Engine Mechanical:
Engine assembly, cylinder head, camshafts, crankshaft, pistons, connecting rods, lubrication system, cooling system, fuel system, ignition system
Engine Electrical:
Engine control module (ECM), sensors, actuators, ignition coils, fuel injectors, starting and charging system
Transmission Automatic:
722.6 NAG (7G-TRONIC) transmission: diagnosis, repair, fluid and filter service, control module
Drivetrain:
Driveshafts, axles, differential, wheel bearings
Suspension:
Front and rear suspension components, shock absorbers, springs, control arms, ball joints, sway bars
Steering:
Power steering system, steering rack, tie rods, steering column
Brakes:
Brake system diagnostics, ABS, ESP, brake calipers, rotors, pads, brake fluid service, parking brake
Electrical System:
Body control module (BCM), lighting systems (headlights, taillights, interior), power windows, mirrors, locks, wipers, horn
Climate Control:
HVAC system, A/C compressor, evaporator, condenser, blower motor, climate control module, refrigerant service
Infotainment:
Audio system, COMAND system (if equipped), navigation, Bluetooth, speaker replacement
Safety Systems:
Airbag system (SRS), seat belts, occupant classification system
Body And Interior:
Body panels, doors, hood, trunk, bumpers, interior trim, seats, dashboard
Exhaust System:
Exhaust manifold, catalytic converter, mufflers, oxygen sensors, exhaust hangers.
Maintenance:
Oil change, filter replacement, fluid checks and top-offs, spark plug replacement, air filter replacement, cabin filter replacement
Diagnostics:
Troubleshooting guides, fault code interpretation, diagnostic procedures for all major systems
Repair And Overhaul:
Step-by-step instructions for component removal, installation, and repair (e.g., engine rebuild, transmission overhaul, brake caliper replacement)
Electrical Troubleshooting:
Wiring diagrams, component testing, troubleshooting electrical faults
Alignment:
Wheel alignment specifications and procedures
Replacement:
Component replacement procedures (e.g., belts, hoses, sensors, lamps, battery)
Troubleshooting Schematics:
Detailed diagnostic flowcharts and troubleshooting trees for common and complex issues, electrical schematics with component locations.
Depth:
Comprehensive: From basic maintenance and diagnostics to complete engine and transmission rebuilds, including detailed electrical schematics.
Special Tools:
Lists and diagrams of specialized tools required for specific repairs, such as engine timing tools, transmission special tools, and diagnostic equipment.
Specifications:
Tire pressure recommendations, wheel bolt torque specifications, wheel/tire size compatibility.
Procedures:
Door panel removal, bumper replacement, headlight/taillight replacement, interior upholstery repair.
Oil Change Interval:
Typically every 10,000 miles or 12 months, whichever comes first (dependent on driving conditions and oil type, consult manual for specific service codes).
Major Service A:
Based on Flexible Service System (FSS), typically around 15,000-20,000 miles (Service A).
Major Service B:
Based on Flexible Service System (FSS), typically around 25,000-30,000 miles (Service B).
Engine Oil Type:
MB 229.5 or MB 229.51 (e.g., Mobil 1 0W-40 Synthetic)
Coolant Type:
MB Specification 325.0 or 326.0 (Antifreeze/Coolant)
Brake Fluid Type:
DOT 4 Plus (MB Specification 331.0)
Engine M272 Issues:
Timing chain tensioner wear, balance shaft sprocket wear (potential for premature timing chain wear/failure if not addressed). Coolant leaks from M272 intake manifold or valley pan.
Transmission 722.6 Issues:
Conductor plate failure leading to shifting issues. Torque converter seal leaks.
Suspension Issues:
Front control arm bushings, ball joints, and strut mount wear.
