Owner-level information focused on safe operation, basic checks, and understanding vehicle features. Does not cover detailed repair procedures or diagnostics.
📊 Manual Specifications
File Format
Compatibility:
All versions of Windows & Mac
Requirements:
Adobe PDF Reader
Downloadability:
YES (Instant Download)
Print Quality
Quality:
High-resolution PDF, suitable for printing individual pages or the entire document.
Binding Type
Binding:
N/A (Digital Format)
Paper Type
Paper:
N/A (Digital Format)
⚙️ Engine Specifications
Primary Engine C240
Engine Code:
M112 E32
Configuration:
3.2L V6 SOHC (18-valve)
Bore X Stroke:
89.9 mm x 84 mm
Compression Ratio:
10.0:1
Horsepower:
215 hp @ 5750 rpm
Torque:
221 lb-ft @ 3000-4800 rpm
Fuel System:
Sequential Multi-port Fuel Injection (SFI)
Primary Engine C320
Engine Code:
M112 E32
Configuration:
3.2L V6 SOHC (18-valve)
Horsepower:
215 hp @ 5750 rpm (identical to C240 in US market)
Torque:
221 lb-ft @ 3000-4800 rpm (identical to C240 in US market)
Fuel System:
Sequential Multi-port Fuel Injection (SFI)
Primary Engine C32 Amg
Engine Code:
M112 E32ML
Configuration:
3.2L V6 SOHC (18-valve) Supercharged
Bore X Stroke:
89.9 mm x 84 mm
Compression Ratio:
8.5:1
Horsepower:
350 hp @ 6100 rpm
Torque:
339 lb-ft @ 3500-4000 rpm
Fuel System:
Sequential Multi-port Fuel Injection (SMI) with intercooled supercharger
🔧 Transmission
C240 C320
Standard Transmission:
5-speed Automatic (722.6 '5G-TRONIC')
Optional Transmission:
None
Features:
Driver-adaptive programming, Comfort (C) and Sport (S) modes.
Standard halogen headlights; optional bi-xenon headlights.
Connectivity
Phone:
Optional integrated cellular phone system (older analog/digital technology).
Voice Recognition:
Optional voice recognition system for COMAND and phone functions.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Typically 10,000 miles or 12 months, whichever comes first, using synthetic oil (refer to manual for exact interval and type).
Major Service Intervals:
Spark plug replacement around 100,000 miles. Transmission fluid and filter service typically around 50,000-80,000 miles. Coolant flush every 30,000-50,000 miles.
Fluid Specifications
Engine Oil:
MB 229.5 specification synthetic oil, typically 0W-40 or 5W-40. Consult manual for exact viscosity and specification.
Coolant:
Mercedes-Benz approved coolant (e.g., G48 or similar OAT type), typically a 50/50 mix with distilled water.
Transmission Fluid:
MB 236.10 or MB 236.12 specification automatic transmission fluid (ATF). Use only approved fluids.
Brake Fluid:
DOT 4 specification.
Known Issues
Common Problems W203:
Mass airflow sensor (MAF) issues, ignition coil failures, window regulator failures, sunroof drain blockages leading to water ingress, catalytic converter failure (especially on higher mileage vehicles).
Known Issues Amg
Common Problems C32 Amg:
Supercharger pulley bearing failure, intercooler leaks, transmission cooler line leaks, crank position sensor failure.
📚 Vehicle History
Brand Heritage
Manufacturer History:
Mercedes-Benz, founded in 1926, renowned for luxury, innovation, and engineering excellence.
Model Evolution
Generation:
W203 generation introduced in 2000 (Europe) and 2001 (North America), replacing the W202 C-Class.
Key Changes 2002:
Introduction of the C32 AMG model, a high-performance variant developed by AMG.
Production
Production Years W203:
2000-2007 (W203 generation)
Production Locations:
Germany (Sindelfingen, Bremen), South Africa (East London), Hungary (Kecskemét - for specific markets)
🏆 Awards & Recognition
Recognitions
IIHS Top Safety Pick:
No specific award noted for this exact model year, but generally performed well in safety tests.
Car And Driver 10Best:
The W203 C-Class platform was praised by automotive journalists for its driving dynamics and refinement, though not always appearing on '10Best' lists against direct competitors.
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