotor replacement, brake fluid specifications and bleeding procedures
        
     
    
        
            Electrical System:
        
        
            Battery, alternator, starter motor, lighting system, fuses, relays, wiring diagrams, diagnostic connectors
        
     
    
        
            Body Structure:
        
        
            Body panel removal and installation, chassis repair, corrosion protection
        
     
    
        
            Body Exterior:
        
        
            Bumpers, fenders, hood, trunk lid, doors, mirrors, convertible top mechanism (Vario-Roof)
        
     
    
        
            Body Interior:
        
        
            Dashboard, seats, door panels, headliner, carpeting, climate control system (HVAC), interior trim
        
     
    
        
            Convertible Top:
        
        
            Vario-Roof hydraulic and electrical system operation, diagnosis, and repair
        
     
    
        
            HVAC:
        
        
            Air conditioning system, heater core, blower motor, controls, refrigerant R134a specifications
        
     
    
        
            Safety Systems:
        
        
            Airbag system (SRS), seatbelt operation and diagnosis
        
     
    
    
        
            Scheduled Maintenance:
        
        
            Detailed maintenance schedules and procedures for A, B, and C services
        
     
    
        
            Engine Repair:
        
        
            Engine overhaul, gasket replacement, timing chain inspection and service
        
     
    
        
            Transmission Repair:
        
        
            Transmission fluid and filter changes, internal component repair, torque converter replacement
        
     
    
        
            Brake Service:
        
        
            Brake pad and rotor replacement, caliper service, brake line replacement, ABS component testing
        
     
    
        
            Suspension Service:
        
        
            Shock absorber replacement, spring replacement, control arm bushing replacement, wheel bearing service
        
     
    
        
            Electrical Diagnostics:
        
        
            Troubleshooting common electrical faults, component testing, wiring harness repair
        
     
    
        
            Convertible Top Repair:
        
        
            Hydraulic cylinder leaks, pump replacement, sensor troubleshooting, linkage adjustments
        
     
    
        
            Diagnostic Troubleshooting:
        
        
            Step-by-step troubleshooting guides for common symptoms and fault codes
        
     
    
        
            Fluid And Lubricant Recommendations:
        
        
            Specific Mercedes-Benz approved fluid types and specifications for engine oil, transmission fluid, brake fluid, coolant, etc.
        
     
    
        
            Torque Specifications:
        
        
            Essential torque values for critical fasteners across all systems
        
     
    
    
        
            Depth:
        
        
            Comprehensive from basic maintenance to complex component overhauls and diagnostics
        
     
    
        
            Diagnostics:
        
        
            Advanced diagnostic procedures using specialized tools (e.g., STAR Diagnosis concepts) and symptom-based troubleshooting
        
     
    
        
            Wiring Diagrams:
        
        
            Detailed electrical wiring diagrams for all vehicle systems
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Typically every 10,000 miles (16,000 km) or 12 months, whichever comes first (check specific model year recommendations)
        
     
    
        
            Major Service A:
        
        
            Scheduled at approx. 10,000 miles (16,000 km) - includes oil and filter change, checks.
        
     
    
        
            Major Service B:
        
        
            Scheduled at approx. 20,000 miles (32,000 km) - includes A service plus cabin filter, brake inspection, etc.
        
     
    
        
            Major Service C:
        
        
            Scheduled at approx. 30,000 miles (48,000 km) - includes B service plus spark plugs, drive belts, etc.
        
     
    
    
        
            Engine Oil Specification:
        
        
            MB 229.1 or MB 229.3 (e.g., Mobil 1 0W-40, Castrol Syntec 5W-40)
        
     
    
        
            Engine Oil Capacity:
        
        
            Approx. 5.8 US quarts (5.5 liters) with filter change
        
     
    
        
            Coolant Specification:
        
        
            MB 325.0 (Glycol-based antifreeze/summer coolant) mixed with distilled water
        
     
    
        
            Coolant Capacity:
        
        
            Approx. 7.4 US quarts (7.0 liters)
        
     
    
        
            Brake Fluid Specification:
        
        
            DOT 4 (MB 331.0)
        
     
    
    
        
            Varnished O-Rings:
        
        
            Known issue with O-rings in the intake manifold or oil cooler seals degrading, leading to oil leaks or vacuum leaks.
        
     
    
        
            Vario Roof Actuators:
        
        
            Hydraulic leaks from Vario-Roof cylinders or pump failure, leading to the top not operating correctly.
        
     
    
        
            Mass Air Flow Sensor:
        
        
            Potential for MAF sensor failure leading to rough idle or poor performance.
        
     
    
        
            Rust On Fender Lips:
        
        
            Some models can develop rust on the rear fender lips due to road debris and salt exposure.
        
     
    
        
            Window Regulator Failure:
        
        
            Instances of window regulator failure or binding.