Description
Factory Mercedes R Class R350 4Matic BlueEfficiency Workshop Manual (2012–2014)
This is the factory-level service manual for the Mercedes-Benz R350 4Matic BlueEfficiency built on the W251 platform, covering model years 2012 through 2014. US-market technicians and DIY owners get the same depth of repair data used by authorized Mercedes dealer workshops.
Powertrain & Drive Coverage
| Component | Variants Covered |
|---|---|
| Petrol | M276 DE35 3.5L V6 direct injection (approx. 306 hp) with BlueEfficiency package |
| Diesel | N/A for this variant |
| Transmissions | 7G-Tronic Plus 7-speed automatic |
| Drive | 4Matic permanent AWD |
| Model Years | 2012, 2013, 2014 |
| Badge Twins | N/A |
Common R Class R350 Repairs Covered
| System | Procedures |
|---|---|
| Air Suspension / AIRMATIC | Strut replacement, compressor diagnosis, ride-height sensor calibration |
| M276 Engine Timing | Camshaft adjuster solenoid service, timing chain tensioner inspection and replacement |
| 7G-Tronic Plus Transmission | Fluid and filter service, valve body removal, adaptation reset procedures |
| 4Matic Transfer Case | Front differential seal replacement, transfer case fluid service, AWD module diagnostics |
Format & Delivery
PDF. Instant download; lifetime re-downloads.
Frequently Asked Questions
Are both standard and long-wheelbase W251 body styles included?
Yes. The manual addresses all R350 4Matic BlueEfficiency body configurations produced on the W251 platform from 2012 to 2014, including standard and extended-wheelbase versions, covering chassis, body, and interior fitment procedures for both.
Does this cover the M276 timing chain — a known concern on this engine?
Yes. The M276 DE35 timing system is documented in full, including timing chain tensioner inspection, camshaft adjuster solenoid removal and replacement, torque specifications, and special tool requirements needed to keep valve timing accurate.
Are BlueEfficiency system components such as the ECO start-stop and energy recovery documented?
Yes. BlueEfficiency-specific components — including the enhanced alternator management, ECO idle-stop control module, and associated wiring — are covered with circuit diagrams, component locations, and diagnostic fault-finding steps.
What format is the manual?
The manual is a PDF file delivered via instant download. It is fully searchable, printable, and compatible with any standard PDF reader on Windows, Mac, tablet, or smartphone — so you can pull up procedures right at the vehicle.
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