Engine:
4.3L V8 M113 Engine (Engine Mechanical, Engine Cooling, Engine Lubrication, Fuel Delivery, Ignition System, Emissions Control)
Transmission:
5-Speed Automatic Transmission (722.6) - Operation, Diagnostics, Repair, Fluid Service
Drivetrain:
Rear Wheel Drive (RWD), Driveshaft, Differential, Axles
Suspension:
Front and Rear Suspension Systems (Struts, Springs, Control Arms, Bushings, Anti-Roll Bars)
Brakes:
Hydraulic Brake System (ABS, ESP), Brake Pad Replacement, Rotor Servicing, Bleeding Procedures
Steering:
Power Steering System, Steering Gear, Steering Column
Electrical:
12V Electrical System, Battery, Alternator, Starter, Fuse Box Diagrams, Lighting System, Horn
Body Electrical:
Power Windows, Power Locks, Convertible Top System (if applicable), Interior Lighting, Exterior Lighting
Climate Control:
Automatic Climate Control (A/C System, Heater Core, Blower Motor, Controls)
Body And Trim:
Exterior Body Panels, Interior Trim Components, Door Panels, Headliner, Bumpers
Convertible Top System:
Hydraulic and Electrical Components of the Power Convertible Top
Safety Systems:
Airbag System (SRS), Seatbelt Pretensioners, ABS, ESP
Diagnostics:
OBD-II (On-Board Diagnostics), Diagnostic Trouble Codes (DTCs), Scan Tool Procedures
Preventative Maintenance:
Oil Changes, Filter Replacements, Fluid Checks and Replacements, Spark Plug Replacement, Belt Inspection and Replacement
Troubleshooting:
Step-by-step diagnostic flowcharts for various symptoms (e.g., no-start, poor performance, electrical faults)
Engine Repair:
Engine Overhaul, Component Replacement (e.g., head gasket, pistons, valves), Timing System Service
Transmission Repair:
Transmission Disassembly and Reassembly, Valve Body Service, Torque Converter Replacement, Mechatronic Unit Service
Brake System Repair:
Brake Caliper Replacement, Rotor Machining or Replacement, ABS Modulator Service, Brake Line Replacement
Suspension And Steering Repair:
Component Replacement (shocks, struts, ball joints, tie rods), Wheel Alignment Specifications
Electrical System Diagnostics:
Wiring Harness Repair, Component Testing (sensors, actuators), Control Module Diagnosis
Climate Control Repair:
Refrigerant Servicing, Compressor Replacement, Condenser and Evaporator Service, Blower Motor Replacement
Convertible Top Mechanism Repair:
Hydraulic Pump and Cylinder Service, Sensor Replacement, Actuator Adjustment, Fabric Top Care
Body Repair:
Panel Replacement, Dent Repair, Door Hinge and Latch Adjustment, Trim Panel Installation
Special Tools:
Listing and usage of specialized tools required for specific repairs.
Depth:
Comprehensive - Covers basic maintenance to complete engine and transmission rebuilds.
Diagnostic Capabilities:
Advanced diagnostic procedures, including interpretation of sensor data and control module functions.
Wiring Diagrams:
Detailed electrical schematics for all major systems.
Torque Specifications:
Precise torque values for all critical fasteners.
Component Location:
Diagrams showing the location of all major components, sensors, and actuators.
Type:
5-Speed Automatic Transmission
Transmission Code:
722.6 (W5A 580)
Optional Transmission:
N/A for CLK430
Gear Ratios:
First: 3.59, Second: 2.19, Third: 1.41, Fourth: 1.00, Fifth: 0.83, Reverse: 3.17
Transmission Fluid Type:
MB 236.10 specification ATF (Automatic Transmission Fluid) - typically Dexron III/Mercon or equivalent compatible fluids are NOT recommended without verification of MB approval.
Transmission Fluid Capacity:
Approximately 7.5 - 8.0 liters (dry fill)
Differential Fluid:
API GL-5, SAE 75W-90 Synthetic Gear Oil
Differential Fluid Capacity:
Approximately 1.0 - 1.2 liters
NHTSA Front Impact:
4-Star Driver, 4-Star Passenger
IIHS Side Impact:
Good (for vehicles of similar design from the era)
IIHS Rear Impact:
Acceptable (for vehicles of similar design from the era)
Traction Control:
ASR (Anti-Slip Regulation) / Traction Control System (TCS)
Stability Control:
ESP (Electronic Stability Program)
Anti Lock Brakes:
ABS (Anti-lock Braking System), 4-wheel disc brakes
Airbags:
Driver and Front Passenger Airbags, Side Airbags (in seats), Roll-Over Protection (for convertible models)
Seatbelts:
Front 3-point Inertia-Reel Seatbelts with Pretensioners and Load Limiters, Rear 3-point Seatbelts
Head Restraints:
Active Head Restraints (NECK-PRO) for front occupants
Oil Change Interval:
Every 10,000 miles (16,000 km) or 12 months, whichever comes first, using approved synthetic oil.
Transmission Service Interval:
Recommended every 40,000 - 60,000 miles (64,000 - 96,000 km) for fluid and filter change, depending on driving conditions.
Coolant Service Interval:
First change at 100,000 miles (160,000 km) or 5 years, then every 2 years or 50,000 miles (80,000 km).
Spark Plug Replacement:
Approximately 100,000 miles (160,000 km) with iridium spark plugs.
Brake Fluid Service:
Every 2 years (24 months) regardless of mileage, to prevent moisture absorption.
Power Steering Fluid:
Mercedes-Benz Power Steering Fluid (MB 343.0) or equivalent.
Brake Fluid:
DOT 4 Plus (MB 331.0 specification) or DOT 4
Windshield Washer Fluid:
Approved washer fluid concentrate or plain water with approved additive.
Common Issues Engine:
Oil leaks from valve cover gaskets and oil cooler seals, potential for MAF sensor issues, catalytic converter failures.
Common Issues Transmission:
Transmission control module (TCM) failures, conductor plate issues within the valve body, 'limp mode' activation.
Common Issues Suspension Steering:
Worn control arm bushings, ball joints, and tie rod ends, power steering pump whine or leaks.
Common Issues Electrical:
Window regulator failures, SAM (Signal Acquisition Module) issues, blower motor resistor failure, CAN bus communication errors.
Common Issues Convertible Top:
Hydraulic hose leaks, pump failure, cylinder seal leaks, micro-switch failures affecting operation.