Mercedes W212 airbag module reset service — A2129011105
Mail-in crash-data reset for the Mercedes W212 SRS airbag control module A2129011105. After a collision the module stores crash data and keeps the airbag warning light on; we clear that data, test the module and return it ready to fit.
Overview
This is a mail-in service for your existing Mercedes W212 SRS airbag control module, part number A2129011105. You post the module only — not the vehicle; it is serviced, checked and returned to you with tracking. It is not the sale of a replacement module.
Compatibility
We reset the Mercedes W212 SRS airbag control module with part number A2129011105. Exact vehicle fitment is confirmed from the number printed on your module — send us a clear photo of the label and we will confirm before you post it.
Exact vehicle fitment has not been confirmed for this part number — send us a label photo and we will confirm.
What this service covers
- Clearing stored crash data from the SRS control module
- Full function test of the module after the reset
- Tracked return delivery to your Australian address
What it does not cover
- Deployed airbags, seat-belt pretensioners, crash sensors, clock springs, wiring, connector or voltage faults in the vehicle
- Modules with water, fire or physical damage
- Modules whose printed part number does not match the number on this page
- Certifying roadworthiness or airbag deployment — a reset clears stored crash data only
How the mail-in service works
- Confirm the part number on your module matches this page (send a label photo if unsure).
- Remove the module using the manufacturer's procedure and post it to SRS RESET in Campbellfield, Melbourne — module only.
- Typical turnaround is 1–2 business days after we receive the module.
- After the serviced module is correctly refitted, the SRS warning light may clear provided no other SRS faults remain in the vehicle.
Safe removal & refit
- SRS/airbag systems are safety-critical. Follow the vehicle manufacturer's workshop procedure for removal and refitting.
- Isolate vehicle power as specified by the manufacturer and observe the manufacturer-specified depower waiting period before working on SRS components.
- Do not probe, bridge, bypass, trigger or emulate SRS circuits or components. If you are unsure of the correct procedure, use a qualified technician.
After installation
- Reconnect and refit the module correctly, then scan the SRS/vehicle system.
- Any remaining faults in airbags, pretensioners, sensors, wiring, connectors, voltage supply or other vehicle components must be diagnosed and rectified separately.
- Clear fault codes only after the underlying faults have been corrected.
Turnaround & postage
Typical turnaround is 1–2 business days after we receive the module. Return postage is included for Australian addresses unless the listing says otherwise. Use a tracked service.
Confirm before ordering
The number printed on your original module is the primary compatibility check. Message us a clear photo of the complete module label, including the printed part number and any visible reference codes, and we will compare the available evidence before confirming support.
Returns & support
Returns and support are handled under the policies shown on the listing and applicable Australian Consumer Law.
Frequently asked questions
Which Mercedes W212 vehicles does airbag module A2129011105 fit?
We reset the Mercedes W212 SRS airbag control module with part number A2129011105. Exact vehicle fitment is confirmed from the number printed on your module — send us a clear photo of the label and we will confirm before you post it.
How does the mail-in reset service for A2129011105 work?
1. Confirm the part number on your module matches this page (send a label photo if unsure). 2. Remove the module using the manufacturer's procedure and post it to SRS RESET in Campbellfield, Melbourne — module only. 3. Typical turnaround is 1–2 business days after we receive the module. 4. After the serviced module is correctly refitted, the SRS warning light may clear provided no other SRS faults remain in the vehicle.
What does the A2129011105 airbag module reset service cover?
Clearing stored crash data from the SRS control module; Full function test of the module after the reset; Tracked return delivery to your Australian address
What is not covered by the A2129011105 reset service?
Deployed airbags, seat-belt pretensioners, crash sensors, clock springs, wiring, connector or voltage faults in the vehicle; Modules with water, fire or physical damage; Modules whose printed part number does not match the number on this page; Certifying roadworthiness or airbag deployment — a reset clears stored crash data only
How long does the A2129011105 reset take and how is it posted back?
Typical turnaround is 1–2 business days after we receive the module. Return postage is included for Australian addresses unless the listing says otherwise. Use a tracked service.
How do I make sure A2129011105 is the right part number for my Mercedes W212?
The number printed on your original module is the primary compatibility check. Message us a clear photo of the complete module label, including the printed part number and any visible reference codes, and we will compare the available evidence before confirming support.
Not sure this is your module?
Send a photo of the label on your Mercedes W212 airbag module and we will confirm the part number and quote within the hour.
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