Vehicle Segment:
Luxury Grand Tourer Coupe (4-door)
Target Audience:
Consumers seeking a blend of performance, luxury, and distinctive styling.
Key Competitors:
BMW 6 Series Gran Coupe (later models), Audi A7 (later models), Porsche Panamera (later models), Maserati Ghibli.
Design Philosophy:
Captures the essence of a coupe with the practicality of four doors, emphasizing sleek lines and a muscular stance.
Manual Value Proposition:
Provides factory-level diagnostic and repair information, enabling owners and independent shops to perform accurate maintenance and repairs.
Engine:
Complete diagnosis, repair, and overhaul of the M273 engine, including component testing and specifications.
Transmission:
Service and repair of the 7G-TRONIC automatic transmission (722.9), including fluid changes, valve body diagnostics, and electronic control unit (TCU) procedures.
Suspension:
Detailed procedures for the AIRMATIC semi-active air suspension system, including component replacement, pressure testing, and calibration.
Brakes:
Front and rear brake system service, including rotor and pad replacement, caliper repair, ABS, and ESP diagnostics.
Electrical System:
Comprehensive coverage of the vehicle's electrical architecture, including wiring diagrams, component testing, fuse box layouts, and diagnostic procedures for control modules.
Body And Chassis:
Body repair, door and panel alignment, exterior trim replacement, and chassis component servicing.
Comfort Systems:
HVAC system service, seat adjustment mechanisms, sunroof operation, and interior trim replacement.
Infotainment And Navigation:
Troubleshooting and repair of the COMAND APS system, telematics, and related audio components.
Maintenance:
Scheduled maintenance, fluid changes (engine oil, transmission fluid, brake fluid, coolant), filter replacements, and inspections.
Troubleshooting:
Diagnostic flowcharts, fault code interpretation, symptom-based troubleshooting for all major vehicle systems.
Repair:
Step-by-step repair instructions for virtually all mechanical and electrical components, including engine teardown, transmission overhaul, and component replacement.
Diagnostics:
Detailed guidance on using Mercedes-Benz diagnostic tools (e.g., STAR Diagnosis), interpreting live data, and performing actuator tests.
Calibration:
Procedures for calibrating sensors and control modules, such as steering angle sensors, ride height sensors, and transmission adaptations.
Technical Data:
Torque specifications, clearances, tolerances, fluid capacities, and other critical technical data for all procedures.
Depth Level:
Comprehensive factory-level detail, suitable for professional technicians and advanced DIY enthusiasts.
Diagrams Illustrations:
Abundant use of detailed diagrams, exploded views, and step-by-step illustrations for clarity.
NHTSA Front Impact:
Not specifically rated for this model generation, but generally high for Mercedes-Benz vehicles of this era.
IIHS Crash Test:
Not specifically rated for this model generation, but generally high for Mercedes-Benz vehicles of this era.
Electronic Stability Program:
Standard (ESP®)
Anti Lock Braking System:
Standard (ABS)
Traction Control:
Standard (ASR)
Airbags:
Front dual-stage airbags, front side airbags, front and rear side curtain airbags.
Seatbelts:
Pretensioning seatbelts with force limiters.
Infotainment System:
COMAND APS (Cockpit Management and Navigation)
Audio System:
Harman Kardon LOGIC 7 surround sound system (optional/standard depending on trim).
Adaptive Cruise Control:
Optional DISTRONIC PLUS
Parking Assistance:
Front and rear parking sensors (PARKTRONIC), optional rearview camera.
Connectivity Features:
Bluetooth interface for hands-free calling and audio streaming.
Headlights:
Bi-Xenon Headlights with Active Curve Illumination.
Oil Change Interval:
Typically every 10,000 miles (16,000 km) or 1 year, whichever comes first, under normal driving conditions (refer to manual for specific conditions).
Transmission Fluid Change Interval:
Often recommended at 40,000 - 60,000 miles (64,000 - 97,000 km) for the 7G-TRONIC.
Engine Oil Spec:
MB-Approval 229.5 (e.g., Mobil 1 0W-40, Castrol Syntec 0W-40)
Coolant Spec:
MB-Approval 325.0 (Blue Antifreeze)
Brake Fluid Spec:
DOT 4 Plus (MB-Approval 331.0)
Common Problem 1:
AIRMATIC suspension leaks (air struts, compressor, lines).
Common Problem 2:
Intake manifold runner flap failures (causing rough idle, check engine light).
Common Problem 3:
Electronic parking brake actuator issues.
Common Problem 4:
Camshaft position sensor failures.
Common Problem 5:
Harmonic balancer issues.
Brand History:
Mercedes-Benz, founded in 1926, is renowned for its pioneering engineering, luxury, and safety innovations in the automotive industry.
Cls Generation:
First Generation (C219) 2004-2011.
Cls550 Positioning:
Represents Mercedes-Benz's innovative 'four-door coupe' concept, blending the elegance of a coupe with the practicality of a sedan.
Manufacturing Location:
Sindelfingen, Germany
