German specialistFree standard shippingFast delivery20,000+ repairs · 10,000+ reviews
Airbag24

Mercedes-Benz S-Class W220 Saloon airbag control unit repair

Mercedes-Benz S-Class W220 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?

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)

Secure payment with

  • Apple Pay
  • Bancontact
  • EPS
  • Google Pay
  • Maestro
  • Mastercard
  • MobilePay
  • PayPal
  • Visa

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 S-Class
Series
W220 Saloon (1998-2005)
Mercedes-Benz S-Class W220 Saloon
Photo: Kieran White from Manchester, England · CC BY 2.0 · 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 S-Class W220 Saloon airbag control unit?

The Mercedes-Benz S-Class W220 Saloon airbag control unit is the central safety unit for your vehicle's occupant restraint systems. It precisely monitors sensors, stores relevant crash data in the event of an impact, and selectively activates airbags and seatbelt pretensioners to ensure maximum safety in an emergency.

This essential component acts as the brain of the passive safety system and is specifically designed for the Mercedes-Benz S-Class built between 1998 and 2005.

It is compatible with all W220 Saloon engines and trim levels. Communication with all airbag modules and sensors in the vehicle is achieved via robust connectors to ensure error-free data transmission.

Why is the Mercedes-Benz S-Class W220 Saloon airbag control unit defective?

A Mercedes-Benz S-Class W220 Saloon airbag control unit often fails due to internal electronic errors, sporadic voltage problems, or crash data corruption after an accident. These defects can lead to safety system failure, making a professional Mercedes-Benz S-Class W220 Saloon airbag control unit repair essential.

Typical signs of a faulty control unit are a permanently lit airbag warning light or error messages that cannot be cleared.

Such errors indicate a malfunction in the internal functions. Communication problems with the diagnostic tool or the vehicle network can also indicate a failure of the control unit.

Common error codes for Mercedes-Benz S-Class W220 Saloon airbag control unit repair

During the Mercedes-Benz S-Class W220 Saloon airbag control unit repair, specific error codes are read out that directly indicate problems with the airbag ECU. Recognizing these codes is crucial for identifying the exact cause of the failure and taking targeted measures to correct it.

  • B1000: Control Unit Communication Error – The airbag control unit cannot communicate correctly with the diagnostic system.
  • B1003: Internal Control Unit Error – An internal defect in the airbag control unit has been detected that affects its function.
  • B119C: Internal Control Module Error – Another type of internal error that disrupts the system’s operational readiness.
  • B1600: Internal Control Module Error – This code also indicates a malfunction within the control module itself.
  • B2D92: Control unit defective – A clear message that the airbag control unit has a serious defect.
  • AD67: SRS Control Unit Lowline Error – A specific error in the SRS control unit, often associated with internal problems.
  • 9004: Voltage too high in the control unit – An overvoltage in the airbag control unit can lead to malfunctions.

What part numbers are available for the Mercedes-Benz S-Class W220 Saloon airbag control unit repair?

For the Mercedes-Benz S-Class W220 Saloon airbag control unit repair, five part numbers are stored for this repair product, including the manufacturer part numbers A0018202226 and A2208203085. All five belong to airbag control units of this model and help identify the correct unit for your vehicle.

The manufacturer part number A0285001546 and the Bosch supplier part numbers 285001215 and 285001443 are also included. The part number is on the label of the airbag control unit and can be stated in the repair order.

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 irgendwas3 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
Airbag24

Didn't find your vehicle? Chances are we can still help!