Description
Factory Mercedes GLC Class GLC250 4MATIC Workshop Manual (2016–2020)
This factory-level service manual delivers complete repair and maintenance data for the Mercedes-Benz GLC250 4MATIC — the sport utility and coupe variants sold across the US market from 2016 through 2020. Whether you’re tackling scheduled maintenance or complex diagnostics, this manual has you covered.
Powertrain & Drive Coverage
| Component | Variants Covered |
|---|---|
| Petrol | 2.0L M274 turbocharged four-cylinder (~211 hp) |
| Diesel | N/A |
| Transmissions | 9G-TRONIC nine-speed automatic |
| Drive | 4MATIC permanent AWD |
| Model Years | 2016, 2017, 2018, 2019, 2020 |
| Badge Twins | X253 (SUV), C253 (Coupe) |
Common GLC250 Repairs Covered
| System | Procedures |
|---|---|
| M274 Timing Chain | Timing chain tensioner inspection, replacement, and timing reset procedures — a known wear item on this engine family |
| 9G-TRONIC Transmission | Fluid and filter service, valve body diagnosis, adaptive reset after fluid change |
| Air Suspension / Ride Height | Airmatic compressor replacement, strut seal service, and ride-height calibration |
| Brake System | Electronic parking brake (EPB) retraction, pad and rotor replacement, brake fluid flush with bleed sequence |
Format & Delivery
PDF. Instant download; lifetime re-downloads.
Frequently Asked Questions
Does this manual cover both the GLC250 SUV and the GLC250 Coupe?
Yes. Both the X253 platform (standard SUV body) and the C253 platform (fastback Coupe body) are covered for all model years 2016–2020, including every GLC250 4MATIC trim level sold in the United States.
Is the M274 timing chain tensioner failure documented in this manual?
Absolutely. The M274 2.0L turbo engine is known for premature timing chain tensioner wear. This manual includes complete inspection criteria, tensioner and guide replacement steps, and the proper timing reset procedure to bring the engine back into factory specification.
Does the manual include wiring diagrams for the COMAND infotainment and ADAS systems?
Yes. Full electrical schematics are included, covering engine management, COMAND NTG5 infotainment, Active Brake Assist, Blind Spot Assist wiring harnesses, connector pinouts, wire color codes, and ground locations throughout the vehicle.
What format is the manual?
The manual is a PDF file delivered via instant download. It is fully searchable and compatible with Windows, Mac, Linux, iOS, and Android devices. Individual pages or complete chapters can be printed for use in the shop.
Reviews
There are no reviews yet.