Segment:
Full-size Luxury Coupe
Target Audience:
Affluent consumers seeking premium styling, advanced technology, comfort, and performance in a personal luxury vehicle.
Key Competitors:
BMW 6 Series, Audi A7 (later models), Porsche Panamera (later models), Lexus LS Coupe (though less direct).
Styling:
Elegant, pillarless coupe design, prominent Mercedes-Benz grille, flowing lines, sophisticated presence.
Technology:
Advanced COMAND infotainment system, optional driver assistance systems (e.g., DISTRONIC PLUS), bi-xenon headlamps, advanced climate control.
Comfort:
Luxurious interior appointments, premium leather, wood trim, multi-contour seats, excellent ride quality, advanced sound insulation.
General Coverage:
Introduction, Instrument Cluster, Entertainment Systems, Climate Controls, Lights, Driver Controls, Locks and Security, Seating and Safety Restraints, Driving, Customer Assistance, Reporting Safety Defects (U.S. only), Cleaning, Maintenance and Specifications, Engine Compartment, Engine Oil, Battery, Fuel Information, Air Filter(s), Part Numbers, Refill Capacities, Lubricant Specifications, Accessories, Service Information and Specifications, Maintenance Information and Specifications.
Estimated Page Count:
Approximately 350-450 pages (typical for this model year and class of vehicle).
Type:
Factory Owner's Manual
Powertrain:
Engine operation, fuel system, cooling system, lubrication system, ignition system, exhaust system.
Chassis:
Braking system (ABS, ESP), suspension system (Active Body Control - ABC, if equipped), steering system.
Electrical:
Lighting systems (headlights, taillights, interior), power accessories, instrument cluster functions, warning lamps, battery, fuses, basic diagnostic indicators.
Comfort And Convenience:
Climate control (THERMOTRONIC), power seats, windows, mirrors, door locks, keyless entry, central locking, sunroof operation, interior lighting, COMAND infotainment system.
Safety Restraints:
Airbags (SRS), seat belts, ISOFIX/child seat anchoring points, active safety systems (if applicable to owner's manual scope).
Routine Maintenance:
Checking fluid levels (oil, coolant, brake fluid, windshield washer fluid), tire pressure checks, wiper blade replacement, bulb replacement, cabin air filter replacement.
Driving Operations:
Starting and stopping the engine, gear selection (P, R, N, D, M), parking, operating lights, wipers, infotainment, climate control, cruise control, speed limiter.
Safety Features Operation:
Understanding warning lamps, proper use of seat belts and airbags, child seat installation guidance.
Troubleshooting:
Basic troubleshooting steps for common dashboard warning lights, minor operational issues.
Depth:
Comprehensive owner-level information for daily operation, basic maintenance, and understanding vehicle features. Does not include detailed diagnostic procedures or component-level repair instructions found in a service manual.
Engine Type:
Naturally Aspirated V8
Displacement:
4.966 L (303 cubic inches)
Bore X Stroke:
98.0 mm x 82.7 mm
Compression Ratio:
10.7:1
Valvetrain:
DOHC, 4 valves per cylinder, Variable Valve Timing (VVT)
Horsepower:
382 hp @ 6000 rpm
Torque:
391 lb-ft @ 2800-4800 rpm
Fuel Delivery:
Sequential Multi-Port Fuel Injection (SFI)
Fuel Type:
Premium Unleaded Gasoline (91 octane or higher recommended)
Transmission Type:
7-speed Automatic with Touchshift
Drive Type:
Rear-Wheel Drive (RWD)
Gear Ratios:
1st: 4.38, 2nd: 2.86, 3rd: 1.93, 4th: 1.37, 5th: 1.00, 6th: 0.82, 7th: 0.73, Reverse: 3.41
Transmission Fluid Type:
MB-Approval 236.14 (e.g., Mercedes-Benz ATF 7G-TRONIC)
NHTSA Frontal Crash:
Not specifically rated for this model as a coupe, but Mercedes-Benz generally achieves high safety standards.
IIHS Small Overlap Front:
Not rated for this specific generation as it predates rigorous application of this test.
Stability Control:
Electronic Stability Program (ESP) with Traction Control (ASR)
Braking System:
Anti-lock Braking System (ABS), Brake Assist (BAS)
Driver Assistance Options:
Optional DISTRONIC PLUS (Adaptive Cruise Control), PARKTRONIC, Lane Keeping Assist, Blind Spot Assist (availability varies by option package).
Airbags:
Front airbags (driver and passenger), side airbags (front), window curtain airbags (front, sometimes rear), knee airbags (driver, sometimes passenger).
Seat Belts:
3-point inertia-reel seat belts with pre-tensioners and belt force limiters.
Body Structure:
High-strength steel safety cage, crumple zones designed for energy absorption.
Primary System:
COMAND APS (Cockpit Management and Navigation)
Display:
7-inch high-resolution color display with pop-up functionality.
Navigation:
Integrated HDD-based navigation system with traffic information.
Audio:
AM/FM radio, CD player (multi-disc changer often standard), MP3 playback, optional Harman Kardon Logic 7 surround sound system.
Connectivity:
Bluetooth interface for hands-free calling and audio streaming, possibly SD card slot or AUX input.
Adaptive Cruise Control:
Optional DISTRONIC PLUS system that maintains a set speed and distance from the vehicle ahead.
Parking Assistance:
Optional PARKTRONIC parking sensors (front and rear) providing audible and visual alerts.
Lighting Technology:
Standard bi-xenon headlights with adaptive front-lighting system (AFS) for improved cornering visibility.
Oil Change Interval:
Typically every 10,000 miles or 12 months, whichever comes first, or as indicated by the Flexible Service System (ASSYST PLUS).
Major Service Intervals:
Includes items like spark plug replacement, transmission fluid/filter service, coolant flush, brake fluid flush, differential fluid service at specific mileage milestones (e.g., 40,000-70,000 miles depending on component).
Engine Oil Type:
Synthetic engine oil meeting Mercedes-Benz Specification 229.5 or 229.51 (e.g., SAE 0W-40 or 5W-40).
Engine Oil Capacity:
Approximately 8.5 U.S. quarts (8.0 liters) with filter change.
Coolant Type:
Mercedes-Benz Approved Antifreeze/Coolant (e.g., MB 325.0 or 326.0, typically a blue silicate-based fluid).
Brake Fluid Type:
DOT 4 Plus (MB-Approval 331.0) or DOT 5.1
Abc Suspension Leaks:
Active Body Control (ABC) suspension can develop leaks in hoses, struts, or the pump, leading to 'ABC Malfunction' warnings and potential system failure if not addressed.
Cooling System Leaks:
Plastic components in the cooling system (e.g., coolant expansion tank, thermostat housing) can become brittle and crack over time, causing leaks.
Ignition Coil Failures:
While less common on the M273, ignition coils can fail, leading to misfires and rough running.
Oil Cooler Seals:
Leaking oil cooler seals can lead to oil contamination of the coolant or external oil leaks.
Oil Filter Example:
A2731800009 (check specific vehicle VIN for exact fitment)
Air Filter Example:
A2730940401 (for two filters, check specific vehicle VIN)
Manufacturer History:
Mercedes-Benz, a German automotive manufacturer founded in 1926, is renowned for producing luxury vehicles, buses, and trucks. It has a long history of innovation in automotive engineering and safety.
Cl Class Predecessors:
The CL-Class lineage traces back to the S-Class Coupe models, evolving from the W126 SEC, W140 SEC, and W215 CL-Class generations.
C216 Generation:
The C216 CL-Class, introduced in 2006 for the 2007 model year, replaced the W215 generation. It was designed to be a more visually distinct and dynamically oriented coupe based on the S-Class platform.
Production Years:
2007-2014 (for the C216 generation)
Manufacturing Location:
Sindelfingen, Germany
Safety Awards:
While specific awards for the 2007 CL550 are not readily available, Mercedes-Benz vehicles of this era consistently received high marks from safety organizations for their structural integrity and advanced safety features.
Consumer Reports Reliability:
Reliability ratings can vary, but luxury German vehicles of this period are often considered complex and may have higher maintenance costs. Owner satisfaction is generally high due to performance and features.
Emissions Standards:
Compliant with U.S. EPA and CARB emissions standards for the 2007 model year.