Segment:
Entry-level luxury sedan.
Competitors:
BMW 3 Series, Audi A4, Lexus IS, Acura TL.
Features:
Sophisticated styling, premium interior, advanced technology, comfortable ride, strong performance.
Coverage Scope:
Comprehensive service, repair, and diagnostic information for the 2008 Mercedes-Benz C350.
Page Count Estimate:
Estimated 3000+ pages (typical for full factory service manual software).
Manual Type:
Service and Repair Manual Software (digital format).
Format:
Software/Digital (likely PDF or proprietary interactive format).
Engine:
3.5L V6 (M272 engine), including fuel injection, ignition, cooling, lubrication, exhaust.
Transmission:
7G-TRONIC (722.9) automatic transmission, including control module, solenoids, fluid service, diagnostics.
Brakes:
ABS, ESP (Electronic Stability Program), brake system hydraulics, pad/rotor replacement, bleeding procedures.
Suspension:
Front and rear suspension systems, struts, shocks, control arms, steering linkage, alignment specifications.
Electrical:
Complete electrical system schematics, wiring diagrams, fuse box locations, component testing, lighting, battery, starter, alternator.
Body And Interior:
Body panels, doors, latches, hinges, seats, airbags, climate control, infotainment system, dashboard.
Diagnostics And Troubleshooting:
OBD-II diagnostic trouble codes (DTCs), diagnostic procedures, troubleshooting flowcharts, sensor testing.
Maintenance:
Oil changes, filter replacements, fluid checks and top-offs, tire rotation, brake inspections.
Repair:
Engine component replacement (e.g., spark plugs, coils, sensors), transmission service, brake caliper replacement, suspension component overhaul.
Troubleshooting:
Step-by-step diagnostic procedures for common and complex issues.
Installation:
Component replacement and installation guidelines.
Depth:
Extensive, covering from routine maintenance to complex electronic diagnostics and mechanical overhauls.
Engine Type:
3.5L V6 DOHC 24-valve with variable valve timing.
Horsepower:
268 hp @ 6000 rpm
Torque:
258 lb-ft @ 3500 rpm
Fuel Delivery:
Electronic fuel injection (EFI) with sequential port injection.
Recommended Fuel:
Premium Unleaded Gasoline (91 octane or higher).
Engine Oil Capacity:
Approx. 6.9 US quarts (6.5 liters) with filter change.
Engine Oil Type:
Mobil 1 Synthetic ESP Formula 5W-30 (or equivalent meeting MB-Approval 229.5).
Coolant Type:
Mercedes-Benz G48 Antifreeze/Coolant (Ethylene Glycol based, blue color) or equivalent.
Timing Drive:
Timing chain with hydraulic tensioners.
Transmission Type:
7G-TRONIC 7-speed automatic.
Transmission Modes:
Comfort (C) and Sport (S) modes.
Transmission Fluid Type:
MB 236.14 (e.g., Pentosin ATF 134).
Transmission Fluid Capacity:
Approx. 7.0 - 8.0 liters (for complete drain and fill, varies with torque converter).
NHTSA Front Impact:
5-Star Rating
NHTSA Side Impact:
5-Star Rating
IIHS Top Safety Pick:
Yes (for models equipped with optional advanced safety features).
Esp:
Standard Electronic Stability Program.
ABS:
Standard Anti-lock Braking System.
Brake Assist:
Standard BAS (Brake Assist System).
Airbags:
Front, front-side, and side curtain airbags standard. Optional rear-side airbags.
Seatbelts:
Pretensioner and force-limiter equipped seatbelts with 3-point active design.
Command System:
COMAND APS (Cockpit Management and Navigation) system with integrated GPS navigation, radio, CD/DVD player, and optional media interface.
Display:
7-inch color display, often integrated into the dashboard.
Adaptive Cruise Control:
Optional DISTRONIC cruise control.
Parking Assistance:
Optional PARKTRONIC parking sensors (front and rear).
Bluetooth:
Standard Bluetooth connectivity for hands-free calling (and often audio streaming).
Headlights:
Halogen headlights standard, optional bi-xenon adaptive headlights.
Oil Change Interval:
Flexible, typically every 10,000 miles or 12 months, based on driving conditions and oil quality (indicated by 'Assyst Plus' service indicator).
Major Service A:
Typically around 10,000-15,000 miles or 12 months. Includes oil and filter change, inspection of vital components.
Major Service B:
Typically around 20,000-30,000 miles or 24 months. Includes Service A items plus cabin filter, engine air filter, brake fluid flush, and comprehensive inspections.
Transmission Service:
Recommended every 40,000-60,000 miles or as indicated by the 'Assyst Plus' system.
M272 Balance Shaft Issue:
Certain early M272 engines (prior to late 2007 production) had issues with the balance shaft sprocket leading to timing chain wear. 2008 models are generally less affected but worth checking documentation.
Oil Cooler Seals:
Potential for oil leaks from the oil cooler seals, particularly the O-rings.
Intake Manifold Actuator:
M272 engines can experience failure of the intake manifold flap (variable intake geometry) actuator, leading to check engine lights and performance issues.
O2 Sensors:
Oxygen sensors can fail over time, impacting fuel economy and emissions.
Brake Fluid Type:
DOT 4 Plus (MB-Approval 331.0).
Power Steering Fluid:
MB 236.3 (e.g., Pentosin CHF 11S) or equivalent.
Brand Legacy:
Founded in 1886, Mercedes-Benz is renowned for pioneering automotive technology, luxury, and engineering excellence.
W204 Introduction:
The W204 generation C-Class replaced the W203 and debuted for the 2008 model year, featuring a bolder design and improved dynamics.
Production Plants:
Bremen, Germany; East London, South Africa.
