Positioning:
The CLK Class (C209/A209) represented Mercedes-Benz's premium mid-size coupe and convertible offering, blending sporty styling with luxury and advanced technology, competing with models like the BMW 3 Series Coupe/Convertible and Audi A5.
Competition:
Key competitors included the BMW E92/E93 3 Series, Audi A5, Lexus SC, and Infiniti G37 Coupe/Convertible. The CLK was often praised for its comfortable ride and refined interior.
Features:
Stylish and elegant design, luxurious interior appointments, powerful engine options, advanced safety features, and the availability of a retractable hardtop or soft-top convertible.
Coverage:
All mechanical and electrical systems, bodywork, interior, and specifications for the 2009 Mercedes-Benz CLK Class (C209/A209)
Estimated Page Count:
Over 3000 pages (typical for comprehensive factory manuals)
Type:
Factory Service Repair Workshop Manual
Powertrain:
Engine (maintenance, diagnosis, repair), Fuel System, Ignition System, Cooling System, Exhaust System, Engine Electrical System
Drivetrain:
Automatic Transmission (service, diagnosis, overhaul), Driveshafts, Differential, Axles
Chassis:
Suspension (front and rear), Steering System, Brakes (hydraulic, ABS, ESP), Wheels and Tires
Electrical:
Body Control Modules (BCM), Lighting (interior/exterior), Instrumentation, Power Accessories (windows, locks, mirrors), Audio System, Navigation System, Climate Control System, SRS (Airbag) System, CAN Bus communication
Bodywork:
Exterior panels, doors, hood, trunk, convertible top mechanism (A209), interior trim, glass, bumpers
Maintenance:
Scheduled maintenance (oil changes, filter replacements, spark plugs, brake fluid, coolant), inspections
Repair:
Engine component replacement (e.g., water pump, alternator, starter), transmission repair, brake system overhaul, suspension component replacement, electrical component diagnosis and replacement
Diagnostics:
Troubleshooting guides, symptom-based diagnostics, OBD-II fault code interpretation and procedures
Special Procedures:
Torque specifications for all fasteners, special tool requirements, diagnostic connector locations, reset procedures
Depth:
Comprehensive factory-level detail, suitable for professional technicians and advanced DIY enthusiasts. Includes step-by-step instructions, diagrams, exploded views, and specifications.
Format Details:
Searchable PDF with high-resolution diagrams and text. Designed for easy navigation and printing of specific sections.
Quality:
High resolution, ensuring clarity of diagrams, illustrations, and text for accurate work.
Binding:
N/A (Digital PDF Download)
Paper Type:
N/A (Digital PDF Download)
Engine Variant 1:
M271 E18 ML (1.8L Supercharged Inline-4)
Engine Variant 2:
M272 E35 DE 35 (3.5L V6)
Engine Variant 3:
M112 E55 ML (5.5L Supercharged V8 - CLK55 AMG)
Engine Variant 4:
M156 E63 DE 63 LA (6.2L Naturally Aspirated V8 - CLK63 AMG)
1.8L Supercharged (Clk200 Kompressor):
Approx. 184 hp @ 5500 rpm, 250 Nm (184 lb-ft) torque @ 2800-5000 rpm
3.5L V6 (Clk350):
Approx. 268 hp @ 6000 rpm, 350 Nm (258 lb-ft) torque @ 2400-5000 rpm
5.5L Supercharged V8 (Clk55 Amg):
Approx. 362 hp @ 6500 rpm, 510 Nm (376 lb-ft) torque @ 3750 rpm
6.2L V8 (Clk63 Amg):
Approx. 481 hp @ 6800 rpm, 630 Nm (465 lb-ft) torque @ 5000 rpm
Fuel Delivery:
Electronic Fuel Injection (EFI) with sequential port injection. Supercharged models feature a belt-driven supercharger.
Fuel Type:
Premium Unleaded Gasoline (91+ RON)
Transmission Type:
5-speed Automatic (722.6) for some earlier models/engines, predominantly 7-speed 7G-TRONIC Automatic (722.9) for 2009 models.
Optional Transmission:
Manual transmission was not commonly offered on CLK models in the US market for 2009, with automatic being standard.
Transmission Features:
TouchShift control, Comfort/Sport modes, adaptive shift programs, electronically controlled.
Coupe Length:
Approx. 4634 mm (182.4 in)
Convertible Length:
Approx. 4634 mm (182.4 in)
Coupe Width:
Approx. 1740 mm (68.5 in)
Convertible Width:
Approx. 1740 mm (68.5 in)
Coupe Height:
Approx. 1380 mm (54.3 in)
Convertible Height:
Approx. 1382 mm (54.4 in)
Wheelbase:
Approx. 2715 mm (106.9 in)
Seating Capacity:
4 Passengers
Coupe Trunk Volume:
Approx. 13.1 cu ft (370 L)
Convertible Trunk Volume:
Approx. 10.4-13.0 cu ft (295-368 L) with top up/down
Curb Weight Range:
Approx. 1500 - 1700 kg (3300 - 3750 lbs), varying by engine and body style
Gross Vehicle Weight Rating:
Varies by model, typically around 2000-2200 kg
NHTSA Front Impact:
5-Star (typically for coupe models)
IIHS Side Impact:
Good (typically for coupe models)
Active Safety:
Anti-lock Braking System (ABS), Electronic Stability Program (ESP), Traction Control System (ASR), Brake Assist (BAS), Tire Pressure Monitoring System (TPMS)
Passive Safety:
Driver and front passenger airbags, side airbags, front and rear head protection airbags, seatbelt pretensioners, rollover protection (A209), crumple zones.
Infotainment System:
COMMAND (Control COMmanD) system with integrated audio, navigation (optional), and climate control. Available with CD player, MP3 compatibility, and auxiliary input.
Driver Assistance Features:
Optional: PARKTRONIC parking sensors, Adaptive Cruise Control (DISTRONIC), Bi-Xenon headlights with active curve illumination, rain-sensing wipers.
Connectivity Options:
Bluetooth phone connectivity (optional, often requiring specific adapters), UHI (Universal Hands-free Interface) for mobile phones.
Oil Change Interval:
Every 10,000 miles or 1 year, whichever comes first, based on flexible service intervals (Service A/B indicators). Refer to owner's manual for exact recommendation for specific driving conditions.
Major Service Intervals:
Spark plugs typically every 60,000-100,000 miles (depending on type), transmission fluid service every 40,000-70,000 miles, coolant replacement every 30,000-50,000 miles or 2-3 years.
Engine Oil Specification:
MB 229.5 (e.g., Mobil 1 0W-40, Castrol SLX Professional 0W-40). Check owner's manual for exact specification.
Transmission Fluid Specification:
MB 236.14 (for 7G-TRONIC), MB 236.10 (for 5-speed automatic). Use genuine Mercedes-Benz or approved equivalent.
Coolant Specification:
MB 325.0 or 326.0 (Antifreeze/Coolant, Blue/Green)
Brake Fluid Specification:
DOT 4 Plus (MB 331.0)
Common Problems:
Mass Air Flow (MAF) sensor issues, ignition coil failure, oil leaks (especially from valve cover gaskets and oil filter housing), CAN bus communication errors, convertible top hydraulic system leaks (A209), SBC (Sensotronic Brake Control) unit issues on earlier models (though 2009 might have updated system).
Typical Repairs:
Replacement of worn suspension components (control arms, ball joints), brake pad and rotor replacement, serpentine belt and tensioner replacement, interior electronic module diagnosis.
Mercedes Benz Legacy:
Mercedes-Benz has a long and illustrious history of producing luxury automobiles, known for engineering excellence, comfort, safety, and pioneering automotive technologies since the late 19th century.
Clk Class Lineage:
The CLK Class (C209/A209) succeeded the C208 CLK. It was based on the W203 C-Class platform, offering a more stylish and performance-oriented alternative. It was later replaced by the W207 E-Class Coupe/Convertible.
Production Years:
2002-2009 (C209/A209 generation)
Manufacturing Location:
Germany
Industry Awards:
While specific awards for the 2009 model year are less prominent in general automotive press compared to earlier years, the CLK Class consistently received positive reviews for its styling, comfort, and premium feel, contributing to Mercedes-Benz's reputation for luxury and quality.
Safety Ratings Summary:
Generally received good safety ratings from NHTSA and IIHS, reflecting Mercedes-Benz's commitment to occupant protection.
Certification Type:
Factory Certified Manual
