Segment:
Full-size Luxury Coupe
Positioning:
Flagship personal luxury coupe offering unparalleled comfort, performance, and advanced technology.
Competitors:
BMW 7 Series Coupe (prior to 6 Series coupe, later 8 Series), Bentley Continental GT, Aston Martin DB9.
Powertrain:
Twin-turbocharged V12 engine, advanced Active Body Control (ABC) suspension, 7G-TRONIC automatic transmission.
Technology:
PRE-SAFEยฎ predictive safety system, DISTRONIC PLUS adaptive cruise control, COMAND infotainment system.
Luxury Appointments:
High-quality leather, wood trim, multi-contour massaging seats, premium sound system.
Engine Management:
Comprehensive ECU diagnostics, sensor testing, actuator control, fuel injection, ignition timing.
Powertrain Control:
Detailed coverage of transmission control module (TCM) operations, shift logic, and electronic control unit (ECU) integration.
Active Suspension:
ABC (Active Body Control) system diagnosis, hydraulic component testing, pressure regulation, and calibration procedures.
Comfort Systems:
Climate control (THERMOTRONIC), seat adjustment and memory, door locks, windows, sunroof, and ambient lighting systems.
Lighting Systems:
Headlights (bi-xenon, dynamic), taillights, interior lighting, and associated control modules.
Instrumentation And Warnings:
Instrument cluster functions, diagnostic trouble codes (DTCs), warning lamp interpretation, and cluster recalibration.
Safety Systems:
AIRMATIC suspension, PARKTRONIC, DISTRONIC PLUS, PRE-SAFE, ABS, ESP, SRS (airbag system) diagnostics and component replacement.
Preventive Maintenance:
Scheduled service tasks, fluid changes (oil, coolant, brake fluid), filter replacements, and component inspections.
Routine Repairs:
Brake pad and rotor replacement, fluid flush and bleed, spark plug replacement, belt replacement, battery service.
Major Repairs:
Engine component removal and installation (e.g., turbochargers, intercoolers), transmission overhaul, suspension strut replacement.
Diagnostics:
Systematic troubleshooting based on symptoms, DTC interpretation, component testing using scan tools and multimeters.
Electrical Troubleshooting:
Circuit tracing, voltage drop testing, continuity checks, diagnostic flowcharts for electrical faults.
Software Updates And Coding:
Procedures for updating control unit software and coding new components using Mercedes-Benz diagnostic tools (e.g., STAR DIAGNOSIS).
Depth:
Expert-level, covering full diagnostics, repair, and rebuilding of all major vehicle systems.
Detail Level:
Includes torque specifications, tightening sequences, component tolerances, and specialized tool requirements.
โ๏ธ Engine Specifications
Engine Code:
M275 (preceded by M137, succeeded by M279)
Engine Type:
6.0L (5980cc) Twin-Turbocharged V12 SOHC
Horsepower:
510 hp @ 5000 rpm
Torque:
612 lb-ft (830 Nm) @ 1800-3500 rpm
Fuel Delivery:
Sequential Multi-Point Fuel Injection (MPI) with Twin-Turbocharging
Recommended Fuel:
Premium Unleaded Gasoline (91+ octane)
Coolant Type:
Mercedes-Benz approved G48 (Antifreeze/Coolant)
Coolant Capacity:
Approx. 11.5 liters (12.2 US quarts)
Engine Oil Type:
MB 229.5 Specification
Engine Oil Viscosity:
SAE 0W-40 or 5W-40
Engine Oil Capacity:
Approx. 8.5 liters (9.0 US quarts) with filter change
Spark Plugs:
NGK Iridium (e.g., IFR6Q-G) or equivalent
Turbocharger System:
Twin-sequential turbochargers with intercoolers.
NHTSA Front Impact:
Not specifically rated for this model year, but generally excellent due to Mercedes-Benz safety engineering.
IIHS Crash Test:
Not specifically rated by IIHS for this model year, but consistently high safety performance from Mercedes-Benz.
ABS:
Standard Anti-lock Braking System
Esp:
Standard Electronic Stability Program (ESP)
Distronic Plus:
Optional Adaptive Cruise Control with enhanced proximity sensing and braking.
Pre Safe:
Standard Predictive Occupant Protection System, which tightens seatbelts and closes windows/sunroof in imminent crash scenarios.
Srs Airbags:
Driver, front passenger, side airbags, window curtain airbags.
Body Structure:
High-strength steel safety cell with crumple zones.
System Name:
COMAND (Cockpit Management and Navigation)
Features:
Integrated navigation system, CD/DVD player, AM/FM radio, optional SiriusXM satellite radio, auxiliary audio input, Bluetooth connectivity.
Adaptive Cruise Control:
DISTRONIC PLUS for maintaining a set distance from the vehicle ahead.
Parking Assist:
PARKTRONIC parking sensors and audible/visual aids.
Night Vision:
Optional infrared night vision system.
Bluetooth:
Integrated Bluetooth for hands-free calling and audio streaming.
Seats:
Multi-contour front seats with heating, ventilation, and massage functions. Electrically adjustable with memory settings.
Climate Control:
THERMOTRONIC automatic climate control with multiple zones.
Minor Service Interval:
Every 10,000 miles or 12 months, whichever comes first (includes oil change, filter replacement, tire rotation, general inspection).
Major Service Interval:
Every 30,000 miles or 36 months (includes spark plug replacement, cabin air filter replacement, brake fluid flush, coolant flush).
Transmission Service Interval:
Typically every 60,000 miles, or as indicated by the vehicle's Flexible Service System (FSS).
Engine Oil:
MB 229.5 specification, SAE 0W-40 or 5W-40.
Transmission Fluid:
MB 236.14 specification ATF.
Brake Fluid:
DOT 4 PLUS (e.g., MB 331.0).
Coolant:
Mercedes-Benz approved G48 (Antifreeze/Coolant), 50/50 mix with distilled water.
Abc Suspension Leaks:
Potential for leaks in Active Body Control (ABC) suspension lines and components, particularly the struts and accumulators. Requires specialized knowledge for repair.
Coil Packs:
Individual ignition coil failures can occur, leading to misfires and rough running. Easy to replace individually.
Harmonic Balancer:
The crankshaft harmonic balancer (vibration damper) can degrade over time, leading to potential failure and belt slippage.
Door Lock Actuators:
Vacuum or electronic failure of door lock actuators can cause doors to not open or close properly.
Idling Issues:
Can be related to vacuum leaks, mass airflow sensor (MAF) issues, or throttle body problems on the V12.
๐ Awards & Recognition
Prestigious Awards:
While specific awards for the 2007 CL600 are not widely publicized as a singular model, the CL-Class as a lineage is consistently recognized for its luxury, innovation, and performance by automotive publications globally.
Consumer Reports Reliability:
Reliability ratings for high-end Mercedes-Benz models can vary; thorough inspection and adherence to maintenance schedules are critical for long-term ownership satisfaction.