Representative tool access paths for this exact model year, gated by the vehicle data and source packet we currently trust.
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2021-2026 Mercedes-Benz GLA Generation Guide
Mercedes-Benz GLA 2nd Gen H247 (2021-2026) ADAS Calibration & Module Programming
Covers model years 2021-2026 - one service guide for the whole generation.
Full ADAS calibration, module programming, and key security work for every Mercedes-Benz GLA built on this platform. Same-day mobile service across the Dallas/Fort Worth metroplex; mail-in accepted nationwide.
- Platform H247
- CAN Architecture -
- Security -
The ADAS, module, and security rows below are consolidated across the full 2021-2026 generation. A year badge marks rows that apply only to part of the span; rows without a badge apply to every year. Year-specific differences are summarized under “What changes across 2021-2026”.
OVERVIEW
Expert ADAS calibration, module programming, and diagnostic recovery for the 2021 Mercedes Benz GLA. On this vehicle we cover this H247 platform vehicle. Mobile across the DFW Metroplex, mail-in nationwide for module-bench work.
Platform
H247
Production
2015-present
Trim Levels
GLA-specific trim/service details require VIN and source review.
Drivetrain
FWD / AWD
Engine
-
CAN Speed
-
Tool access for this exact year
Factory scan, coding, and calibration access
Mercedes XENTRY Diagnosis / Mercedes DAS
Factory routines and secure server authorization control this path when aftermarket coverage is not enough for the VIN.
OEM subscription required
Make-level OEM tool map plus exact-year gateway and ADAS fields.
Know this platform
This platform uses ISO 15765-4 CAN.
- OBD
- ISO 15765-4 CAN
Generation service summary for Mercedes-Benz GLA 2nd Gen H247 (2021-2026)
Generation coverage
This page consolidates Mercedes-Benz GLA service data for 2021-2026 across 6 model years; 6 years have merged CCT data.
Choose a yearADAS coverage
ADAS equipment varies by year and trim; Core Auto Logic confirms exact sensor coverage by VIN.
View ADAS dataProgrammable modules
Module support is confirmed by VIN and part number when no merged module records are listed.
View modulesGateway and security
Gateway and immobilizer access is checked by VIN before programming or key service.
View securityCore Auto Logic capability
Core Auto Logic supports generation-level diagnostics, ADAS calibration, module programming, security-access planning, and mail-in bench work for the Mercedes-Benz GLA 2021-2026 span, with exact-year validation before service.
Get a quoteYear-by-year details
| Year | VIN split | Trim notes |
|---|---|---|
| 2021 | Verify exact GLA trim, drivetrain, engine, and installed safety systems by VIN before service. | GLA-specific trim/service details require VIN and source review. |
| 2022 | Verify exact GLA trim, drivetrain, engine, and installed safety systems by VIN before service. | GLA-specific trim/service details require VIN and source review. |
| 2023 | Verify exact GLA trim, drivetrain, engine, and installed safety systems by VIN before service. | GLA-specific trim/service details require VIN and source review. |
| 2024 | Verify exact GLA trim, drivetrain, engine, and installed safety systems by VIN before service. | GLA-specific trim/service details require VIN and source review. |
| 2025 | Verify exact GLA trim, drivetrain, engine, and installed safety systems by VIN before service. | GLA-specific trim/service details require VIN and source review. |
| 2026 | Verify exact GLA trim, drivetrain, engine, and installed safety systems by VIN before service. | GLA-specific trim/service details require VIN and source review. |
Filter by year
ADAS CALIBRATION MATRIX
ADAS systems on this vehicle
No ADAS systems documented for this vehicle.
Modules we program on this generation
Documented Mercedes-Benz GLA module coverage for 2021-2026. Open a group for part numbers, programming protocol, security notes, and clone support.
ARCHITECTURE & CONNECTIVITY
Architecture & Connectivity
- Body Construction
- Subcompact crossover unibody; verify repair and calibration procedure by VIN.
- OBD Protocol
- ISO 15765-4 CAN
WHAT WE RESOLVE
2nd Gen H247 (2021-2026) common module and ADAS issues
- VIN-specific diagnostics Known module, ADAS, and security issues for this span should be confirmed from VIN, DTCs, and part numbers before service.
FREQUENTLY ASKED QUESTIONS
FAQ
Can you program Mercedes-Benz GLA (2021-2026) modules?
Yes. Core Auto Logic supports generation-scoped module programming for the Mercedes-Benz GLA (2021-2026). Module support is confirmed by VIN before service. Rows marked with a year range apply only to that part of the span; unmarked rows are present across the merged generation data.
Which modules are documented for Mercedes-Benz GLA (2021-2026)?
The Mercedes-Benz GLA (2021-2026) generation currently shows 0 core module records. Part numbers and module variants must be confirmed for your exact year/VIN.
Does Mercedes-Benz GLA (2021-2026) need ADAS calibration after glass or collision work?
ADAS availability varies by trim and year. Calibration need depends on equipped sensors and repair event. Procedure type is VIN-specific scan-tool procedure; verify exact requirements by VIN before setup.
Can you reset the airbag module on Mercedes-Benz GLA (2021-2026)?
Yes. SRS crash-data service is confirmed from the part number and VIN. Bench reset, cloning, and replacement setup are handled after part-number review. Any SRS part number shown for this generation is planning data only - confirm for your exact year/VIN.
Do all Mercedes-Benz GLA (2021-2026) years use the same parts?
No assumption should be made across the full span. The generation page merges rows across 2021-2026; any row that does not span all data-bearing years is printed with its year range or treated as varies by year - verify by VIN. Part numbers always require exact year/VIN confirmation before ordering, cloning, or programming.
Can you program keys or immobilizer systems for Mercedes-Benz GLA (2021-2026)?
Yes, where the VIN and security workflow support it. Gateway and immobilizer access is verified before scheduling. Security access, all-keys-lost eligibility, and add-key workflows vary by year - verify by VIN.
How long does service take for Mercedes-Benz GLA (2021-2026)?
Most programming, cloning, SRS, and calibration jobs are quoted after VIN, DTC, part number, and repair-scope review. Labor time varies by year - verify by VIN before scheduling. Mail-in module work typically depends on module condition, donor data, and shipping window.
Is Mercedes-Benz GLA (2021-2026) service mobile or mail-in?
Both paths are available depending on the job. Mobile service covers DFW on-vehicle diagnostics, ADAS setup, key programming, and post-repair coding. Mail-in service covers ECU, BCM, SRS, TCU, ABS, and other bench module work nationwide. We confirm the correct path for your exact year/VIN before scheduling.
More GLA generations
1st Gen X156 2015-2020 2nd Gen H247 2021-2026 You are here