Target Audience:
Professional mechanics, DIY enthusiasts, Mercedes-Benz owners.
Advantage Over Paper:
Cost-effective alternative to expensive factory paper manuals, on-demand printing of necessary pages.
Content Organization:
Divided into over 75 separate PDF sections for easy navigation and targeted access.
Usability:
Enables owners to understand repairs, avoid overcharging, and perform minor tasks themselves.
Engine System Details:
Engine teardown, assembly, timing, lubrication, cooling, fuel injection (Bosch Motronic M2.8.3), ignition, emissions controls, diagnostics, specifications.
Transmission System Details:
Automatic transmission (5G-TRONIC 722.6) overhaul, diagnostics, fluid service, electronic control unit (TCU) information.
Drivetrain System Details:
Front and rear axle components, driveshafts, universal joints, differential service.
Suspension System Details:
Front and rear suspension components, struts, shock absorbers, control arms, springs, bushings, alignment procedures, specifications.
Steering System Details:
Power steering system, steering gear, linkage, pump, fluid specifications, troubleshooting.
Brake System Details:
Front and rear disc brakes, ABS (Anti-lock Braking System) components and diagnostics, brake fluid specifications, service procedures.
Electrical System Details:
Complete wiring diagrams, starter, alternator, battery service, lighting, fuses, relays, body control modules (BCM), comfort systems (e.g., power windows, seats).
Body And Chassis Details:
Body panel removal/installation, door mechanisms, exterior trim, interior components, chassis lubrication, rust prevention.
HVAC System Details:
Air conditioning system, heating system, climate control unit operation and service, refrigerant specifications.
Maintenance Procedures:
Oil and filter changes, air filter replacement, spark plug replacement, coolant flushes, brake fluid changes, belt inspections and replacements.
Repair Procedures:
Engine rebuilds, transmission overhaul, suspension component replacement, brake caliper service, electrical component troubleshooting and replacement, body panel repairs.
Troubleshooting Guides:
Diagnostic flowcharts and symptom-based troubleshooting for common issues.
Wiring Schematics:
Detailed wiring diagrams for all major vehicle systems.
Part Layouts:
Exploded views of components for easy identification and assembly/disassembly.
Depth Level:
Comprehensive (from basic maintenance to complex component overhaul and diagnostics)
Diagnostic Tools References:
References to specialized Mercedes-Benz diagnostic tools and procedures where applicable.
NHTSA Driver Frontal Est:
5-Star (where applicable for the era)
NHTSA Passenger Frontal Est:
5-Star (where applicable for the era)
ABS:
Standard Anti-lock Braking System (ABS)
Traction Control:
Standard Acceleration Slip Regulation (ASR)
Airbags:
Driver and front passenger airbags
Seatbelts:
Three-point inertia-reel seat belts with pretensioners
Oil Change Interval:
Typically every 7,500 to 10,000 miles, or annually, depending on driving conditions (refer to manual for specifics).
Transmission Fluid Interval:
Recommended at 30,000-40,000 miles for optimal performance and longevity of the 722.6 transmission.
Coolant Flush Interval:
Every 2-3 years or 30,000-40,000 miles.
Engine Oil Specification:
MB 229.1 or 229.3 approved synthetic oil (e.g., 5W-40 or 10W-40 depending on climate).
Transmission Fluid Specification:
MB 236.10 or MB 236.12 approved ATF (Automatic Transmission Fluid) for 722.6 transmission.
Coolant Specification:
Mercedes-Benz approved Antifreeze/Coolant (e.g., G48).
Brake Fluid Specification:
DOT 4.
Common Issues Engine:
Head gasket leaks (less common on M104 than M111), oil leaks from valve cover gasket, MAF sensor failures, OVP relay failures.
Common Issues Transmission:
Conductor plate failure in the 722.6 transmission leading to shift issues or no gear engagement; K1 clutch wear.
Common Issues Suspension:
Worn ball joints, control arm bushings, sagging front springs.
Common Issues Electrical:
Window regulator failures, HVAC blower motor resistor failures, climate control panel issues, ABS wheel speed sensor failures.
Common Issues Body:
Corrosion in rear wheel well areas and around sunroof.