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Airbag24

Mercedes-Benz C-Class W205 Saloon airbag control unit repair

A205 900 18 14 · Label

  • Label
  • Connector
  • A205 900 18 14
  • A205 900 63 37
  • A205 900 95 27

Mercedes-Benz C-Class W205 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(246)

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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 C-Class
Series
W205 Saloon (2014-2021)
Mercedes-Benz C-Class W205 Saloon
Photo: EurovisionNim · 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 246 reviewsView all reviews →

What is a Mercedes-Benz C-Class W205 Saloon airbag control unit?

The Mercedes-Benz C-Class W205 Saloon airbag control unit is your vehicle's central safety unit, essential for occupant protection in the event of an accident. It continuously monitors sensors, stores relevant crash data, and controls the precise deployment of all airbag modules and seat belt pretensioners to ensure maximum safety.

This high-performance component is responsible for automatically activating the passive safety systems. It collects information from acceleration sensors and decides in milliseconds on the necessary safety measures for occupants.

Why is the Mercedes-Benz C-Class W205 Saloon airbag control unit defective?

A Mercedes-Benz C-Class W205 Saloon airbag control unit often fails after an accident because crash data is irretrievably stored in the internal memory, causing the system to deactivate. Furthermore, internal electronic errors or surges in the vehicle electrical system can cause a failure, necessitating a professional Mercedes-Benz C-Class W205 Saloon airbag control unit repair.

Because crash data is permanently stored in the control unit after an impact, reprogramming is required to restore functionality. This storage causes the airbag warning light to remain permanently illuminated and the system to be disabled.

Failure can also be caused by internal electronic errors that occur independently of an accident. Moisture ingress or age-related material fatigue can also lead to a defective control unit. A timely diagnosis at the workshop is crucial.

Common error codes for Mercedes-Benz C-Class W205 Saloon airbag control unit repair

If the Mercedes-Benz C-Class W205 Saloon airbag control unit is defective, specific error codes will appear that directly indicate internal problems within the control unit. These codes, such as B1003 or B1600, indicate a malfunction in the central unit and require targeted diagnostics for a successful Mercedes-Benz C-Class W205 Saloon airbag control unit repair.

  • B1003 → Airbag control unit internal error → Indicates a faulty internal function of the control unit that requires repair.
  • B119C → Control Unit Communication Error → Indicates problems with the airbag control unit communicating with other vehicle systems.
  • B1600 → Internal control unit error (SRS lamp on) → Indicates a critical error in the control unit, which causes the SRS warning lamp to illuminate.
  • B2D92 → Control unit defective → A general diagnosis indicating irreparable damage to the control unit.
  • AE69 → Control unit lowline internal error → A specific internal software or hardware error that affects functionality.
  • AD67 → SRS control unit defective, error 9004 (voltage too high) → A defect, often caused by overvoltage in the system, which damages the control unit.
  • B1BC7-49 → Internal Electronic Failure → A deep electronic failure within the control unit that requires repair.

What part numbers are available for the Mercedes-Benz C-Class W205 Saloon airbag control unit repair?

For Mercedes-Benz C-Class W205 Saloon airbag control unit repairs, there are several verified Mercedes-Benz OEM part numbers that ensure compatibility and original quality. These numbers, such as A2059002141 or A2059002512, are crucial for correctly identifying the correct replacement part and ensuring a successful repair.

  • A2059002141 → Mercedes-Benz AG → Genuine part number, commonly used for Mercedes-Benz C-Class W205 Saloon airbag control unit repair.
  • A2059014420 → Mercedes-Benz AG → An official replacement number for the original airbag control unit of the W205 Saloon series.
  • A2059020223 → Mercedes-Benz AG → Another replacement or OE/OEM reference number suitable for the W205 Saloon C-Class.
  • A2059002512 → Mercedes-Benz AG → A genuine OEM part number used in the Mercedes-Benz C-Class W205 Saloon.
  • A2059001814 → Mercedes-Benz AG → Original part number, suitable for various models of the C-Class W205 Saloon.
  • A2059008618 → Mercedes-Benz AG → Another verified genuine part number for the W205 Saloon series airbag control unit.
  • A2059009427 → Mercedes-Benz AG → A confirmed genuine part number ensuring compatibility with the Mercedes-Benz C-Class W205 Saloon.
4.8

Based on 246 reviews

What our customers say

„Ok.“

Zsolt SzabóZsolt Szabólast week

„Works like a charm!“

LeolyLeolylast month

„Everything went perfectly, I can only recommend it.“

Automatically translated · Original: German

ka irgendwaska irgendwas2 days ago

„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 fi…“

Automatically translated · Original: German

Gerd GoldammerGerd Goldammer3 days ago

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

Automatically translated · Original: German

Christian MaegerleinChristian Maegerlein5 days ago

„Everything worked out great! Read out fault memory, sent it in, received offer and sent in the defective control unit. Got it back repaired after 3 days, price exactly as in the offer. It can't get any better 👍“

Automatically translated · Original: German

Toni BuienToni Buien6 days ago

„Uncomplicated service. Fast and thorough. Can only recommend.“

Automatically translated · Original: German

Abdul KSAbdul KS6 days ago

„All great👍“

Automatically translated · Original: German

Edin AvdicEdin Avdiclast week

„All great, fast delivery. Thanks.“

Automatically translated · Original: German

Andrej IvanovAndrej Ivanovlast week

„100% satisfied. Everything handled very professionally and transparently. Only the return shipping took too long. This was however due to UPS and less to Aairbag24. Thank you very much“

Automatically translated · Original: German

Dennis WeDennis Welast week

„VAG airbag control unit with error B2000 00 reliably repaired. Price very high in comparison, but everything worked out. No exact protocol of what was carried out, probably just newly flashed“

Automatically translated · Original: German

Tokeh TokehTokeh Tokehlast week

„A great shop, even when there are sometimes problems. There are quick responses and very good help. I can only recommend the shop. Thank you very much“

Automatically translated · Original: German

Sven WegenerSven Wegenerlast week

„Ok.“

Zsolt SzabóZsolt Szabólast week
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