Engine:
Detailed diagnostics, maintenance, repair, and overhaul for all engine variants (e.g., M272 V6, M273 V8, OM642 Diesel).
Control System:
Engine control module (ECM), transmission control module (TCM), body control module (BCM), and other electronic control units (ECUs) diagnostics and calibration.
Mechanical:
Comprehensive mechanical repairs, including engine components, chassis, suspension, and drivetrain.
Fuel Service Specifications:
Fuel system components, fuel pressure, injector testing, and related specifications.
Emission Control:
Catalytic converters, oxygen sensors, EVAP system, and emission control component diagnostics and replacement.
Intake Exhaust Cooling:
Cooling system components (radiator, water pump, thermostat), air intake system, and exhaust system service.
Lube:
Lubrication system maintenance, oil change procedures, and fluid specifications.
Ignition Starting Charging:
Ignition system components (spark plugs, coils), starter motor, alternator, battery diagnostics, and charging system.
Auto Transmission:
Detailed service and repair for Mercedes-Benz 7G-TRONIC automatic transmissions (e.g., 722.9).
Manual Transmission:
Coverage for any manual transmission variants if equipped (less common for W164).
Transfer Propeller Shaft:
Service and repair of the transfer case and propeller shafts, particularly for 4MATIC models.
Drive Shaft:
Front and rear drive shaft service, including CV joints and U-joints.
Differential:
Front and rear differential service, fluid specifications, and bearing checks.
Axle Suspension:
Front and rear suspension systems, including components like control arms, ball joints, struts, shocks, and springs.
Tire Wheel:
Wheel alignment specifications, tire pressure monitoring system (TPMS), and wheel bearing service.
Brake Control:
ABS (Anti-lock Braking System), ESP (Electronic Stability Program), and brake assist system diagnostics.
Brake:
Front and rear brake system service, including pad and rotor replacement, caliper overhaul, and brake fluid flush.
Parking Brake:
Parking brake system service, adjustment, and component replacement.
Steering Column:
Steering column components, tilt and telescopic adjustment, and related electrical connections.
Power Steering:
Power steering system service, fluid replacement, pump and rack diagnostics.
Air Condition:
HVAC (Heating, Ventilation, and Air Conditioning) system service, component replacement (compressor, evaporator), and refrigerant handling.
Supplemental Restraint System:
Airbag system diagnostics, sensor replacement, and SRS module recalibration.
Seat Belt:
Seat belt pre-tensioner service and replacement.
Engine Immobilizer:
Immobilizer system diagnostics and key programming procedures.
Cruise Control:
Cruise control system diagnostics and component testing.
Wiper Washer:
Wiper motor, washer pump, and linkage service.
Door Lock:
Door lock actuator, central locking system, and keyless entry diagnostics.
Meter Audio Visual:
Instrument cluster repair, audio system troubleshooting, and infotainment system service.
Horn:
Horn circuit diagnostics and component replacement.
Windshield Glass Mirror:
Windshield replacement procedures, glass calibration, and mirror adjustments.
Instrument Panel:
Instrument cluster removal, repair, and calibration.
Seat:
Seat adjustment mechanisms, power seat diagnostics, and heating/ventilation components.
Engine Hood Door:
Hood latch, hinges, and door hinge service.
Exterior Interior:
Body panel repair, trim replacement, and interior component service.
Electrical:
Extensive coverage of the vehicle's entire electrical system, including wiring diagrams and component testing.
Multiplex Can Communication:
Diagnostics and troubleshooting of CAN (Controller Area Network) bus communication and multiplex systems.
Maintenance:
Routine maintenance procedures, fluid changes, filter replacements, and inspection schedules.
Diagnostics:
Step-by-step diagnostic procedures for troubleshooting common and complex issues, including symptom-based troubleshooting.
Repair:
Complete repair procedures for all vehicle systems, from minor adjustments to major component overhauls.
Installation:
Procedures for replacing and installing various components and systems.
Technical Data Extraction:
Access to essential technical data, specifications, torque values, and tolerances.
Depth Of Information:
Factory-level detail, equivalent to what authorized Mercedes-Benz technicians use, covering basic maintenance to advanced system diagnostics and complete rebuilds.
Oil Change Interval:
Typically every 10,000 miles or 12 months, depending on driving conditions and oil type (refer to manual for specific engine/oil recommendations).
Major Service Milestones:
Key service points include spark plug replacement (around 100,000 miles), transmission service, coolant flush, and accessory belt replacement.
Engine Oil Specification:
MB 229.5 or MB 229.51 synthetic oil (specific viscosity depends on engine and climate, e.g., 0W-40, 5W-40, 0W-30).
Transmission Fluid Specification:
MB 236.12 or MB 236.14 for 7G-TRONIC transmissions (specific fluid type is critical).
Coolant Specification:
Mercedes-Benz approved coolant concentrate (e.g., G48) mixed with distilled water.
Common W164 Issues:
Examples include: balance shaft issues in early M272 engines, oil leaks from the M272/M273 valve covers and intake manifolds, diesel particulate filter (DPF) issues in OM642 engines, and potential issues with the 7G-TRONIC transmission conductor plate and solenoids.
