Quick delivery and it works perfect in my Mercedes W203! 👌👌
Mercedes-Benz E-Class C124 Coupé airbag control unit repair
Mercedes-Benz E-Class C124 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.
Matching part numbers
Matching error codes
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Choose the service that fits your unit.
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Not sure? Just send us an enquiry or give us a call — we're happy to advise you.
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Possible airbag error codes for a defective airbag control unit:
Our estimated repair time for this product is about: 3–4 business days
Specifications
- Make
- Mercedes-Benz
- Model
- Mercedes-Benz E-Klasse
- Series
- C124 Coupé (1987-1996)

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.
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4.8What is a Mercedes-Benz E-Class C124 Coupé airbag control unit?
The Mercedes-Benz E-Class C124 Coupé airbag control unit is your vehicle's central safety unit, controlling the precise deployment of the airbags and seatbelt pretensioners in the event of an accident. It continuously monitors sensors, processes their signals at lightning speed, and is crucial for the reliability of the entire SRS system to provide optimal occupant protection.
This control unit is typically installed in the front footwell or behind the center console. It is specifically designed for the driver airbag and belt tensioner system of the C124 Coupé.
It receives signals from crash sensors and triggers the pyrotechnic mechanisms when necessary. The unit is a genuine Mercedes-Benz OEM product that meets high safety and quality standards.
Why is the Mercedes-Benz E-Class C124 Coupé airbag control unit defective?
The Mercedes-Benz E-Class C124 Coupé airbag control unit frequently fails because it is sensitive to age-related material fatigue, moisture damage, or overvoltage. Especially after an accident, when crash data has been stored in the memory, a repair or replacement is essential to restore the airbag system's functionality.
Signs of a defect often include an illuminated airbag warning light in the cockpit or readable diagnostic error codes. Such failures can jeopardize the vehicle's entire passive safety system.
A professional diagnosis in the workshop is essential to determine the exact cause of the failure and ensure a safe repair of the defective control unit.
Common error codes for Mercedes-Benz E-Class C124 Coupé airbag control unit repair
When repairing the Mercedes-Benz E-Class C124 Coupé airbag control unit, specific error codes are crucial for a precise diagnosis, as they directly indicate internal problems within the control unit. These SRS codes, readable with appropriate diagnostic tools, enable rapid identification of defects and are the first step toward restoring vehicle safety.
- B1000 → Control unit communication error → Internal defect or communication fault of the airbag ECU
- B2D8A → Airbag control unit defective → Malfunction or hardware error in the airbag control unit
These error codes are relevant exclusively to the airbag control unit and indicate an immediate need for action. A professional diagnosis by a specialized workshop is essential.
What part numbers are available for the Mercedes-Benz E-Class C124 Coupé airbag control unit repair?
For Mercedes-Benz E-Class C124 Coupé airbag control unit repairs, only specific OEM part numbers are relevant to ensure compatibility and safety. These verified numbers identify the original control unit and are crucial for a successful repair, as only they guarantee correct fit and function in your vehicle.
- A0018201926 → Mercedes-Benz (Bosch) → Original OEM part number
- 0285001213 → Bosch → Original OEM part number
- 0227100023 → Bosch → Original OEM part number
These part numbers are authentic and verified for the Mercedes-Benz E-Class C124 Coupé, model years approximately 1989-1993. They ensure that the replacement part fits your vehicle exactly and enables a safe repair.
Checking the existing part number on your control unit is strongly recommended before any repair or replacement. This minimizes the risk of incompatibilities and ensures your safety on the road.
Based on 200 reviews
What our customers say
„Quick delivery and it works perfect in my Mercedes W203! 👌👌“
„Very professional handling. Everything worked super fast, the information about the status of the processing was very good.“
Automatically translated · Original: German
„Had the error SRS Airbag Service urgent on my Volvo C30. At Volvo they could only determine that the error with code CFFF cannot be reset. Proposed solution 865 € for a new module, plus removal and installation and codin…“
Automatically translated · Original: German
„Fast repair, top, friendly quick contact also for Luxembourg. Gladly again Greetings Serge“
Automatically translated · Original: German
„At first sight I had no confidence. But I don't regret it. Repair ordered, calculator sent, within a few days I had the diagnosis and the payment order. As soon as the payment was made my calculator came back in perfect…“
Automatically translated · Original: French
„Everything worked out“
Automatically translated · Original: German
„All great, removed it myself, brought it in and picked it up 4 days later and installed it.Works again thanks“
Automatically translated · Original: German
„Everything Top“
Automatically translated · Original: German
„Fast, simple and uncomplicated“
Automatically translated · Original: German
„This company is top. They answer questions immediately. Despite holidays everything went really fast. Simply a great company.“
Automatically translated · Original: German
„What should I say normally, 5 stars are too few TOP I am MEGA satisfied. Can only recommend it. Greetings Thomas Umlauf“
Automatically translated · Original: German
„Was easy and worked great!!!“
Automatically translated · Original: German
„Quick delivery and it works perfect in my Mercedes W203! 👌👌“



