Mercedes GLA Class X156 Workshop Manual 2014-2020

Description

Factory Mercedes GLA Class X156 Workshop Manual (2014–2020)

This is the official Mercedes-Benz dealer-level workshop software for the X156-chassis GLA Class, covering every production year from 2014 through 2020 — including both pre-facelift and post-facelift builds. US-market GLA owners get full factory procedures for diagnostics, repair, and scheduled service.

Powertrain & Drive Coverage

Component	Variants Covered
Petrol	M270 1.6L turbo (GLA 180, GLA 200), M270 2.0L turbo (GLA 250), M133 2.0L turbo up to 381 hp (AMG GLA 45)
Diesel	OM607 1.5L (GLA 180d), OM651 2.1L (GLA 200d, GLA 220d)
Transmissions	6-speed manual, 7-speed 7G-DCT dual-clutch automatic
Drive	FWD; 4MATIC AWD (select variants)
Model Years	2014, 2015, 2016, 2017, 2018, 2019, 2020
Badge Twins	N/A

Common GLA Class Repairs Covered

System	Procedures
7G-DCT Transmission	Dual-clutch pack inspection, fluid change, valve body removal and adaptation reset — known shudder issue on early X156 units
Engine Cooling	Thermostat replacement, coolant flush, water pump service for M270 engines prone to early coolant loss
Front Suspension	Front control arm bushing replacement, wheel bearing service, alignment specifications
Electrical / COMAND	Wiring diagrams, connector pinouts, ABS/ESP module diagnostics, infotainment system fault-finding

Format & Delivery

Dealer software. Instant download; lifetime re-downloads.

Frequently Asked Questions

Does this manual cover the AMG GLA 45?

Yes. The M133 2.0L turbocharged engine used in the AMG GLA 45 — producing up to 381 hp — is fully documented, including high-performance cooling system procedures, AMG-specific transmission calibration, and exhaust system service data.

Is 4MATIC AWD service included?

Absolutely. The manual covers the complete 4MATIC all-wheel-drive system fitted to GLA 250 4MATIC and AMG GLA 45 variants, including rear differential service, transfer case procedures, and driveshaft inspection intervals.

Does this cover the known 7G-DCT shudder problem?

Yes. The manual includes full dual-clutch transmission disassembly, clutch pack replacement, fluid specifications, and the adaptation reset procedure that Mercedes dealers use to address the low-speed shudder reported on early X156 production cars.

What format is the manual?

This is official Mercedes-Benz dealer workshop software — not a PDF. It runs on Windows 11, 10, 8, 7, Vista, and XP, as well as Mac and Linux, and features menu-driven navigation, search by engine code or gearbox code, zoom-in diagrams, and full wiring schematics.