Description
Factory Mercedes-Benz R350 Workshop Manual (2007–2010)
This is the complete factory-level service manual for the Mercedes-Benz R350 (W251), covering every repair and maintenance procedure US technicians and owners need to keep these luxury MPVs running at their best.
Powertrain & Drive Coverage
| Component | Variants Covered |
|---|---|
| Petrol | M272 3.5L V6 (~268 hp) — all fuel injection and timing chain variants |
| Diesel | N/A (R350 gasoline variants only) |
| Transmissions | 7G-TRONIC 7-speed automatic (722.9) |
| Drive | RWD; 4MATIC AWD (transfer case and differential service included) |
| Model Years | 2007, 2008, 2009, 2010 |
| Badge Twins | W251 standard wheelbase; V251 long wheelbase |
Common R350 Repairs Covered
| System | Procedures |
|---|---|
| M272 Timing Chain & Balance Shaft | Balance shaft gear wear inspection, timing chain tensioner replacement, complete timing service with torque specs |
| 7G-TRONIC Transmission (722.9) | ATF and filter service, valve body removal and repair, conductor plate (mechatronic) replacement |
| Airmatic / Suspension | Air strut replacement, compressor diagnostics, ride height sensor calibration, front and rear axle service |
| Electrical / CAN-Bus | Wiring diagrams, connector pinouts, CAN-bus network schematics, ABS/ESP fault diagnosis, climate control troubleshooting |
Format & Delivery
PDF. Instant download; lifetime re-downloads.
Frequently Asked Questions
Is the M272 balance shaft gear issue addressed in this manual?
Yes. The M272 V6 used in the R350 has a well-documented balance shaft sprocket wear problem that can cause timing chain rattle and engine damage. This manual includes the full timing and balance shaft service procedure, replacement part specifications, and the torque values needed to complete the repair correctly.
Does this manual cover both the standard and long-wheelbase R350 variants?
Yes. Both the W251 (standard wheelbase) and V251 (extended wheelbase) body configurations sold in the US from 2007 to 2010 are covered. Dimensional differences in body, chassis, and interior fitting procedures are documented throughout the manual.
Are the 4MATIC all-wheel-drive components covered in detail?
Absolutely. The manual includes complete service procedures for the 4MATIC transfer case, front and rear differentials, driveshafts, and propeller shaft. Fluid specifications, removal/installation steps, and torque data are all included for AWD-equipped R350 models.
What format is the manual?
This manual is a fully searchable PDF. You can download it instantly after purchase, zoom into wiring diagrams and illustrations, print individual sections for use in the shop, and re-download it anytime at no extra charge.
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