Vehicle Segment:
Full-size Luxury Coupe (Grand Tourer).
Target Audience:
Owners seeking in-depth understanding and self-maintenance capabilities for their premium Mercedes-Benz vehicle.
Competitors 2004:
BMW 6 Series, Lexus SC 430, Jaguar XK Series.
Vehicle Key Features:
Powerful V8 engine, Active Body Control suspension, luxurious interior, advanced safety features.
Manual Value Proposition:
Official, authorized manual providing dealer-level diagnostic and repair information.
Engine Mechanical:
Detailed diagnostics, overhaul, repair procedures for M113.960 V8 engine.
Engine Electrical:
ECU diagnostics, sensor testing, ignition system, fuel injection system.
Transmission:
722.6xx Automatic Transmission: diagnostics, repair, fluid service, control module.
Suspension:
ABC (Active Body Control) system: diagnostics, component replacement, fluid service, calibration.
Brakes:
Hydraulic and electronic brake system (ABS/ESP), component testing, bleeding procedures.
Steering:
Hydraulic power steering system, steering column components.
Climate Control:
Automatic climate control system (THERMATIC/THERMOTRONIC), HVAC diagnostics, refrigerant service.
Electrical Systems:
CAN bus diagnostics, body control modules (BCM), lighting, power windows, seats, mirrors.
Body And Interior:
Panel removal/installation, door mechanisms, interior trim, convertible top (if applicable).
Comfort Systems:
Power seats, seat memory, heated/ventilated seats, sunroof operation, keyless-go.
Infotainment:
COMAND system diagnostics, radio, navigation, speaker system.
Maintenance:
Scheduled maintenance intervals, fluid changes (oil, coolant, brake, transmission, ABC), filter replacements.
Troubleshooting:
Diagnostic trouble codes (DTCs), symptom-based troubleshooting guides.
Repair:
Step-by-step repair procedures for all major vehicle systems.
Component Replacement:
Detailed instructions for replacing common wear items and major components.
Diagnostics:
Utilizing OBD-II scanners, Mercedes-Benz proprietary diagnostic tools (STAR DIAGNOSIS reference).
Wiring Diagrams:
Complete electrical wiring schematics for all systems.
Depth Level:
Comprehensive: from basic fluid checks and filter replacements to full engine and transmission rebuilds, and advanced electronic diagnostics.
Transmission Type:
5-Speed Automatic (722.6xx)
Gear Ratios:
Refer to specific transmission variant within manual.
Transmission Features:
Touchshift manual shifting, Comfort and Sport modes.
Transmission Fluid Type:
MB Spec 236.12 (ATF 134)
Transmission Fluid Capacity Liters:
Approx. 7.5-8.5 (dry fill, varies)
NHTSA Front Impact:
Not specifically rated for 2004 model year Coupe by NHTSA in the same way sedans were.
IIHS Front Impact:
Good (for 2003 model year, comparable for 2004).
Active Safety Systems:
ABS (Anti-lock Braking System), ESP (Electronic Stability Program), Brake Assist (BAS), Traction Control (ASR).
Passive Safety Features:
Dual front airbags, front side airbags, curtain airbags (front and rear), seatbelt pretensioners, active head restraints (NECK-PRO).
Chassis Safety:
High-strength steel body structure.
Infotainment System:
COMAND 2.5 (Cockpit Management and Navigation) with integrated CD player, radio, and optional navigation.
Audio System:
Bose premium sound system with amplifier.
Driver Assistance Features:
PARKTRONIC parking assist, DISTRONIC adaptive cruise control (optional).
Connectivity Features:
Tele Aid emergency calling system, optional integrated cellular phone.
Convenience Features:
Keyless-Go (proximity key entry and start), soft-close doors, power trunk closer.
Oil Change Interval Miles:
10,000 miles or 12 months, whichever comes first (synthetic oil).
Major Service Interval Miles:
30,000/60,000 miles (refer to manual for detailed service 'A' and 'B' schedules).
Engine Oil Type:
MB Spec 229.5 (SAE 0W-40 or 5W-40 Synthetic)
Engine Oil Capacity Liters:
8.5
Coolant Type:
MB Spec 325.0 / 326.0 (Ethylene Glycol based, blue color)
Brake Fluid Type:
DOT 4 Plus (MB Spec 331.0)
Power Steering Fluid Type:
MB Spec 343.0 (Hydraulic Fluid)
Common Issues:
ABC suspension hydraulic leaks/failures (struts, accumulators), EIS (Electronic Ignition Switch) failure, SAM module issues, catalytic converter failure, oil cooler seal leaks, transmission conductor plate issues.
