Description
Factory Mercedes C Class C250 CGI BlueEfficiency Workshop Manual (2010–2015)
This is the same OEM dealer software used by authorized Mercedes-Benz workshops to diagnose, service, and repair the W204-generation C250 CGI BlueEfficiency — covering every variant sold in the US and worldwide between 2010 and 2015.
Powertrain & Drive Coverage
| Component | Variants Covered |
|---|---|
| Petrol | 1.8L M271 EVO Turbocharged CGI (204 hp) |
| Diesel | N/A |
| Transmissions | 6-speed manual; 7G-TRONIC PLUS 7-speed automatic (722.9) |
| Drive | RWD; Left and Right hand drive |
| Model Years | 2010, 2011, 2012, 2013, 2014, 2015 |
| Badge Twins | W204 Sedan, S204 Estate/Wagon, C204 Coupe |
Common C250 CGI Repairs Covered
| System | Procedures |
|---|---|
| M271 Timing Chain | Timing chain and tensioner replacement — a well-documented issue on high-mileage M271 engines |
| 7G-TRONIC Mechatronic Unit | Valve body/mechatronic unit diagnostics, fluid service, and replacement procedures |
| CGI Fuel Injection System | High-pressure fuel pump, injector cleaning, and direct injection carbon buildup service |
| SAM Modules & CAN-BUS | Signal Acquisition Module diagnostics, CAN network fault finding, and wiring harness repair |
Format & Delivery
Dealer software (Mercedes VMware Virtual Machine — NOT a PDF). Compatible with Windows 11, 10, 8, 7, Vista, XP, Mac, and Linux. Instant download; lifetime re-downloads.
Frequently Asked Questions
Is the M271 timing chain replacement procedure fully documented?
Yes. The M271 EVO timing chain is a known wear item on the C250 CGI, and the software includes the complete OEM chain replacement procedure with tensioner specs, special tool requirements, and torque values — the same procedure used by Mercedes dealer technicians.
Does this cover all three W204 body styles?
All three W204-platform variants are supported: the W204 four-door sedan, the S204 estate/wagon, and the C204 coupe — including both pre-facelift (2010–2011) and post-facelift (2011–2015) production runs.
Are full wiring diagrams and SAM module data included?
Yes. The software contains interactive wiring diagrams covering engine management, SAM units, CAN-BUS topology, lighting, COMAND, climate control, and parking systems — with connector pin assignments, wire colors, and ground point locations.
What format is the manual?
This is dealer software delivered as a Mercedes VMware Player Virtual Machine — not a static PDF. It runs on Windows, Mac, and Linux and features searchable databases, clickable component locators, and integrated diagnostic workflows identical to what authorized Mercedes-Benz workshops use.
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