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Mercedes-Benz SLS R197 Roadster Airbag Control Unit Repair
Mercedes-Benz SLS R197 Roadster 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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Our estimated repair time for this product is about: 3–4 business days
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Specifications
- Make
- Mercedes-Benz
- Model
- Mercedes-Benz SLS
- Series
- R197 Roadster (2010-2014)

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 SLS R197 Roadster airbag control unit?
The Mercedes-Benz SLS R197 Roadster airbag control unit is your vehicle's central safety unit, activating all occupant restraint systems in the event of an accident. It continuously monitors sensors, stores relevant crash data, and ensures the proper functioning of all airbag modules for occupant safety.
This sophisticated module is crucial for the passive safety of the Mercedes-Benz SLS R197 Roadster. It analyzes sensor data in real time to precisely deploy the airbags and seatbelt pretensioners in the event of a collision.
The unit is tightly integrated into the vehicle's CAN bus system, enabling seamless communication with other control units. Proper function is essential, which is why a professional Mercedes-Benz SLS R197 Roadster airbag control unit repair is highly recommended in the event of defects.
Why is the Mercedes-Benz SLS R197 Roadster airbag control unit defective?
A Mercedes-Benz SLS R197 Roadster airbag control unit can fail for a variety of reasons, often after an accident due to stored crash data, but also due to internal electronic errors or moisture damage. Because the system is safety-critical, a failure requires immediate diagnosis and, if necessary, professional repair.
After an impact, the control unit stores indelible crash data that blocks normal function. This causes the airbag warning light to activate and requires repair or replacement of the module.
Internal electronic components can fail due to age or overvoltage, making fault detection difficult. Moisture ingress is also a common cause, which can lead to corrosion and malfunctions, necessitating a comprehensive diagnostic evaluation.
If the airbag warning light is illuminated, a timely workshop diagnosis for your Mercedes-Benz SLS R197 Roadster airbag control unit is essential.
Common error codes for Mercedes-Benz SLS R197 Roadster airbag control unit repair
During Mercedes-Benz SLS R197 Roadster airbag control unit repairs, common error codes often occur, indicating internal problems or communication errors within the control unit. Specific codes are often manufacturer-specific and require professional diagnostic systems for precise identification of the cause.
- B1000 → Control unit communication error → Error in data transmission between modules.
- B220700 → Internal error in the airbag control unit → Malfunction within the module hardware or software.
These error codes are examples of typical problems that indicate a malfunction. A precise error analysis always requires a special diagnostic tool compatible with Mercedes-Benz systems.
Correcting such errors often requires resetting the crash data and inspection of components. Since your original control unit is repaired, the vehicle-specific data remains intact – it is immediately ready for use after reinstallation.
What part numbers are available for the Mercedes-Benz SLS R197 Roadster airbag control unit repair?
For the Mercedes-Benz SLS R197 Roadster airbag control unit repair, the primary and 100% verified OEM part number is A1978200926. This original part number is listed specifically for the vehicle model and ensures full compatibility. Your repaired control unit retains its vehicle-specific data and is immediately operational after installation.
The part number A1978200926 comes directly from Mercedes-Benz and is listed as a genuine part. No other, precisely verified OEM alternative numbers from suppliers such as Bosch or Continental specifically for this airbag control unit are publicly available.
When repairing, it is crucial to use and repair the original control unit rather than replacing it. Mercedes-Benz SLS R197 Roadster airbag control unit repair this way retains all vehicle-specific data – the control unit is immediately ready for use after installation.
Based on 246 reviews
What our customers say
„Ok.“
„Works like a charm!“
„Everything went perfectly, I can only recommend it.“
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„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…“
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„Airbag control unit Fiat 500 was broken. Hard to believe but they can really repair it! Recommendation!!“
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„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 👍“
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„Uncomplicated service. Fast and thorough. Can only recommend.“
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„All great👍“
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„All great, fast delivery. Thanks.“
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„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
„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“
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„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“
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„Ok.“



