Description
Factory Mercedes-AMG GLA 45 4Matic Workshop Manual (2015–2019)
This is the official factory-level service manual for the Mercedes-AMG GLA 45 4Matic, covering every X156-chassis model sold in North America and globally from 2015 through the final 2019 model year. Technician-grade procedures, torque specifications, and wiring diagrams are all included.
Powertrain & Drive Coverage
| Component | Variants Covered |
|---|---|
| Petrol | 2.0L M133 twin-scroll turbo inline-4 (375 hp) |
| Diesel | N/A |
| Transmissions | 7-speed AMG Speedshift DCT dual-clutch automatic |
| Drive | 4Matic AWD |
| Model Years | 2015, 2016, 2017, 2018, 2019 |
| Badge Twins | N/A |
Common GLA 45 Repairs Covered
| System | Procedures |
|---|---|
| M133 Engine | Water pump replacement — a known premature failure item on the M133; full removal and installation procedure with torque specs |
| DCT Transmission | Dual-clutch adaptation reset, fluid service, and shudder diagnosis at low-speed engagement |
| Turbocharger System | Boost leak inspection, charge pipe seal replacement, and wastegate actuator diagnostics |
| Suspension | Front control arm bushing replacement, wheel alignment specifications, and strut service procedures |
Format & Delivery
Dealer software. Instant download; lifetime re-downloads.
Frequently Asked Questions
Is the water pump really a common failure on the M133 GLA 45?
Yes — the M133 engine uses a belt-driven mechanical water pump that is widely documented as a premature failure point, often failing before 60,000 miles. This manual covers the complete replacement procedure, including coolant drain and refill specifications, accessory belt routing, and the correct torque values for reassembly.
Does this manual cover the X156 chassis shared with other GLA models?
The X156 platform underpins the entire first-generation GLA lineup, but this manual focuses specifically on the AMG GLA 45 4Matic variant with its M133 engine and AMG-specific drivetrain, suspension tuning, and performance electronics — not the standard GLA 250 or GLA 220d variants.
Are AMG-specific performance electronics and 4Matic AWD diagnostics included?
Yes. The manual includes diagnostic and repair procedures for the AMG drive mode selector, 4Matic transfer case and front differential control, AMG performance exhaust, and DCT-specific control modules — all using Mercedes factory diagnostic methodology.
What format is the manual?
This product is delivered as Mercedes dealer workshop software, compatible with Windows 11, 10, 8, 7, Vista, and XP, as well as Mac and Linux environments. It is not a static PDF — the software provides menu-driven navigation, searchable content by engine code, gearbox code, and model year, along with zoom-capable diagrams and integrated wiring schematics.
Reviews
There are no reviews yet.