Engine Mechanical:
Complete engine overhaul, internal components, timing, seals, gaskets
Engine Control System:
ECU diagnosis, sensor operation, actuators, fuel injection, ignition timing
Fuel System:
Fuel pump, injectors, lines, pressure regulator, evaporative emission control
Emission Control:
Catalytic converter, EGR system, secondary air injection, O2 sensors
Cooling System:
Radiator, water pump, thermostat, hoses, coolant specifications
Lubrication System:
Oil pump, oil filter, oil passages, oil specifications
Ignition Starting Charging:
Spark plugs, ignition coils, starter motor, alternator, battery
Automatic Transmission:
All automatic transmission models, internal components, valve body, torque converter, fluid service
Manual Transmission:
N/A (CL-Class typically automatic, but manual transmission section confirms coverage for other Merc models)
Drivetrain:
Drive shafts, propeller shafts, differentials, axles, CV joints
Suspension:
Front and rear suspension components, shock absorbers, struts, springs, control arms
Wheels And Tires:
Tire pressure, sizes, wheel specifications, balancing, alignment
Brake System:
Brake pads, rotors, calipers, hydraulic lines, ABS system, brake fluid specifications
Parking Brake:
Parking brake mechanism, cables, adjustment
Steering System:
Steering column, power steering pump, rack and pinion, steering linkage
Climate Control HVAC:
Air conditioning system, heater core, blower motor, climate control unit, refrigerant
Supplemental Restraint System:
Airbags, SRS control module, seatbelt pre-tensioners, diagnostic procedures
Seat Belts:
Seat belt mechanisms, adjustment, repair
Engine Immobilizer:
Immobilizer system operation and diagnosis
Cruise Control:
Cruise control system operation and repair
Wiper And Washer:
Wiper motor, linkages, washer pump, fluid reservoir
Door Lock System:
Power locks, central locking, keyless entry system
Instrument Panel And Gauges:
Instrument cluster, warning lights, gauge operation
Audio Visual System:
Stereo system, speakers, antenna, multimedia components
Horn:
Horn operation, wiring, horn button
Glass And Mirrors:
Windshield replacement, power mirrors, glass sealing
Body And Exterior:
Body panels, doors, hood, trunk, trim, paint codes
Interior Trim:
Seats, dashboard, door panels, headliner, carpeting
Electrical System:
Wiring diagrams, fuses, relays, power distribution, lighting
Multiplex Can Communication:
CAN bus network, diagnostic trouble codes related to network communication
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, inspections
Troubleshooting:
Diagnostic procedures for all systems, fault code interpretation
Repair:
Step-by-step repair instructions for all vehicle components
Diagnosis:
Detailed diagnostic trees and procedures for identifying issues
Rebuilding:
Comprehensive instructions for engine and transmission rebuilds
Adjustment:
Adjustment procedures for brakes, parking brake, door latches, etc.
Replacement:
Component replacement procedures for all major parts
Depth:
Factory-level detail, suitable for professional technicians and advanced DIYers
Content Type:
Step-by-step instructions, diagrams, illustrations, wiring schematics, specifications
Oil Change Interval:
Typically every 10,000 miles or 12 months, but refer to the specific manual for exact intervals based on driving conditions.
Major Service Intervals:
Major services at 30,000, 60,000, 90,000, etc., involving comprehensive checks and fluid changes (refer to manual for specifics).
Engine Oil Type:
Refer to manual for specific MB-Approval 229.1, 229.3, or 229.5 specifications (e.g., 0W-40, 5W-40, 5W-30 synthetic).
Transmission Fluid Type:
MB-Approval 236.10 or 236.12 ATF (Automatic Transmission Fluid), e.g., Pentosin ATF1 or equivalent.
Coolant Type:
MB-Approval 325.0 or 326.0 (Ethylene Glycol based).
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid.
Common Problems:
ABC (Active Body Control) suspension issues (struts, accumulators, pumps), ignition coil failures (M112/M113 V6/V8), transmission conductor plate failures, blower motor resistor issues, various electronic module failures, catalytic converter degradation.
Oil Filter Example:
e.g., Mann-Filter HU 721/4 x, Mahle OX 38
Air Filter Example:
e.g., Mann-Filter C 35 153/1