Market Position:
The 2008 CL65 AMG represented the pinnacle of Mercedes-Benz's luxury grand touring coupe segment, offering immense power and handcrafted luxury. This manual serves owners and independent specialists aiming to maintain and repair this high-performance, complex vehicle.
Competitive Analysis:
Competed with other high-end V12 coupes like the Bentley Continental GT, Aston Martin DB9, and Ferrari 612 Scaglietti, but offered a unique blend of brute force from its twin-turbo V12 and sophisticated German engineering with advanced electronic systems.
Key Features:
This software manual provides detailed, factory-level information essential for proper diagnosis and repair of the CL65 AMG's complex systems, including its potent V12 engine, ABC suspension, and extensive electronics. It's crucial for preserving the vehicle's performance and value.
Coverage Areas:
Complete service, repair, diagnostics, and maintenance for the 2008 Mercedes-Benz CL65 AMG.
Page Count:
Estimated 1500+ pages (based on typical Mercedes-Benz service manual volume for this era and complexity).
Manual Type:
Official Service & Repair Manual Software
Format:
Software (likely proprietary executable or PDF format)
Systems Covered:
Engine (M275 V12 Biturbo), Transmission (722.6 5-speed Automatic), Drivetrain, Suspension (ABC - Active Body Control), Steering, Brakes (ABC-integrated), Fuel System, Exhaust System, Cooling System, Electrical System (including CAN bus architecture), Body Control Modules (BCM), HVAC, SRS (Airbags), Infotainment, Navigation, Interior & Exterior Trim, Body Panels, Diagnostics.
Procedures Included:
Routine maintenance, scheduled service, troubleshooting, diagnostics (including fault codes and wiring diagrams), component replacement, overhaul procedures, electrical system repairs, bodywork repair, HVAC system servicing, suspension adjustments, brake system bleeding and repair, engine and transmission removal/installation, torque specifications, special tool requirements, diagnostic software integration.
Technical Depth:
Comprehensive from basic fluid changes to complete engine and transmission rebuilds, advanced electronic diagnostics, and body repair. Covers detailed schematics and diagrams.
Engine Type:
M275 V12 Biturbo SOHC
Displacement:
5.5 Liters (5513 cc)
Bore X Stroke:
82.6 mm x 87.0 mm
Valvetrain:
SOHC, 3 valves per cylinder (2 intake, 1 exhaust)
Turbocharging:
Twin-Turbocharged with intercoolers
Horsepower:
604 hp @ 4800–5500 rpm
Torque:
738 lb-ft (1000 Nm) @ 2000–4000 rpm (electronically limited)
Fuel Delivery:
Sequential Electronic Fuel Injection (SEFI)
Fuel Type:
Premium Unleaded Gasoline (91+ octane recommended)
Fuel Tank Capacity:
80 Liters (21.1 Gallons)
ECU Type:
ME 9.7 (Motor Electronics 9.7)
Ignition System:
Distributorless Electronic Ignition (CDI) with dual ignition coils per cylinder
Coolant Type:
Mercedes-Benz approved MB 325.0 (Glysantin G48 equivalent)
Coolant Capacity:
Approx. 14.5 Liters
Transmission Type:
5-speed Automatic
Transmission Model:
722.6 (AMG Speedshift 5G-TRONIC)
Features:
AMG Speedshift programming, manual shifting modes (M), sport (S) and comfort (C) modes, lock-up torque converter.
Transmission Fluid Type:
MB 236.14 (Febi Bilstein 21801, Pentosin ATF1, Fuchs Titan ATF 4134)
Transmission Fluid Capacity Total:
Approx. 8.0 Liters (dry fill)
Transmission Fluid Capacity Drain Refill:
Approx. 4.5 - 5.0 Liters
NHTSA Front Impact:
5-star (estimate for class, specific data may vary)
IIHS Frontal Offset:
Good (estimate for class, specific data may vary)
Active Features:
ABS (Anti-lock Braking System), ESP (Electronic Stability Program), ASR (Acceleration Slip Regulation), Brake Assist System (BAS), PRE-SAFE® occupant protection system, Adaptive Cruise Control (optional), PARKTRONIC.
Passive Features:
Driver and front passenger airbags, side airbags (front and rear), curtain airbags, active front head restraints, seatbelt pretensioners, crumple zones.
Infotainment System:
COMAND APS (Cockpit Management and Navigation)
Features:
Navigation system, CD/DVD player, AM/FM radio, Harman Kardon LOGIC 7 surround sound system, Bluetooth connectivity, voice control (LINGUATRONIC).
Driver Assistance:
Adaptive Cruise Control (optional), PARKTRONIC parking sensors, Bi-Xenon headlamps with Active Curve Illumination, rain-sensing wipers, automatic headlamp activation, Blind Spot Assist (optional).
Connectivity:
Bluetooth interface for hands-free calling and audio streaming.
Comfort Features:
Multi-contour front seats with heating, ventilation, and massage functions, multi-zone automatic climate control, keyless-go, electric sunroof, power-adjustable steering column.
Major Service Interval:
Typically every 10,000 miles or 12 months, whichever comes first. Key checks include fluids, filters, belts, brakes, and suspension components.
Spark Plug Replacement:
Refer to manual, typically around 60,000 miles for V12 models.
Transmission Fluid Change:
Recommended every 30,000-50,000 miles for optimal performance and longevity.
Engine Oil Specification:
Mobil 1 Formula M 0W-40 (MB 229.5 approved)
Engine Oil Capacity:
Approx. 8.5 Liters (with filter)
Brake Fluid Specification:
DOT 4 Plus (MB 331.0)
Power Steering Fluid:
Pentosin CHF 11S or MB 343.0
Known Issues:
Active Body Control (ABC) hydraulic leaks/failures, ignition coil issues, turbocharger seals, transmission control module (TCM) faults, rear main crankshaft seal leaks, electronic module failures (e.g., SAM units).
Maintenance Tips:
Regularly inspect ABC system for leaks, ensure proper coolant and oil levels, use high-quality fuel, and adhere strictly to manufacturer-recommended service intervals. Proper diagnostic tools are essential for complex electrical issues.
Brand Heritage:
Mercedes-Benz, founded in 1926, is renowned for its luxury vehicles, pioneering safety innovations, and high-performance AMG division, which has a long history of tuning Mercedes-Benz cars for motorsport and road use.
Model Evolution:
The CL-Class (C216) succeeded the CL-Class (C215) and was based on the S-Class platform. The CL65 AMG variant, powered by the formidable twin-turbo V12, represented the most powerful and luxurious iteration of the CL coupe.
Production Years:
CL65 AMG (C216) produced from 2007 to 2010.
Manufacturing Location:
Sindelfingen, Germany
Recognitions:
While specific awards for the 2008 model year are not widely publicized for this niche variant, the CL-Class platform generally received critical acclaim for its luxury, technology, and performance. AMG models are consistently recognized for their engineering prowess.
Ratings:
Performance reviews often praised the V12 engine's immense torque and refinement. Luxury reviews highlighted the opulent interior and advanced features.
