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Airbag24

Mercedes-Benz SLR R199 Roadster airbag control unit repair

Mercedes-Benz SLR R199 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.

Repair type

Which repair matches your fault code?

excluding VAT and 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 SLR
Series
R199 Roadster (2003-2009)
Mercedes-Benz SLR R199 Roadster
Photo: Calreyn88 · CC0 · 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 SLR R199 Roadster airbag control unit?

The Mercedes-Benz SLR R199 Roadster airbag control unit is the central safety unit in the vehicle, precisely activating all occupant restraint systems, such as airbags and belt tensioners, in the event of an accident. It continuously monitors sensors, stores relevant crash data, and ensures the flawless functioning of the entire safety system.

This electronic module is crucial for occupant safety in your high-performance vehicle. It processes signals from various sensors to detect an impact and react accordingly.

Its robust construction protects it from electromagnetic interference and vibrations, typical of an SLR-class vehicle. The system is designed for maximum reliability to function optimally in emergencies.

Why is the Mercedes-Benz SLR R199 Roadster airbag control unit defective?

The Mercedes-Benz SLR R199 Roadster airbag control unit can fail due to aging internal components or damage in an accident. This often leads to system failures. Common causes include internal software errors, EEPROM problems, or power supply malfunctions, which make an immediate Mercedes-Benz SLR R199 Roadster airbag control unit repair unavoidable.

Often, a crash results in the storage of crash data, necessitating a reset, which causes the system to enter a "broken" error state. Age-related wear and tear or voltage spikes can also cause internal damage that prevents proper function.

A failure is usually indicated by illuminated airbag warning lights or a lack of communication with diagnostic devices. A precise diagnosis is essential to identify the specific cause of the failure and initiate the necessary repair.

Common error codes for Mercedes-Benz SLR R199 Roadster airbag control unit repair

When repairing a Mercedes-Benz SLR R199 Roadster airbag control unit, specific B-codes are crucial because they indicate internal errors, communication problems, or power supply disruptions within the airbag control unit itself. These codes help diagnose whether the control unit is defective or the communication is disrupted.

  • B1000 → Communication error of the control unit → Indication of defective cables or connectors to the airbag control unit.
  • B1001 → Airbag control unit internal error → Indicates a hardware or software problem within the control unit, often after a crash.
  • B1010 → Airbag control unit voltage supply error → May indicate an unstable power supply or defective internal components.
  • B1020 → EEPROM error in the airbag control unit → Indicates problems with the non-volatile memory, often after an accident or tampering.
  • B1030 → Sensor bus communication error → The airbag control unit cannot communicate correctly with the connected sensors.
  • B1040 → Airbag control unit self-test error → An internal check process of the control unit failed.
  • B1100 → Airbag control unit software error → A problem with the internal software of the control unit requires a Mercedes-Benz SLR R199 Roadster airbag control unit repair.
  • B1120 → Data transmission control unit – vehicle bus → Communication fault between the airbag control unit and the vehicle network.
  • B1200 → EEPROM data validation failed → Error checking the data stored in the control unit's EEPROM.
  • B1500 → Internal memory error → General malfunction of the internal memory in the airbag control unit, indicating a defect.

These error codes are typically read using special tools such as MB STAR or Xentry. After a successful Mercedes-Benz SLR R199 Roadster airbag control unit repair, the control unit with its vehicle-specific data remains intact – plug-and-play without further programming.

What part numbers are available for the Mercedes-Benz SLR R199 Roadster airbag control unit repair?

For Mercedes-Benz SLR R199 Roadster airbag control unit repairs, knowing the exact OEM part numbers is crucial to ensure compatibility and safety of the replacement part. Original Mercedes-Benz numbers as well as validated OEM supplier numbers are available and must be precisely verified before replacement.

The main OEM part numbers for the Mercedes-Benz SLR R199 Roadster airbag control unit are A 199 820 74 26 and A 199 820 78 26 from Mercedes-Benz.

Additionally, OEM spare parts are available from original equipment suppliers such as Bosch (0 285 001 841) and Continental Automotive (5WK4 8861). The number A 199 820 75 26 from Mercedes-Benz (Siemens AG) is also relevant.

It is strongly recommended to use the vehicle identification number (VIN) to confirm the exact part number for your Mercedes-Benz SLR R199 Roadster airbag control unit repair. This ensures compatibility.

4.8

Based on 246 reviews

What our customers say

„Ok.“

Zsolt SzabóZsolt Szabólast week

„Works like a charm!“

LeolyLeoly4 weeks ago

„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 Goldammer2 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 Maegerlein4 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 Buien5 days ago

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

Automatically translated · Original: German

Abdul KSAbdul KS5 days ago

„All great👍“

Automatically translated · Original: German

Edin AvdicEdin Avdic6 days ago

„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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