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Airbag24

Mercedes-Benz S-Class W222 Saloon airbag control unit repair

Mercedes-Benz S-Class W222 Saloon airbag control unit repair at Airbag24

Airbag24 repairs defective airbag control units professionally and affordably. Both private customers and workshops can order without registration and benefit from fast processing, 2 years' statutory liability for defects and plug&play installation.

Airbag24 works with state-of-the-art diagnostic technology and specialised repair processes. Because defective control units often involve only individual components, a professional overhaul can be considerably cheaper than buying new.

Our advantages: no registration required, a direct online ordering process for B2B and B2C customers, express shipping and comprehensive quality testing. The repaired control unit works like a new part.

Repair type

Which repair matches your fault code?

incl. VAT plus shipping

Not sure? Just send us an enquiry or give us a call — we're happy to advise you.

4.8
Google reviews of our shop(233)

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Matching part numbers

Your part number isn't listed? The list isn't complete – we can usually repair it anyway. Simply create a repair order, or ask us first.

Repair time

Our estimated repair time for this product is about: 3–4 business days

Which repair matches your fault code?

Below your code you can see what needs to be done.

We can only tell in our workshop whether your unit is defective and can be repaired.

Your error code isn't listed? The list isn't complete – we can usually repair it anyway. Simply create a repair order, or ask us first.

Specifications

Make
Mercedes-Benz
Model
Mercedes-Benz S-Class
Series
W222 Saloon (2013-2020)
Mercedes-Benz S-Class W222 Saloon (2013-2020)
Photo: Ethan Llamas · CC BY-SA 4.0 · cropped

Shipping & repair from Germany

Airbag24 repairs your component in Berlin — usually within 3–4 working days.

Standard shipping within Germany is free; we normally return your part by UPS.

You pay for and insure the inbound shipment to us. On explicit request we ship by express — the extra cost is borne by the customer.

If you withdraw from the contract, you bear the cost of returning the item.

Google reviews

4.8
Based on 233 reviewsView all reviews →

What is a Mercedes-Benz S-Class W222 Saloon airbag control unit?

The Mercedes-Benz S-Class W222 Saloon airbag control unit is the central safety unit that activates all occupant restraint systems, such as airbags and seat belt pretensioners, within seconds in the event of an accident. It continuously monitors all associated sensors, stores important crash data for analysis, and ensures the correct functioning of all passive safety systems in your vehicle.

This essential component is responsible for the precise detection of an impact situation and the timely activation of the safety devices.

Proper functioning of the control unit is essential for your safety and compliance with legal requirements in road traffic.

Why is the Mercedes-Benz S-Class W222 Saloon airbag control unit defective?

A Mercedes-Benz S-Class W222 Saloon airbag control unit often fails due to internal electronic errors, overvoltage, or a crash, which impairs safety functionality and causes the airbag warning light to illuminate. Repairing the Mercedes-Benz S-Class W222 Saloon airbag control unit is essential to restore full functionality and avoid safety risks.

Common causes of failure include internal memory errors that can occur after an accident or general aging of the sensitive electronics.

Malfunctions in the vehicle electrical system, corrosion on the connections or water damage can also cause your airbag control unit to break down.

A defective control unit prevents the airbags from being deployed in an emergency and must be repaired or replaced immediately to ensure vehicle safety.

Common error codes for Mercedes-Benz S-Class W222 Saloon airbag control unit repair

During diagnostics for the Mercedes-Benz S-Class W222 Saloon airbag control unit repair, specific error codes may occur that indicate internal problems or communication issues within the control unit. These codes help identify the exact defect and prepare for a targeted repair or replacement to restore safety.

  • B1000 : Control unit communication error → Signal transmission disrupted → Defect on the CAN bus or internally in the control unit.
  • B1003 : Airbag control unit internal error → Internal system malfunction → Hardware or software problem in the control unit.
  • B119C : Airbag control unit error (unspecified) → General system error → Internal defect, requires deeper diagnosis.
  • B1600 : Airbag control unit error / SRS lamp on → warning lamp active → system error of the airbag module.
  • B2D92 : Control unit defective → Critical hardware damage → Internal total damage of the component.
  • AD67 : SRS control unit defective (internal error) → System failure → Unrecoverable internal error in the control unit.
  • 9004 : Airbag control unit voltage too high → Excessive voltage supply → Problem with the vehicle electrical system or internal voltage regulator.
  • U0511 : Communication error with airbag control unit (CAN bus) → Data flow interrupted → Connection problem to the control unit via the CAN bus.

What part numbers are available for the Mercedes-Benz S-Class W222 Saloon airbag control unit repair?

For Mercedes-Benz S-Class W222 Saloon airbag control unit repairs, several specific OEM part numbers are relevant to ensure exact compatibility with your vehicle model. These numbers identify the correct replacement part and are crucial for successfully repairing the safety features and preventing further problems.

  • A2229000303 → Mercedes-Benz → Original airbag control unit for W222 Saloon.
  • A2229009908 → Mercedes-Benz → Original airbag control unit for W222 Saloon.
  • A2229024709 → Mercedes-Benz → Replacement or alternative part number for W222 Saloon.
  • A2229013503 → Mercedes-Benz → Alternative part number for W222 Saloon.
  • A2229012601 → Continental → OEM supplier part number, compatible with W222 Saloon.

Which models are compatible with the Mercedes-Benz S-Class W222 Saloon airbag control unit repair?

The Mercedes-Benz S-Class W222 Saloon airbag control unit repair only applies to models of the S-Class W222 Saloon series from 2013 to 2020, including sedan, long-wheelbase, coupe, and convertible. The correct part number is crucial for precise compatibility and to fully restore the safety systems.

This control unit was specially developed for the model years 2013 to 2020 of the Mercedes-Benz S-Class W222 Saloon.

This includes all body variants such as the sedan (W222), the long version (V222), the coupé (C217) and the convertible (A217).

Vehicles such as the S 500 4MATIC (222.085, 222.185) are typical examples that use these control units.

It is imperative to match the part number, as even within the W222 Saloon range, different equipment may require different control units.

Where can I get my Mercedes-Benz S-Class W222 Saloon airbag control unit repaired?

Your Mercedes-Benz S-Class W222 Saloon airbag control unit should only be repaired by qualified specialists or a specialized workshop with the necessary expertise and equipment. A professional repair is essential to restore the full functionality of this safety-relevant component and comply with legal regulations.

Due to the safety-critical nature of the airbag control unit, professional repair by certified technicians is essential.

Find a specialized workshop that has experience diagnosing and repairing Mercedes-Benz airbag systems.

These shops can also erase crash data and reprogram the control unit if necessary, which is a complex process.

We offer professional repair services for your defective Mercedes-Benz S-Class W222 Saloon airbag control unit, quickly and reliably.

4.8

Based on 233 reviews

What our customers say

„Works like a charm!“

LeolyLeoly3 weeks ago

„Airbag control unit Fiat 500 was broken. Hard to believe but they can really repair it! Recommendation!!“

Automatically translated · Original: German

Christian MaegerleinChristian Maegerleinlast week

„From the first phone call, the order processing, to the shipping, everything was done very quickly and professionally. Now I still have to send the repaired unit to the Swedish workshop and then hopefully the Honda can f…“

Automatically translated · Original: German

Gerd GoldammerGerd Goldammerlast week

„Fast repair and fast shipping Simply top“

Automatically translated · Original: German

Andreas FoxAndreas Foxlast week

„Everything works great“

Automatically translated · Original: German

Wolfgang KatenzWolfgang Katenzlast week

„Ultra fast delivery, fit really well in the end. There was even a pen and gummy bears included. :D Definitely again, thank you very much!“

Automatically translated · Original: German

Tim HammerTim Hammer2 weeks ago

„I drive a W210 estate. My control unit was broken and because of that I couldn't go to TÜV. I was recommended Airbag24 from a forum. I sent in my control unit. Unfortunately everything was a bit under time pressure and I…“

Automatically translated · Original: German

Franz DampfFranz Dampf2 weeks ago

„Motorhome Fiat Ducato. Fault airbag lamp lit permanently, could also not be reset after reading it out. Fault was permanently present. Quick friendly contact with Airbag24, described the fault, known problem was the stat…“

Automatically translated · Original: German

Rene LarischRene Larisch2 weeks ago

„Professionals are at work here, any additional repairs that may arise are carried out without complaint and without discussion...always happy to come back.“

Automatically translated · Original: German

Manfred GuniaManfred Gunia3 weeks ago

„From the order to the repair everything worked well, airbag control unit installed, the light goes off again as it should, good service, fast repair and return shipping. Thanks 👍👍👍“

Automatically translated · Original: German

PetraPetra3 weeks ago

„Got the second airbag control unit from you for another car. Fits, no more error message. Great service Can only recommend. Super fast delivery, and they keep what they promise. A big thank you to this company.“

Automatically translated · Original: German

Mama 4Mama 43 weeks ago

„Super fast service and repair Fast processing“

Automatically translated · Original: German

Dennis BaronDennis Baron4 weeks ago

„Works like a charm!“

LeolyLeoly3 weeks ago
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