Segment:
Compact Executive Sedan/Coupe/Wagon
Competitors:
BMW 3 Series, Audi A4, Lexus IS, Infiniti G35/G37
Brand Perception:
Luxury, safety, engineering prowess
Chassis Platform:
W204 platform, known for its robust construction and refined driving dynamics
Software Benefit:
Official Mercedes-Benz data ensures accuracy and completeness for DIY repairs and professional service
Engine:
3.0L V6 (M272 engine family)
Powertrain:
7-speed automatic transmission (7G-TRONIC PLUS)
Chassis:
Suspension, Steering, Brakes (including ABS, ESP)
Electrical:
Complete electrical system, lighting, wiring diagrams, diagnostics
Body:
Bodywork, interior trim, climate control, safety systems (airbags, seatbelts)
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, inspections
Diagnostics:
Troubleshooting guides, fault code interpretation, diagnostic procedures
Repair:
Engine mechanical, transmission overhaul, brake system repair, electrical component replacement, suspension overhaul, body panel repair
Technical Data:
Specifications, torque values, clearances, diagnostic data
Depth:
In-depth diagnostics, component-level repair, full vehicle rebuild procedures
Engine Code:
M272 DE30 (3.0L V6)
Displacement:
2997 cc (3.0 Liters)
Horsepower:
228 hp @ 6000 rpm
Torque:
221 lb-ft (300 Nm) @ 2400-5000 rpm
Induction:
Naturally Aspirated, Multi-Point Fuel Injection
Fuel Type:
Premium Unleaded Gasoline (91 Octane or higher recommended)
Bore X Stroke:
88.0 mm x 82.0 mm
Compression Ratio:
10.7:1
Valve Train:
DOHC, 4 valves per cylinder, Variable Valve Timing (VVT)
Type:
7-speed Automatic (7G-TRONIC PLUS)
Drivetrain:
Rear-Wheel Drive (RWD) / 4MATIC All-Wheel Drive (AWD)
Transmission Modes:
Comfort (C) and Sport (S) modes
Transmission Fluid:
MB Spec 236.14 (e.g., Fuchs Titan ATF 4134)
IIHS Top Safety Pick:
Yes (for most model years)
NHTSA Ratings:
Varies by test, generally high marks for frontal and side impact
Stability Control:
Standard Electronic Stability Program (ESP)
Braking System:
Standard Anti-lock Braking System (ABS), Brake Assist (BAS)
Airbags:
Front, front-side, and curtain airbags
Seat Belts:
Pretensioners and load limiters
Comand System:
Optional COMAND APS (Cockpit Management and Navigation Display) with integrated CD/DVD changer, Bluetooth, and auxiliary input
Audio System:
Standard Mercedes-Benz Sound System; optional Harman Kardon LOGIC 7 surround sound
Parking Assistance:
Optional Parktronic (parking sensors)
Adaptive Cruise Control:
Optional DISTRONIC PLUS
Bluetooth:
Standard or optional, for phone calls and audio streaming
Lighting:
Halogen headlamps with optional Bi-Xenon headlamps and LED daytime running lights
Oil Change Interval:
Typically every 10,000 miles or 1 year, based on Mercedes-Benz Flexible Service System (FSS)
Major Service A:
Minor service typically around 15,000-20,000 miles (e.g., inspect brakes, fluids, filters)
Major Service B:
Major service typically around 30,000-40,000 miles (e.g., replace spark plugs, transmission service, differential fluid)
Engine Oil:
SAE 0W-40 or 5W-40, MB Approved 229.5 or 229.51
Coolant:
MB Spec 325.0 / 326.0 (Antifreeze/Coolant, Blue or Green)
Brake Fluid:
DOT 4 Plus (MB Spec 331.0)
M272 Engine Common Failures:
Variable Intake Manifold (VIM) actuator failure, balance shaft sprocket wear (earlier M272s), oil cooler leaks
Transmission Common Failures:
Conductor plate issues, mechatronic unit faults, torque converter problems (less common on 7G-TRONIC)
Electrical Issues:
CAN bus communication errors, SAM unit failures, sensor failures
Suspension Issues:
Worn control arm bushings, strut mount failures
Manufacturer:
Mercedes-Benz, established 1926
W204 Generation:
Second generation of the C-Class, replacing the W203. Introduced for the 2008 model year.
2010 Updates:
Minor refinements; the C300 (W204) continued with the 3.0L V6, 4MATIC available.
Manufacturing Locations:
Germany (Sindelfingen, Bremen), South Africa, China
