Engine Mechanical:
Complete overhaul, component testing, timing, seals, gaskets
Engine Electrical:
Ignition system, fuel injection, sensors, ECU diagnostics, wiring diagrams
Supercharger System:
Supercharger assembly, intercooler, boost pressure management, drive belt
Transmission Automatic:
5G-TRONIC (722.6), hydraulic control, electronic control unit, fluid service, solenoids
Drivetrain:
Driveshafts, differentials, axles, wheel bearings
Suspension:
AIRMATIC semi-active suspension, components, calibration, diagnostics
Steering:
Hydraulic power steering, steering rack, pump, tie rods
Brakes:
Front multi-piston calipers, rear floating calipers, ABS, ESP, brake fluid service
Cooling System:
Radiator, water pump, thermostat, coolant hoses, fan clutch
Fuel System:
Fuel pump, injectors, fuel pressure regulator, EVAP system
Exhaust System:
Catalytic converters, mufflers, exhaust manifold, O2 sensors
HVAC System:
Climate control, A/C compressor, refrigerant, blower motor, cabin filter
Body Exterior:
Body panels, doors, hood, trunk, bumpers, trim
Body Interior:
Seats, dashboard, trim panels, headliner, carpeting
Electrical Systems General:
Lighting, power accessories, central locking, alarm system
Diagnostics:
OBD-II, proprietary Mercedes-Benz diagnostic codes (DTCs), troubleshooting flowcharts
Scheduled Maintenance:
Oil changes, filter replacements, fluid checks, spark plug replacement
Engine Repair:
Cylinder head removal/installation, piston and connecting rod service, crankshaft inspection
Transmission Service:
Fluid and filter change, valve body inspection, torque converter replacement
Brake Service:
Pad and rotor replacement, caliper service, bleeding procedure
Suspension Repair:
Shock absorber/strut replacement, control arm service, AIRMATIC component replacement
Electrical Component Replacement:
Alternator, starter motor, battery, sensors, control modules
Troubleshooting Guides:
Step-by-step diagnostic procedures for common and uncommon faults
Torque Specifications:
Precise torque values for all critical fasteners
Special Tools:
Identification and usage of Mercedes-Benz specific tools
Bodywork Repair:
Panel alignment, rust repair, glass replacement
Depth:
Expert/Professional Level
Diagnostic Capability:
Detailed diagnostic procedures, scan tool interpretation, sensor data analysis
Rebuild Procedures:
Complete engine and transmission rebuild instructions
Wiring Diagrams:
Comprehensive and color-coded electrical schematics for all systems
Oil Change Interval:
Every 10,000 miles or 12 months (whichever comes first, consult manual for specific conditions)
Major Service Interval:
Refer to Service A, B, C, D intervals (e.g., 30,000 miles, 60,000 miles)
Transmission Fluid Service:
Every 40,000 to 60,000 miles (or as indicated by transmission fluid level indicator)
Spark Plug Replacement:
Refer to manual, typically around 60,000-100,000 miles depending on plug type
Coolant:
MB 325.0 / 326.0 (Antifreeze/Coolant)
Brake Fluid:
DOT 4 Plus (MB 331.0)
Power Steering Fluid:
MB 236.3 (Hydraulic Fluid)
Oil Cooler Seals:
Potential for leaks due to aging seals
Supercharger Pulley:
Bearing wear or failure in the supercharger pulley
Airmatic Suspension:
Strut leaks, compressor failure, sensor issues
Sam Module Failure:
Signal acquisition module (front and rear) can be prone to water intrusion and failure
Transmission Conductor Plate:
Failure of the conductor plate in the 722.6 transmission can cause shifting issues