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Mercedes-Benz C-Class C205 Coupé airbag control unit repair
A205 900 18 14 · Label
- Label
- Connector
Mercedes-Benz C-Class C205 Coupé 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.
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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.
4.8Google reviews of our shop(246)
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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.
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
- C205 Coupé (2015-2023)
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
4.8Based on 246 reviewsView all reviews →
Works like a charm!
Everything went perfectly, I can only recommend it.
Automatically translated · Original: German
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 finally pass the HU there again (failed because of the red light for the airbag). Today the message came from SWE, the car is running again, the red light is off and the HU was also passed. Once again many thanks for the help in need. Keep it up and maybe word will also spread in SWE that Airbag 24 does great work. Regards Gerd
Automatically translated · Original: German
Airbag control unit Fiat 500 was broken. Hard to believe but they can really repair it! Recommendation!!
Automatically translated · Original: German
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
What is a Mercedes-Benz C-Class C205 Coupé airbag control unit?
The Mercedes-Benz C-Class C205 Coupé airbag control unit is the central safety unit that activates all occupant restraint systems in the event of an accident. It monitors sensors, stores crash data, and ensures the proper functioning of all airbag modules in the vehicle. Its correct function is essential for safety.
This safety-critical electronic module is responsible for controlling the airbag and occupant protection systems. It is primarily used in the Mercedes-Benz C-Class Coupé Type C205, model years 2016 to 2023.
The control unit processes signals from acceleration and crash sensors for rapid accident detection. In the event of a crash, it precisely triggers airbags and seatbelt pretensioners to provide optimal occupant protection.
Why is the Mercedes-Benz C-Class C205 Coupé airbag control unit defective?
A Mercedes-Benz C-Class C205 Coupé airbag control unit often fails due to internal memory errors, corrupted software, or crash data remaining stored after an accident. This blocked data prevents the system from functioning normally and requires professional repair.
After an accident, the control unit stores crash data that must be erased to turn off the airbag warning light. An internal memory full or an EEPROM error can also lead to failure.
Other causes of a defect include communication errors with other vehicle systems or a faulty power supply. Professional diagnosis and repair are essential to restoring vehicle safety.
Common error codes for Mercedes-Benz C-Class C205 Coupé airbag control unit repair
During a Mercedes-Benz C-Class C205 Coupé airbag control unit repair, specific error codes occur that signal internal problems with the control unit. For example, code B1100 indicates stored crash data that is causing a functional blockage and requires manual deletion.
- B1000: Control unit communication error – The airbag control unit is not communicating correctly with other modules.
- B1010: Internal Memory Error – There is an internal error in the memory of the airbag control unit.
- B1020: Self-test failed – The airbag control module’s internal self-test failed.
- B1030: Power Supply Error – There are problems with the power supply to the airbag control unit.
- B1040: Software faulty – The airbag control unit software has internal errors.
- B1100: Crash data stored – The control unit is blocked by accident information and must be reset.
- B1120: Memory full – The error memory of the airbag control unit is completely full.
- B1130: EEPROM Error – There is an error in the EEPROM memory of the airbag control unit.
- B1140: Internal communication faulty – There is an error in the internal communication of the control unit.
- B1150: Calibration Error – The airbag control module is not correctly calibrated.
These error codes are directly attributable to the airbag control unit and often require specialized diagnostics. For precise repairs, reading them with Mercedes-specific diagnostic software or Bosch ESI[tronic] is recommended.
What part numbers are available for the Mercedes-Benz C-Class C205 Coupé airbag control unit repair?
For the Mercedes-Benz C-Class C205 Coupé airbag control unit repair, several verified OEM part numbers are relevant to ensure compatibility with the vehicle. The primary original numbers include A2059008518 and A2059002341, although replacement numbers such as A2059009445 also exist.
- A2059008518: Genuine Mercedes-Benz airbag control unit, suitable for C205 Coupé models. This is one of the primary OEM numbers for this component.
- A2059002341: Another genuine Mercedes-Benz part number used for the C205/W205 airbag control unit. This number has been verified multiple times.
- A2059009445: This number is an official replacement for A2059002341 and is therefore also fully compatible. It ensures the same functionality.
- A2059002141: A genuine Mercedes-Benz airbag control unit that also fits the C205 Coupé. Multiple sources confirm compatibility.
- A2059002512: A genuine part number used by Mercedes-Benz for airbag control units in the W205 and C205 series. Important for correct selection.
- A2059001814: This control unit is manufactured by OEM suppliers such as Continental/Siemens and is recognized as an original module. It is fully compatible with the vehicles mentioned.
These part numbers are confirmed exclusively for airbag control units in the Mercedes-Benz C-Class C205 Coupé (model years approximately 2015-2020). Correct identification of the part number is crucial for a successful repair or replacement.
4.8
Based on 246 reviews
What our customers say
„Ok.“
Zsolt Szabólast week„Works like a charm!“
Leolylast month„Everything went perfectly, I can only recommend it.“
Automatically translated · Original: German
ka irgendwas4 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 Goldammer5 days ago„Airbag control unit Fiat 500 was broken. Hard to believe but they can really repair it! Recommendation!!“
Automatically translated · Original: German
Christian Maegerleinlast week„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 Buienlast week„Uncomplicated service. Fast and thorough. Can only recommend.“
Automatically translated · Original: German
Abdul KSlast week„All great👍“
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Edin Avdiclast week„All great, fast delivery. Thanks.“
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Andrej 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 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 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 Wegenerlast week„Ok.“
Zsolt Szabólast week
