Description
Factory Mercedes GLC Class GLC350d 4MATIC Workshop Manual (2016–2020)
This is the genuine factory-level workshop manual for the Mercedes-Benz GLC350d 4MATIC, covering model years 2016 through 2020 on the X253/C253 platform. US-market technicians and serious DIYers will find complete mechanical, electrical, and diagnostic procedures for every major system on this diesel SUV.
Powertrain & Drive Coverage
| Component | Variants Covered |
|---|---|
| Petrol | N/A |
| Diesel | 3.0L OM642 V6 Turbodiesel |
| Transmissions | 9G-TRONIC 9-speed automatic |
| Drive | 4MATIC AWD |
| Model Years | 2016, 2017, 2018, 2019, 2020 |
| Badge Twins | N/A |
Common GLC350d Repairs Covered
| System | Procedures |
|---|---|
| OM642 Swirl Flap / Intake Manifold | Removal, inspection, and replacement of intake manifold swirl flaps prone to failure on the OM642 engine |
| AdBlue / SCR System | DEF injector servicing, NOx sensor replacement, and SCR catalyst diagnostics |
| 9G-TRONIC Transmission | Fluid and filter service, valve body inspection, and shift quality fault diagnosis |
| 4MATIC Transfer Case & Driveshafts | Transfer case fluid service, front axle driveshaft boot and joint replacement procedures |
Format & Delivery
PDF. Instant download; lifetime re-downloads.
Frequently Asked Questions
Is the OM642 swirl flap failure covered in this manual?
Yes. The OM642 3.0L V6 turbodiesel is well known for swirl flap deterioration that can lead to debris entering the engine. This manual includes complete intake manifold removal and swirl flap replacement procedures along with torque specifications and inspection criteria.
Which chassis codes does this manual cover?
Coverage spans both the X253 (five-door SUV) and C253 (four-door GLC Coupe) chassis codes for the GLC350d 4MATIC across the 2016–2020 production run. All trim levels produced on these platforms during this period are included.
Are the 9G-TRONIC transmission service procedures included?
Absolutely. The manual provides full 9G-TRONIC coverage including fluid capacity specs, filter change intervals, mechatronic unit diagnostics, and complete teardown/reassembly torque data for the transmission paired with the 4MATIC drivetrain.
What format is the manual?
This manual is delivered as a PDF file. It is fully searchable, compatible with Windows, Mac, Linux, iOS, and Android devices, and can be printed page-by-page or in full sections for bench use.





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