Systems Covered:
Engine, Transmission (Automatic & Manual), Drivetrain, Suspension, Steering, Brakes (ABS/ASR/ESP), Climate Control, Electrical System, Bodywork, Interior, Safety Systems (Airbags, Seatbelts), Diagnostics & Troubleshooting
Type:
Official Service and Repair Manual Software
Format:
Software (Likely PDF or proprietary executable)
Engine Mechanical:
Complete overhaul, timing chain, pistons, rings, crankshaft, cylinder head, valve train, lubrication system, cooling system, fuel injection, ignition system, emissions control.
Engine Management:
ECU diagnostics, sensor testing and replacement, ignition timing, fuel delivery control, emission component testing.
Transmission Automatic:
Component identification, hydraulic control, torque converter, electronic control module (ETC), shift solenoids, fluid and filter replacement, troubleshooting.
Transmission Manual:
Gearbox overhaul, clutch replacement, shift linkage, fluid specifications and replacement.
Drivetrain:
Front axle, rear axle, drive shafts, CV joints, differential service, wheel bearings.
Suspension:
Front and rear struts, shock absorbers, springs, control arms, ball joints, bushings, alignment procedures, specifications.
Steering:
Power steering system, steering rack, tie rods, steering column, alignment specifications.
Brakes:
Front and rear brake systems, disc brake components, caliper replacement, brake pad and rotor specifications, ABS/ASR/ESP system diagnosis and repair, hydraulic fluid specifications and bleeding procedures.
Electrical System:
Battery, charging system (alternator), starting system (starter motor), lighting (headlights, taillights, interior), fuses and relays, wiring diagrams, body control modules (BCM), instrument cluster.
Climate Control:
HVAC system operation, refrigerant handling, AC compressor, condenser, evaporator, blower motor, climate control module diagnostics.
Safety Systems:
Airbag system components and diagnosis, seatbelt operation, SRS module.
Bodywork:
Body panel removal and installation, door mechanisms, latches, hinges, exterior trim, glass replacement.
Interior:
Seat removal, dashboard disassembly, interior trim panels, headliner, door panels.
Maintenance:
Scheduled maintenance intervals, oil changes, filter replacements (oil, air, fuel, cabin), spark plug replacement, fluid checks and top-offs.
Repair:
Component removal and installation, system diagnostics, troubleshooting common faults, rebuilding procedures.
Troubleshooting:
Diagnostic trouble codes (DTCs), symptom-based troubleshooting guides, wiring diagrams for fault finding.
Special Tools:
Identification and use of Mercedes-Benz specific tools for various repair procedures.
Torque Specifications:
Detailed torque values for all critical fasteners.
Depth:
Comprehensive, covering from basic maintenance to complete engine and transmission overhauls. Includes detailed diagnostic procedures and component-level repairs.
Oil Change Interval:
Flexible Service System (ASSYST) - typically 10,000-15,000 miles or 1 year, whichever comes first.
Major Service Interval:
Variable (dependent on ASSYST indicators, often around 30,000-60,000 miles for spark plugs, filters, etc.)
Engine Oil:
MB Approval 229.5 (e.g., Mobil 1 0W-40, Castrol Edge 0W-40)
Transmission Fluid Auto:
MB Approval 236.10 or 236.12 (e.g., Pentosin ATF1, Fuchs Titan ATF 4000)
Transmission Fluid Manual:
MB Approval 235.10 or 235.12 (GL-4 or GL-5, depending on specific gearbox)
Coolant:
MB Approval 325.0 (Blue Ethylene Glycol based)
Brake Fluid:
DOT 4 Plus (MB Approval 331.0)
Common Problems:
Mass Airflow (MAF) sensor failure, ignition coil issues, oil leaks from valve cover gasket and oil cooler seals, catalytic converter failure, ABS/ESP sensor issues, SBC (Sensotronic Brake Control) system issues on some later models (though less common on 2003 C230), rust on wheel arches and sills.
Supercharger Related:
Supercharger clutch or pulley bearing failure, intercooler leaks leading to reduced performance.