Segment:
Entry-level luxury coupe and convertible
Competitors 2002:
BMW 3 Series Coupe/Convertible (E46), Audi A4 Cabriolet, Lexus SC 300/400, Infiniti G35 Coupe
Design Philosophy:
Stylish, sporty, and comfortable personal luxury coupe/convertible with Mercedes-Benz build quality and engineering
Platform Basis:
Based on the W203 C-Class platform, sharing many components
Engine:
Detailed diagnostics, repair procedures, specifications for various engine variants (e.g., M112, M271)
Transmission:
Automatic transmission (e.g., 5G-TRONIC, 7G-TRONIC), manual transmission (less common), repair, diagnostics, fluid service
Brakes:
Hydraulic system, ABS, ESP, brake pad/rotor replacement, caliper service, bleeding procedures
Suspension Steering:
Front/rear suspension, steering system, alignment, component replacement (struts, control arms, tie rods)
Electrical Electronics:
Wiring diagrams, component testing, fuse/relay identification, CAN bus system, comfort modules, lighting, sensors
Bodywork Chassis:
Body panel removal/installation, door mechanisms, convertible top system (A209), interior trim, chassis diagnostics
Climate Control:
HVAC system, A/C compressor, refrigerant handling, heater core, climate control unit
Safety Restraints:
Airbag system, seatbelt pre-tensioners, SRS module diagnostics
Maintenance:
Oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt inspection/replacement
Troubleshooting:
Diagnostic trouble codes (DTCs), symptom-based troubleshooting, electrical system diagnostics
Repair:
Detailed step-by-step repair instructions for all major components and systems
Diagnostics:
Use of diagnostic tools (e.g., STAR Diagnosis), sensor data interpretation, module coding/programming (basic)
Disassembly Assembly:
Complete instructions for removing and reinstalling all major assemblies and components
Depth:
Comprehensive, from basic maintenance to advanced engine and transmission overhauls, including electrical system diagnostics
Engine Options 2002:
CLK320 (M112 E32 V6), CLK240 (M112 E26 V6 - some markets), CLK200 Kompressor (M271 E18 ML I4 - some markets)
Clk320 Horsepower:
215 hp @ 5700 rpm
Clk320 Torque:
229 lb-ft @ 3000-4500 rpm
Clk200 Kompressor Horsepower:
163 hp @ 5300 rpm
Clk200 Kompressor Torque:
177 lb-ft @ 3000-4000 rpm
Fuel Injection:
Sequential Multi-Port Fuel Injection (MPI)
Fuel Type:
Premium Unleaded Gasoline (91 RON or higher)
Coupe Length:
Approx. 4673 mm (184.0 in)
Convertible Length:
Approx. 4673 mm (184.0 in)
Coupe Width:
Approx. 1740 mm (68.5 in)
Convertible Width:
Approx. 1740 mm (68.5 in)
Coupe Height:
Approx. 1383 mm (54.5 in)
Convertible Height:
Approx. 1391 mm (54.8 in)
Wheelbase:
Approx. 2715 mm (106.9 in)
Coupe Trunk Volume:
Approx. 433 L (15.3 cu ft)
Convertible Trunk Volume Top Up:
Approx. 390 L (13.8 cu ft)
Curb Weight Clk320 Coupe:
Approx. 1530 kg (3373 lbs)
Curb Weight Clk320 Cabriolet:
Approx. 1740 kg (3836 lbs)
NHTSA Front Impact:
Good (with side airbags)
IIHS Side Impact:
Good (with side airbags)
Active Safety Standard:
Anti-lock Braking System (ABS), Electronic Stability Program (ESP), Traction Control System (ASR)
Airbags:
Front airbags, side airbags (front), optional rear side airbags
Convertible Safety:
Pop-up roll bars (A209), reinforced A-pillars
Audio System:
Standard CD player with AM/FM radio, optional Bose sound system.
Navigation:
Optional COMAND (Cockpit Management and Navigation) system with CD-ROM based maps.
Cruise Control:
Standard cruise control, optional Distronic adaptive cruise control (rare).
Phone Integration:
Optional UHI (Universal Hands-free Interface) with cradle for specific mobile phones.
Oil Change Interval:
Typically every 10,000 miles or 1 year, whichever comes first (depending on driving conditions and oil type used, consult manual for precise intervals).
Major Service Interval:
Around 30,000, 60,000, 100,000 miles (includes spark plugs, transmission service, coolant, etc.)
Engine Oil Type:
Mobil 1 Synthetic 0W-40 (MB 229.5 specification) is commonly recommended.
Transmission Fluid Type:
MB 236.10 or MB 236.12 Automatic Transmission Fluid (e.g., Shell ATF 134, Mobil ATF 134).
Coolant Type:
Mercedes-Benz approved Antifreeze/Coolant (e.g., MB 325.0 or MB 326.0 - typically silicate-free blue or green)
Common Problem 1:
Balance shaft wear on M271 Kompressor engines (chain tensioner failure leading to chain slap).
Common Problem 2:
EGR valve clogging (especially on diesel variants, less common on US gasoline models).
Common Problem 3:
Mass Air Flow (MAF) sensor issues leading to rough idling or poor performance.
Common Problem 4:
Convertible top hydraulic system leaks or pump failure (A209).
Common Problem 5:
Ignition coil failure (common on many Mercedes models of this era).
Mercedes Benz Legacy:
Established reputation for luxury, engineering, safety, and durability dating back to the late 19th century.
Clk Class Introduction:
First generation (W208) introduced in 1997. C209/A209 is the second generation, launched in 2002.
C209 A209 Generation:
Second generation (2002-2009). Facelifted in 2006.
Manufacturing Locations:
Bremen, Germany