Engine Maintenance:
All engine systems, including overhaul, diagnostics, and tune-ups
Engine Control System:
ECU, sensors, actuators, fuel injection, ignition timing
Mechanical Components:
Engine mechanical, powertrain, chassis components
Fuel System:
Fuel delivery, injectors, pumps, lines, fuel tank service
Emission Control:
Catalytic converters, EGR, EVAP, emissions testing procedures
Cooling System:
Radiator, thermostat, water pump, coolant specifications
Lubrication System:
Oil pump, oil filter, oil specifications, oil pressure diagnostics
Ignition Starting Charging:
Spark plugs, coils, starter motor, alternator, battery diagnostics
Automatic Transmission:
Service, repair, diagnostics, fluid specifications, torque converter
Manual Transmission:
Service, repair, diagnostics, clutch operation (if applicable to specific models)
Drivetrain:
Transfer case, drive shafts, U-joints, propeller shafts
Axles And Differentials:
Front and rear axles, differential service, lubrication
Suspension System:
Front and rear suspension, struts, shocks, bushings, air suspension components
Wheels And Tires:
Tire pressure monitoring, wheel alignment, wheel bearing replacement
Brake Control System:
ABS, ESP, SBC (if applicable), brake booster, master cylinder
Brake System:
Brake pads, rotors, calipers, brake fluid specifications, bleeding procedures
Parking Brake:
Service, adjustment, electronic parking brake (if equipped)
Steering Column:
Tilt and telescopic adjustments, steering lock
Power Steering:
Hydraulic system, pump, rack and pinion, fluid types
Air Conditioning System:
Refrigerant, compressor, condenser, evaporator, climate control diagnostics
Supplemental Restraint System:
Airbag system, SRS module, seat belt pre-tensioners, crash sensor diagnostics
Seat Belts:
Service, replacement, pre-tensioner function
Engine Immobilizer:
System operation, key programming (advanced diagnostics may require specialized tools)
Cruise Control:
System operation, diagnostic troubleshooting
Wiper And Washer System:
Wiper motor, blades, washer pump, fluid reservoir
Door Lock System:
Central locking, power door locks, keyless entry system
Meter And Audio Visual:
Instrument cluster, gauges, infotainment system, speaker diagnostics
Horn System:
Horn operation, switch, wiring
Windshield Glass Mirror:
Windshield replacement, mirror adjustments, defroster systems
Instrument Panel:
Dash panel removal and installation, component access
Seats:
Seat adjustment mechanisms, heating, ventilation, power seat motors
Hood And Doors:
Hood latch, door hinges, seals, power liftgate (if applicable)
Exterior And Interior:
Body panel repair, trim removal, interior component installation
Electrical System:
Wiring diagrams, fuse box locations, relay identification, lighting systems
Multiplex Can Communication:
CAN bus system diagnostics, module communication
Maintenance Procedures:
Scheduled maintenance, oil changes, filter replacements, fluid checks
Diagnostic Procedures:
Troubleshooting guides, symptom-based diagnostics, DTC interpretation
Repair Procedures:
Step-by-step instructions for all major and minor repairs
Overhaul Procedures:
Complete engine and transmission rebuild procedures
Installation Procedures:
Component replacement and installation guidance
Depth Of Coverage:
Dealer-level comprehensive service and repair information
Visual Aids:
Detailed diagrams, illustrations, and wiring schematics
Accuracy:
Vehicle-specific, not generic repair information
Oil Change Interval:
Typically every 10,000 miles or 12 months, whichever comes first (check specific engine for exact recommendation)
Major Service Intervals:
Comprehensive inspections and component replacements at specific mileage intervals (e.g., 30k, 60k, 100k miles)
Engine Oil Spec Gasoline:
Mobil 1 Synthetic 0W-40 or equivalent (MB-Approval 229.5)
Engine Oil Spec Diesel:
Mobil 1 ESP Formula 5W-30 or equivalent (MB-Approval 229.51)
Transmission Fluid Type:
MB 236.14 Automatic Transmission Fluid
Coolant Type:
Mercedes-Benz Coolant/Antifreeze (Glysantin G48, blue/green)
Brake Fluid Type:
DOT 4 Plus (MB 331.0)
Common Issues Diesel:
DPF regeneration issues, EGR valve problems, glow plug failures, potential injector issues
Common Issues Gasoline:
Intake manifold runner failures (M272/M273), oil cooler leaks, potential balance shaft wear on early M272 engines (less common on M273)
Common Issues Chassis:
Air suspension leaks, control arm bushing wear, power steering leaks
