Engine Mechanical:
Complete overhaul procedures, component testing, diagnostic charts, specifications.
Engine Electrical:
Ignition system, fuel injection system (ME 2.8), sensors, actuators, ECU diagnostics, wiring diagrams.
Transmission:
5-speed automatic transmission (722.6 variant), fluid service, torque converter, electronic control.
Drivetrain:
Front and rear drive axles, differentials, transfer case, driveshafts, CV joints.
Brakes:
Front and rear disc brakes, ABS (Anti-lock Braking System), ESP (Electronic Stability Program), brake fluid specifications, bleeding procedures.
Suspension:
Independent front suspension, independent rear suspension, shock absorbers, springs, control arms, bushings, alignment specifications.
Steering:
Power steering system, steering rack, power steering fluid, steering linkage.
Cooling System:
Radiator, water pump, thermostat, cooling fans, coolant specifications, capacity.
Fuel System:
Fuel pump, fuel filter, fuel injectors, fuel pressure regulator, evaporative emission control (EVAP).
Exhaust System:
Exhaust manifolds, catalytic converters, mufflers, O2 sensors.
Body Exterior:
Body panels, doors, hood, tailgate, bumpers, trim, glass, sunroof.
Body Interior:
Seating, dashboard, door panels, headliner, carpet, climate control vents.
HVAC System:
Air conditioning, heating, ventilation, blower motor, refrigerant, cabin air filter.
Electrical Systems:
Lighting (headlights, taillights, interior), power windows, power locks, mirrors, wipers, horn.
Safety Systems:
Airbags, seatbelts, SRS (Supplemental Restraint System) diagnostics.
Infotainment Audio:
Radio, CD player, navigation system (if equipped), speaker system.
Routine Maintenance:
Oil changes, filter replacements (oil, air, cabin), fluid checks and top-offs, tire rotations.
Troubleshooting Diagnostics:
Diagnostic trouble codes (DTCs), symptom-based troubleshooting, electrical system diagnostics.
Component Repair:
Detailed step-by-step repair instructions for all major vehicle systems.
Component Replacement:
Replacement procedures for engine parts, transmission components, suspension parts, brake assemblies, body panels, etc.
Wiring Diagrams:
Comprehensive electrical wiring schematics for all vehicle systems.
Torque Specifications:
Accurate torque values for all critical fasteners.
Special Tools:
Identification and usage of necessary special tools for specific repairs.
Scope:
Comprehensive, from basic maintenance to complete engine and transmission overhauls.
Diagnostic Capability:
Advanced diagnostic procedures, including OBD-II scanner usage and specific system analysis.
Rebuild Procedures:
Detailed instructions for rebuilding engine, transmission, and differentials.
Oil Change Interval:
Every 10,000 miles or 12 months, whichever comes first (with synthetic oil).
Transmission Fluid Service:
Recommended every 40,000 to 60,000 miles, or as per vehicle's specific service indicator.
Engine Air Filter:
Replace every 30,000 miles or as needed based on driving conditions.
Cabin Air Filter:
Replace every 15,000 to 20,000 miles or annually.
Spark Plugs:
Replace every 100,000 miles (platinum or iridium type recommended).
Brake Fluid Type:
DOT 4 (or DOT 4 Plus, MB-Approval 331.0)
Power Steering Fluid:
Mercedes-Benz Power Steering Fluid (or Pentosin CHF 11S)
Oil Leaks:
Valve cover gaskets, oil pan gaskets, and rear main seal can be prone to leaks over time.
Cooling System:
Plastic coolant reservoir can become brittle and crack; water pump seals may fail.
Electronic Modules:
Certain electronic control units (e.g., transmission control module) can experience failures.
Suspension Components:
Control arm bushings and ball joints can wear out, leading to steering looseness or clunks.
Exhaust Manifold:
Exhaust manifold studs can break, leading to exhaust leaks.
HVAC System:
Blend door actuators can fail, affecting temperature control.