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1st Gen H243 - 2022-2026 generation coverage
2022-2026 Mercedes-Benz EQA service guide ADAS Calibration & Module Programming
Choose a repair service below or find your module by part number. Onsite help is available in Dallas-Fort Worth, with mail-in module service nationwide.
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Choose a service to start your quote.
Find your module
30 documented Mercedes-Benz EQA module records across the 2022-2026 generation. Search by module name or part number, then open a result for requirements and repair options.
No matching records. Try a shorter part number or clear the filters. You can still request help if your module is not listed.
ECU / Engine
EVM - Electric Vehicle Motor Controller (EQA) Dealer security required
The secure gateway requires registered access.
Coverage and replacement notes
Documented years: 2022, 2023, 2024, 2025, 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Protocol / method
- XENTRY DAS
- Coding required
- Yes
- Cloning supported
- No
- Chip / MCU
- Bosch / Continental
- Notes
- Mercedes-Benz EQA electric drive controller on MFA2 EV platform. XENTRY/DAS programming required after replacement. HV de-energization mandatory. Dealer-level tool required for SGW security gateway bypass.
BMS - Battery Management System (EQA) Dealer security required
The secure gateway requires registered access.
Coverage and replacement notes
Documented years: 2022, 2023, 2024, 2025, 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Protocol / method
- XENTRY DAS
- Coding required
- Yes
- Cloning supported
- No
- Chip / MCU
- Continental
- Notes
- Mercedes-Benz EQA HV battery management. XENTRY/DAS coding + battery calibration. HV de-energization mandatory. Mercedes HV technician required.
TCM / Transmission
N/A - Single Speed / No TCU Verify by VIN 2022-2023
Documented for 2022-2023 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2022, 2023
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Protocol / method
- Virgin Flash
- Coding required
- No
- Cloning supported
- No
- Chip / MCU
- N/A
- Notes
- Pure electric vehicle with single-speed transmission - no traditional TCU/TCM present
N/A - Single Speed / No TCU Verify by VIN 2024-2025
Documented for 2024-2025 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2024, 2025
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Protocol / method
- Virgin Flash
- Coding required
- No
- Cloning supported
- No
- Chip / MCU
- N/A
- Notes
- Pure electric vehicle with single-speed reduction gearbox. No traditional TCU present - motor control handled by inverter ECU.
N/A - Single Speed / No TCU Verify by VIN 2026
Documented for 2026 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Protocol / method
- Virgin Flash
- Coding required
- No
- Cloning supported
- No
- Chip / MCU
- N/A
- Notes
- Pure electric vehicle with single-speed transmission, no traditional TCU present
N/A - Single Speed / No TCU Verify by VIN 2022-2023
Documented for 2022-2023 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2022, 2023
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Protocol / method
- Virgin
- Coding required
- No
- Cloning supported
- No
- Chip / MCU
- N/A
- Notes
- Pure electric vehicle with single-speed transmission - no traditional TCU/TCM present
N/A - Single Speed / No TCU Verify by VIN 2024-2025
Documented for 2024-2025 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2024, 2025
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Protocol / method
- Virgin
- Coding required
- No
- Cloning supported
- No
- Chip / MCU
- N/A
- Notes
- Pure electric vehicle with single-speed reduction gearbox. No traditional TCU present - motor control handled by inverter ECU.
N/A - Single Speed / No TCU Verify by VIN 2026
Documented for 2026 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Protocol / method
- Virgin
- Coding required
- No
- Cloning supported
- No
- Chip / MCU
- N/A
- Notes
- Pure electric vehicle with single-speed transmission, no traditional TCU present
BCM / Body electronics
SAM - Signal Acquisition Module (EQA) Dealer security required
The secure gateway requires registered access.
Coverage and replacement notes
Documented years: 2022, 2023, 2024, 2025, 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Security
- Mercedes-Benz AUTOSAR rolling code
- Coding required
- Yes
- Cloning supported
- No
- Notes
- Mercedes-Benz EQA SAM manages body functions, exterior lighting, and central body electronics. XENTRY/DAS SCN coding required after replacement. Dealer PIN/security token may be required for certain functions.
SRS / Airbag
Airbag Control Unit (ACU) (EQA MFA2) 2 records
Under center console, floor tunnel
Documented for 2022-2025 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2022, 2023, 2024, 2025
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- A2539001900
- Location
- Under center console, floor tunnel
- Manufacturer
- Bosch / Continental
- Notes
- Replace-only after deployment. XENTRY/DAS coding and SCN coding required. Full Mercedes-Benz post-collision SRS protocol.
Under center console, floor tunnel
Documented for 2026 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- A2479012500
- Location
- Under center console, floor tunnel
- Manufacturer
- Bosch / Continental
- Notes
- Replace-only after deployment. XENTRY/DAS coding and SCN coding required. Full Mercedes-Benz post-collision SRS protocol.
SRS-ECU 5 records
Under center console, floor tunnel
Documented for 2022-2025 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2022, 2023, 2024, 2025
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- A2539001900
- Location
- Under center console, floor tunnel
- Chip / MCU
- 24C16
- Notes
- OEM part A2539001900. Memory chip: 24C16. Crash data clear supported.
Under center console, floor tunnel
Documented for 2022-2025 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2022, 2023, 2024, 2025
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- A2539002000
- Location
- Under center console, floor tunnel
- Chip / MCU
- 24C16
- Notes
- OEM part A2539002000. Memory chip: 24C16. Crash data clear supported.
Under center console, floor tunnel
Documented for 2022-2025 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2022, 2023, 2024, 2025
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- A2539002100
- Location
- Under center console, floor tunnel
- Chip / MCU
- 24C16
- Notes
- OEM part A2539002100 (verify fitment via VIN). Memory chip: 24C16. Crash data clear supported.
Under center console, floor tunnel
Documented for 2026 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- A2479012500
- Location
- Under center console, floor tunnel
- Notes
- OEM part A2479012500 (verify fitment via VIN).
Under center console, floor tunnel
Documented for 2026 within this generation. Confirm the exact vehicle by VIN.
Coverage and replacement notes
Documented years: 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- A2479012600
- Location
- Under center console, floor tunnel
- Notes
- OEM part A2479012600 (verify fitment via VIN).
ABS / Brakes
ESP - Electronic Stability Program / ABS (EQA MFA2) Dealer security required
The secure gateway requires registered access.
Coverage and replacement notes
Documented years: 2022, 2023, 2024, 2025, 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Cloning supported
- No
- Notes
- Mercedes-Benz EQA MFA2 ESP/ABS module. XENTRY/DAS coding required. Steering angle sensor recalibration. Post-replacement: brake functional test via XENTRY.
Other modules
Instrument Panel Cluster (IPC) Dealer security required A 243 900 88 00
The secure gateway requires registered access.
Coverage and replacement notes
Documented years: 2022, 2023, 2024, 2025, 2026
Donor must match part family A 243 900 88 00 - requires cloning
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Part number
- A 243 900 88 00
- Cloning supported
- Yes
- Notes
- IPC cloning required for mileage preservation during replacement. Use Launch advanced programming tool or EEPROM programming tool for EEPROM read/write.
Steering Angle Sensor (SAS) Dealer security required
The secure gateway requires registered access.
Coverage and replacement notes
Documented years: 2022, 2023, 2024, 2025, 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Coding required
- Yes
- Notes
- INTEGRATED (SRM clock spring)
Connectivity / Accessories
MBUX Dual 10.25" Display (EQA) Dealer security required
The secure gateway requires registered access.
Coverage and replacement notes
Documented years: 2022, 2023, 2024, 2025, 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Notes
- Mercedes-Benz EQA MBUX dual 10.25" screens. XENTRY SCN coding after display or COMAND unit replacement.
Mercedes me OTA / Connectivity (EQA) Dealer security required
The secure gateway requires registered access.
Coverage and replacement notes
Documented years: 2022, 2023, 2024, 2025, 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Notes
- Mercedes me OTA updates via built-in LTE. XENTRY re-registration after TCU replacement.
AC OBC / DC Fast Charging (EQA) Dealer security required
The secure gateway requires registered access.
Coverage and replacement notes
Documented years: 2022, 2023, 2024, 2025, 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Notes
- OBC and DC fast charging system. HV de-energization mandatory before charging system work. XENTRY coding after charger module replacement.
Reference information for 2022-2026. Coverage can vary by year and equipment. Confirm the VIN and full part number before ordering a replacement.
Vehicle overview
- Vehicle
- Mercedes-Benz EQA
- Model years
- 2022-2026
- Generation
- 1st Gen H243
- Platform
- H243 (MFA2)
Tools we use for this vehicle
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.
Security gateway access required No practical workaround
ADAS scan, setup, and verification
Autel, Launch Tech, Topdon
Used where aftermarket coverage supports the procedure; OEM software remains required for locked factory routines.
Bench cloning and chip-level recovery
Alientech / Autotuner / Orange5 / Scanmatik / Flex / VVDI2 / PCMFlash / CGDI / X-Prog
Used only when the module, donor data, EEPROM, MCU, or crash-data workflow requires bench or chip-level handling.
Bench/chip-level only
Tool requirements
Basic OBD2 scanner
View capabilities and limitations
Supported work
- Read codes on SRS systems (7 documented rows)
- Read codes on ECU systems (2 documented rows)
- Read codes on BCM systems (1 documented row)
- Read codes on TCU / TCM systems (6 documented rows)
- Read codes on ABS systems (1 documented row)
- Read codes on IPC / SAS systems (2 documented rows)
- Read codes on Gateway systems (8 documented rows)
- Read codes on Keys systems (2 documented rows)
- Read codes on Immobilizer systems (1 documented row)
- Read codes on Accessory systems (3 documented rows)
Limitations
- ECU programming, coding, cloning, or security work (2 documented rows)
- BCM programming, coding, cloning, or security work (1 documented row)
- ABS programming, coding, cloning, or security work (1 documented row)
- IPC / SAS programming, coding, cloning, or security work (2 documented rows)
- Gateway programming, coding, cloning, or security work (8 documented rows)
- Keys programming, coding, cloning, or security work (2 documented rows)
- Immobilizer programming, coding, cloning, or security work (1 documented row)
- Accessory programming, coding, cloning, or security work (3 documented rows)
Factory programming software (J2534)
View capabilities and limitations
Supported work
- Factory scan, coding, and calibration access: Factory routines and secure server authorization control this path when aftermarket coverage is not enough for the VIN.
Dealer or specialist
View capabilities and limitations
Supported work
- ECU dealer security rows (2 documented rows)
- BCM dealer security rows (1 documented row)
- ABS dealer security rows (1 documented row)
- IPC / SAS dealer security rows (2 documented rows)
- Gateway dealer security rows (8 documented rows)
- Keys dealer security rows (2 documented rows)
- Immobilizer dealer security rows (1 documented row)
- Accessory dealer security rows (3 documented rows)
Dealer security and specialist module work should be scoped by VIN before you buy parts or pay for programming.
Get a QuoteKnow this platform
This platform uses HS-CAN + CANFD; Mercedes-Benz AUTOSAR network; OBD2 DLC Pin 6/14 with ISO 15765-4 CAN (500 kbps). The gateway requires registered tool access.
- CAN
- HS-CAN + CANFD; Mercedes-Benz AUTOSAR network; OBD2 DLC Pin 6/14
- OBD
- ISO 15765-4 CAN (500 kbps)
- Gateway
- Mercedes-Benz diagnostic firewall / central gateway
OPENPILOT / COMMA.AI
Openpilot Compatibility
Not Supported
Not supported - mercedes-benz not in openpilot support tree
Not in openpilot support tree as of April 2026. Mercedes-Benz not in openpilot support tree. Sprinter and passenger cars not ported.
Generation service summary for Mercedes-Benz EQA 1st Gen H243 (2022-2026)
Generation coverage
This page consolidates Mercedes-Benz EQA service data for 2022-2026 across 5 model years; service information is available for 5 years.
Choose a yearADAS coverage
Merged ADAS coverage includes 5 system records, including Forward Camera (Mobileye EyeQ4) - EQA MFA2, Forward Radar (77GHz) - Continental ARS (EQA), Blind Spot Monitor / Active BSD (EQA), and Rear View Camera (EQA). Year-marked systems apply only to the shown range.
View ADAS dataCalibration triggers
This generation has 5 merged calibration trigger records. Trigger applicability can vary by year - verify by VIN before setup.
View triggersProgrammable modules
The merged generation page indexes 30 programmable module records across SRS, ECU, BCM, TCU/TCM, ABS, IPC coverage. Part numbers are confirmed for the exact year/VIN.
View modulesCore Auto Logic capability
Core Auto Logic supports generation-level diagnostics, ADAS calibration, module programming, and security-access planning for the Mercedes-Benz EQA 2022-2026 span, with exact-year validation before service. Mail-in module service is available nationwide.
Get a quoteDo I need calibration?
Windshield Replacement 4
EQA Forward Camera
2022-2026required
XENTRY static calibration required. OEM glass mandatory for accurate calibration.
LKA
2022-2026required
XENTRY static calibration required. OEM glass mandatory for accurate calibration.
FCW
2022-2026required
XENTRY static calibration required. OEM glass mandatory for accurate calibration.
AEB
2022-2026required
XENTRY static calibration required. OEM glass mandatory for accurate calibration.
Front Bumper Repair or Replacement 1
Forward Radar (DISTRONIC ACC / AEB)
2022-2026required
XENTRY radar alignment required. Level surface. Verify ACC and AEB post-calibration.
Rear Bumper Repair or Replacement 2
Blind Spot Monitor / BSD
2022-2026required
XENTRY BSD coding and static calibration after rear bumper work.
Rear Cross-Traffic
2022-2026required
XENTRY BSD coding and static calibration after rear bumper work.
Mirror Replacement 1
Surround View Cameras (if fitted)
2022-2026required
XENTRY surround view camera calibration per replaced camera.
Any Collision 3
ACU
2022-2026required
Full XENTRY scan. ACU replace-only after airbag deployment. All affected sensors recalibrated.
Forward Camera
2022-2026required
Full XENTRY scan. ACU replace-only after airbag deployment. All affected sensors recalibrated.
Radars
2022-2026required
Full XENTRY scan. ACU replace-only after airbag deployment. All affected sensors recalibrated.
Year-by-year details
| Year | Trim notes |
|---|---|
| 2022 | Trim variants may affect available driver-assist features. AMG and Maybach trims may require additional XENTRY modules. |
| 2023 | Trim variants may affect available driver-assist features. AMG and Maybach trims may require additional XENTRY modules. |
| 2024 | Trim variants may affect available driver-assist features. AMG and Maybach trims may require additional XENTRY modules. |
| 2025 | Trim variants may affect available driver-assist features. AMG and Maybach trims may require additional XENTRY modules. |
| 2026 | Trim variants may affect available driver-assist features. AMG and Maybach trims may require additional XENTRY modules. |
5 ADAS systems documented across the 2022-2026 generation. Rows that apply to only part of the generation carries a year badge.
Filter by year
ADAS CALIBRATION MATRIX
ADAS systems on this vehicle
Mercedes-Benz Driving Assistance Package: DISTRONIC Adaptive Cruise Control, Active Lane Keep, Active Brake Assist, PRE-SAFE; optional Parking Package with 360 camera
Scroll for part numbers and Details
| System | Type | Category | Cal. Type | Supported | Part # | Actions |
|---|---|---|---|---|---|---|
| Forward Camera (Mobileye EyeQ4) - EQA MFA2 | Forward Camera | Camera | Static | YES | - | |
| Forward Radar (77GHz) - Continental ARS (EQA) | Front Radar | Radar | Static + Dynamic | YES | - | |
| Blind Spot Monitor / Active BSD (EQA) | Side Radar | Radar | Static + Dynamic | YES | - | |
| Rear View Camera (EQA) | Rear Camera | Camera | Static | YES | - | |
| Park Distance Control (PDC) (EQA) | Ultrasonic | Ultrasonic | None | YES | - |
ADAS SYSTEM
YES Supported
Identification
- System type
- Module category
- Sensor location
Part Numbers
- OEM
- Alternative
Calibration & Triggers
- Calibration type
- Programming approach
- Requires PMI
- Trigger events
Technical Notes
- Chip / MCU
- Service notes
Need this calibrated?
Get a quote for ADAS calibration WHEN IS CALIBRATION REQUIRED?
Triggers for ADAS recalibration
Windshield Replacement Affected: EQA Forward Camera, LKA, FCW, AEB
XENTRY static calibration required. OEM glass mandatory for accurate calibration.
Front Bumper Repair or Replacement Affected: Forward Radar (DISTRONIC ACC / AEB)
XENTRY radar alignment required. Level surface. Verify ACC and AEB post-calibration.
Rear Bumper Repair or Replacement Affected: Blind Spot Monitor / BSD, Rear Cross-Traffic
XENTRY BSD coding and static calibration after rear bumper work.
Mirror Replacement Affected: Surround View Cameras (if fitted)
XENTRY surround view camera calibration per replaced camera.
Any Collision Affected: ACU, Forward Camera, Radars
Full XENTRY scan. ACU replace-only after airbag deployment. All affected sensors recalibrated.
11 gateway, immobilizer, and security items documented across the 2022-2026 generation.
Gateway / Security Modules
Central Gateway Module 8 records
Module information indicates immobilizer or VIN security.
Coverage and replacement notes
Documented years: 2022, 2023, 2024, 2025, 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Manufacturer
- Renesas
- Security
- VIN-locked (UDS)
- VIN locked
- Yes
- Coding required
- Yes
- Chip / MCU
- D70F3373
- Notes
- Compatibility label: S400 W221. Door control box Notes: Read/Write
Module information indicates immobilizer or VIN security.
Coverage and replacement notes
Documented years: 2022, 2023, 2024, 2025, 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Manufacturer
- Renesas
- Security
- VIN-locked (UDS)
- VIN locked
- Yes
- Coding required
- Yes
- Chip / MCU
- D70F3372
- Notes
- Compatibility label: A164. KG intelligent computer Notes: 315 MHz KG intelligent computer Notes: 433 MHz
Module information indicates immobilizer or VIN security.
Coverage and replacement notes
Documented years: 2022, 2023, 2024, 2025, 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Manufacturer
- Renesas
- Security
- VIN-locked (UDS)
- VIN locked
- Yes
- Coding required
- Yes
- Chip / MCU
- D70F3372
- Notes
- Compatibility label: A166. KG intelligent computer Notes: 315 MHz
Module information indicates immobilizer or VIN security.
Coverage and replacement notes
Documented years: 2022, 2023, 2024, 2025, 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Manufacturer
- Renesas
- Security
- VIN-locked (UDS)
- VIN locked
- Yes
- Coding required
- Yes
- Chip / MCU
- D70F3372
- Notes
- Compatibility label: A211. KG intelligent computer Notes: 433 MHz
Module information indicates immobilizer or VIN security.
Coverage and replacement notes
Documented years: 2022, 2023, 2024, 2025, 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Manufacturer
- Renesas
- Security
- VIN-locked (UDS)
- VIN locked
- Yes
- Coding required
- Yes
- Chip / MCU
- D70F3624
- Notes
- Compatibility label: A212. KG intelligent computer Notes: 315 MHz
Module information indicates immobilizer or VIN security.
Coverage and replacement notes
Documented years: 2022, 2023, 2024, 2025, 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Manufacturer
- Renesas
- Security
- VIN-locked (UDS)
- VIN locked
- Yes
- Coding required
- Yes
- Chip / MCU
- D70F3624
- Notes
- Compatibility label: C200 A212. KG intelligent computer Notes: Read/Write
Module information indicates immobilizer or VIN security.
Coverage and replacement notes
Documented years: 2022, 2023, 2024, 2025, 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Manufacturer
- Renesas
- Security
- VIN-locked (UDS)
- VIN locked
- Yes
- Coding required
- Yes
- Chip / MCU
- D70F3372
- Notes
- KG intelligent computer Notes: Read/Write
Module information indicates immobilizer or VIN security.
Coverage and replacement notes
Documented years: 2022, 2023, 2024, 2025, 2026
Year coverage is not proof of interchangeability. Confirm the full part number and vehicle configuration before buying a used module.
- Security
- VIN-locked (UDS)
- VIN locked
- Yes
- Coding required
- Yes
- Chip / MCU
- D70F3372(read-write)
- Notes
- Compatibility label: General model. Central gateway routes CAN/CAN-FD/Ethernet between module domains. Replacement requires VIN write and as-built configuration load via OEM software (ODIS, FDRS, DTS Monaco, etc.).
ARCHITECTURE & CONNECTIVITY
Architecture & Connectivity
- Body Construction
- High-strength steel unibody; aluminum hood/trunk lid
- OBD Protocol
- ISO 15765-4 CAN (500 kbps)
- CAN Architecture
- HS-CAN + CANFD; Mercedes-Benz AUTOSAR network; OBD2 DLC Pin 6/14
- Infotainment
- Mercedes-Benz MBUX; dual 10.25" screens; Mercedes me OTA
- OTA Capable
- Yes
- Gateway Type
- Mercedes-Benz diagnostic firewall / central gateway
- Gateway Bypass Method
- XENTRY/Daimler authorized diagnostic access
- ECU/TCM Unlocking
- Contact us
- ECU/TCM Flashing
- Contact us
WHAT WE RESOLVE
1st Gen H243 (2022-2026) common module and ADAS issues
- ADAS calibration drift Watch for calibration needs after windshield, bumper, suspension, camera, or radar work. Documented systems include Forward Camera (Mobileye EyeQ4) - EQA MFA2, Forward Radar (77GHz) - Continental ARS (EQA), Blind Spot Monitor / Active BSD (EQA), and Rear View Camera (EQA). Year-marked systems apply only to the shown range.
- SRS crash-data and warning light SRS service can involve Airbag Control Unit (ACU) (EQA MFA2) (2022-2025), SRS-ECU (2022-2025), and Airbag Control Unit (ACU) (EQA MFA2) (2026). Part numbers and crash-data workflow are confirmed for the exact year/VIN.
- Replacement module setup ECU/PCM replacement programming, BCM configuration, TCU/TCM cloning, ABS/EBCM setup are represented in the merged generation data. Rows with year ranges do not apply to every model year; verify by VIN.
FREQUENTLY ASKED QUESTIONS
FAQ
Can you program Mercedes-Benz EQA (2022-2026) modules?
Yes. Core Auto Logic supports generation-scoped module programming for the Mercedes-Benz EQA (2022-2026). The merged generation data includes ECU/PCM, BCM, TCU/TCM, ABS/EBCM, and SRS coverage. 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 EQA (2022-2026)?
The Mercedes-Benz EQA (2022-2026) generation currently shows 17 core module records across ECU/PCM, BCM, TCU/TCM, ABS/EBCM, and SRS groups. SRS modules include Airbag Control Unit (ACU) (EQA MFA2) (2022-2025), SRS-ECU (2022-2025), and Airbag Control Unit (ACU) (EQA MFA2) (2026). Part numbers and module variants must be confirmed for your exact year/VIN. Reference part number: A2539001900 (2022-2025) - confirm for your exact year/VIN.
Does Mercedes-Benz EQA (2022-2026) need ADAS calibration after glass or collision work?
The merged generation data documents 5 ADAS systems, including Forward Camera (Mobileye EyeQ4) - EQA MFA2, Forward Radar (77GHz) - Continental ARS (EQA), Blind Spot Monitor / Active BSD (EQA), Rear View Camera (EQA), and Park Distance Control (PDC) (EQA). Calibration triggers include Windshield Replacement, Front Bumper Repair or Replacement, Rear Bumper Repair or Replacement, and Mirror Replacement. Procedure type is VIN-specific scan-tool procedure; verify exact requirements by VIN before setup.
Can you reset the airbag module on Mercedes-Benz EQA (2022-2026)?
Yes. The generation data includes 7 SRS records, including Airbag Control Unit (ACU) (EQA MFA2) (2022-2025), SRS-ECU (2022-2025), and Airbag Control Unit (ACU) (EQA MFA2) (2026). 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. Reference part number: A2539001900 (2022-2025) - confirm for your exact year/VIN.
Do all Mercedes-Benz EQA (2022-2026) years use the same parts?
No assumption should be made across the full span. The generation page merges rows across 2022-2026; 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.
How long does service take for Mercedes-Benz EQA (2022-2026)?
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 service is available nationwide. Exact service eligibility is confirmed from the year, VIN, module, and requested scope.
Is Mercedes-Benz EQA (2022-2026) service mobile or mail-in?
Mobile service covers DFW on-vehicle diagnostics, post-repair coding, and supported module work. Mail-in module service is available nationwide. We confirm the active path for your exact year, VIN, module, and requested scope before service.
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1st Gen H243 2022-2026 You are here
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