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9062CriticalSafety

9062 on 2014-2023 Mercedes-Benz CLA (CLA 200, CLA 220, CLA 250) — Airbag Device Control - Wrong/Incorrect Coding

1 vehicles · 1 makes · $80-$400 repair

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Most Reported On

2014-2023Mercedes-Benz CLACLA 200 +2

9062 is an OBD-II diagnostic trouble code meaning “Airbag Device Control - Wrong/Incorrect Coding.” 9062 is a Mercedes-Benz SRS (Supplemental Restraint System / airbag) control-unit fault code, titled "Device control airbag, wrong code," and corresponds to OBD-II code B1062. It indicates the airbag control module's coding/configuration does not match the airbag device(s) actually installed in the vehicle — typically logged after a control unit is swapped, replaced, or not properly coded to the vehicle, causing the SRS warning light to illuminate. This code is most commonly reported on 2014-2023 Mercedes-Benz CLA (CLA 200, CLA 220, CLA 250), with repair costs ranging from $80 to $400.

On This Page

  • Common Causes
  • Repair Cost
  • Vehicles (1)
  • Related Codes
  • FAQ
  • Sources (3)
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Common Causes

1Airbag/SRS control unit was replaced or swapped but not coded (SCN-coded) to the specific vehicle
2Control unit installed from a different model, year, or specification with mismatched variant coding
3Incorrect or incomplete software/variant coding after a repair or retrofit
4Mismatch between the control unit's stored configuration and the airbag/restraint hardware fitted (e.g., changed airbag or seat option)
5Corrupted control-unit memory or failed coding/initialization procedure
6Wiring/connector or component fault causing the module to read an unexpected device configuration

Typical Repair Cost

$80 - $400

Based on 1 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.

Diagnostic Tools

To diagnose 9062, you'll need an OBD-II scanner. Here are our recommendations at every price point.

Budget Pick$10–$20

ANCEL AD310 Classic OBD-II Scanner

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A simple, affordable code reader that reads and clears check engine codes. Great for quick diagnostics on any OBD-II vehicle (1996+).

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  • I/M readiness status
  • No batteries or app needed
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Best Value$90–$120

BlueDriver Pro Bluetooth Scanner

by BlueDriver

Bluetooth OBD-II scanner with a free companion app. Provides enhanced diagnostics, smog readiness, and repair reports sourced from a database of verified fixes.

  • Enhanced diagnostics (ABS, SRS, transmission)
  • Repair Reports with verified fixes
  • Smog check readiness
  • Free app (iOS & Android)
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Advanced$180–$230

LAUNCH CRP123X OBD-II Scanner

by LAUNCH

A professional-grade handheld scanner that reads all four major systems (engine, transmission, ABS, SRS) with live data streaming and graphing.

  • Engine, transmission, ABS, SRS diagnostics
  • Live data stream & graphing
  • AutoVIN for vehicle identification
  • Free lifetime updates via Wi-Fi
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Professional$350–$450

Autel MaxiCOM MK808S Diagnostic Tool

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Shop-level diagnostic tablet with bi-directional control, active tests, and full system coverage. Ideal for serious DIYers and small shops.

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Vehicles Affected (1)

Mercedes-Benz 9062 page →
CLAMinor

Auxiliary (Backup) Battery Malfunction Warning

2014-2023$80-$4000 reports

Related Codes (8)

B0100Electronic Frontal Sensor 1 MalfunctionB0101Electronic Frontal Sensor 2 MalfunctionB0102Electronic Side Sensor MalfunctionC1980Adaptive Cruise Control Sensor BlockedC1990Forward Collision Warning System FaultC1991Lane Departure Warning System FaultP2583Cruise Control Front Distance Range Sensor Single Sensor or CenterU1118Lost Communication (Manufacturer Specific - SRS)

FAQ

What does 9062 mean?

9062 stands for "Airbag Device Control - Wrong/Incorrect Coding." 9062 is a Mercedes-Benz SRS (Supplemental Restraint System / airbag) control-unit fault code, titled "Device control airbag, wrong code," and corresponds to OBD-II code B1062. It indicates the airbag control module's coding/configuration does not match the airbag device(s) actually installed in the vehicle — typically logged after a control unit is swapped, replaced, or not properly coded to the vehicle, causing the SRS warning light to illuminate.

What are the most common causes of 9062?

The most common causes of 9062 are: Airbag/SRS control unit was replaced or swapped but not coded (SCN-coded) to the specific vehicle, Control unit installed from a different model, year, or specification with mismatched variant coding, Incorrect or incomplete software/variant coding after a repair or retrofit, Mismatch between the control unit's stored configuration and the airbag/restraint hardware fitted (e.g., changed airbag or seat option), Corrupted control-unit memory or failed coding/initialization procedure, Wiring/connector or component fault causing the module to read an unexpected device configuration. The specific cause varies by vehicle.

How much does it cost to fix 9062?

Repair costs for 9062 range from $80 to $400, depending on the vehicle and root cause.

Which vehicles are affected by 9062?

Au7o has documented 9062 across 1 vehicle models from 1 manufacturers: Mercedes-Benz.

Sources (3)

  • ForumAuxiliary Battery Malfunction Message — Mercedes CLA Forum
  • ForumAuxiliary Battery Malfunction error — Mercedes CLA Forum
  • articleMercedes-Benz Auxiliary Battery Malfunction & How To Replace It — YOUCANIC

Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.

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