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Mercedes-Benz GLS-Class X166 SUV airbag control unit repair
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Mercedes-Benz GLS-Class X166 SUV 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(254)
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Matching part numbers
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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 GLS-Class
- Series
- X166 SUV (2015-2019)
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 254 reviewsView all reviews →
Ok.
Works like a charm!
The website of Airbag24 Airbagsysteme is very well structured and simply explained. I sent my airbag control unit from my Renault Trafic there for repair. I am very satisfied with the telephone contact as well as by mail and the consultation. Keep the system as it is, the price/performance ratio as well as the service is great. Super fast shipping. Can only recommend the company. 5+ stars*
Automatically translated · Original: German
Super great! Very fast repair of an airbag control unit of a Fiat Bravo 198. Sent it off on Monday, got it back already repaired by Friday and installed it. Everything works perfectly again. Old reliable car saved again for only 280,00 Euro! Thanks to Airbag24!
Automatically translated · Original: German
Well structured website with clear instructions, processing on schedule, punctual delivery. Worked immediately after reinstallation.
Automatically translated · Original: German
What is a Mercedes-Benz GLS-Class X166 SUV airbag control unit?
The Mercedes-Benz GLS-Class X166 SUV airbag control unit is the central safety unit in your vehicle, activating all occupant restraint systems in the event of an accident. It precisely monitors all crash sensors, stores relevant crash data, and ensures the prompt and proper operation of all airbag modules and belt tensioners in the vehicle to ensure maximum safety. This sophisticated module is critical to the Supplemental Restraint System (SRS) and coordinates the deployment of driver and front passenger airbags, as well as side airbags. Its function is to continuously monitor the vehicle's sensors to ensure lightning-fast response in an emergency. It is specifically designed for the Mercedes-Benz GLS-Class X166 SUV series (approx. 2013-2019) and is also compatible with related GL and M-Class models that use similar safety systems. After a successful Mercedes-Benz GLS-Class X166 SUV airbag control unit repair, the system is fully operational again and contributes significantly to vehicle safety.Why is the Mercedes-Benz GLS-Class X166 SUV airbag control unit defective?
A Mercedes-Benz GLS-Class X166 SUV airbag control unit can fail due to internal component failure, power supply disruption, or software errors. Often, an accident causes the control unit to store crash data and then freeze, making a Mercedes-Benz GLS-Class X166 SUV airbag control unit repair unavoidable. Power surges or water ingress can also cause failure. Internal memory errors or communication problems are typical signs of a failure of the airbag control unit. A faulty power supply can also impair the function of this important safety component. After an accident, the module permanently stores crash information, making a reset necessary to restore it to working order. A faulty control unit can activate the airbag warning light and compromise safety, which is why a prompt Mercedes-Benz GLS-Class X166 SUV airbag control unit repair at a specialized workshop is strongly recommended.Common error codes for Mercedes-Benz GLS-Class X166 SUV airbag control unit repair
When repairing a Mercedes-Benz GLS-Class X166 SUV airbag control unit, certain error codes are important, which directly indicate problems with the control unit itself. These B-codes are read by a professional diagnostics team and identify specific defects such as internal communication or memory errors that are causing failure. Diagnosing these error codes is crucial for determining the exact cause of a problem with the airbag control unit and initiating a targeted repair. It is important to use special Mercedes diagnostic systems for precise evaluation. Here are the most common control unit-specific error codes:- B1000 : Control unit communication error → Signal interruption or internal defect in the data transmission.
- B1160 : Airbag control unit self-test failed → The module could not successfully complete its internal function test.
What part numbers are available for the Mercedes-Benz GLS-Class X166 SUV airbag control unit repair?
For Mercedes-Benz GLS-Class X166 SUV airbag control unit repairs, only specific OEM part numbers are relevant, ensuring exact compatibility and the highest safety standards. These numbers confirm that the replacement part or module being repaired is original for the X166 SUV series and ensures the proper functioning of the airbag system. Using the correct part number is essential to avoid malfunctions and ensure the full safety of the vehicle after repairs. The following OEM part numbers are validated for the Mercedes-Benz GLS-Class X166 SUV airbag control unit and are suitable for repair or replacement:- A1669003803 (Mercedes-Benz Genuine Airbag Control Unit)
- A1669012201 (Mercedes-Benz original/replacement)
- A1669027601 (Mercedes-Benz original/replacement)
- A1669003903 (Mercedes-Benz Genuine Airbag Control Unit)
- A1669001916 (Mercedes-Benz Genuine Airbag Control Unit)
Guide
How to create a repair order
4.8
Based on 254 reviews
What our customers say
„Top!“
mirko leistnerlast week„Ok.“
Zsolt Szabó2 weeks ago„Works like a charm!“
Leolylast month„The website of Airbag24 Airbagsysteme is very well structured and simply explained. I sent my airbag control unit from my Renault Trafic there for repair. I am very satisfied with the telephone contact as well as by mail…“
Automatically translated · Original: German
H. S.2 days ago„Super great! Very fast repair of an airbag control unit of a Fiat Bravo 198. Sent it off on Monday, got it back already repaired by Friday and installed it. Everything works perfectly again. Old reliable car saved again…“
Automatically translated · Original: German
Stephan Plewinsky2 days ago„Well structured website with clear instructions, processing on schedule, punctual delivery. Worked immediately after reinstallation.“
Automatically translated · Original: German
Dieter Hirsch3 days ago„Apart from the price which remains a bit high, but compared to the only replacement solution and the service provided, it's PERFECT. Very good sending and return procedure, and customer contact SUPER, not to mention the…“
Automatically translated · Original: French
patrick taverna4 days ago„Very satisfied great work“
Automatically translated · Original: German
Florian Bickel4 days ago„Airbag control unit was defective..Sent it in and got it back faster than expected.Worked great.Great performance from the Airbag24 Team.Thanks and I will recommend you further.“
Automatically translated · Original: German
Dieter Winkler5 days ago„I can only recommend this company. My airbag control unit was repaired within a short time and sent back to me. Airbag system works perfectly again.“
Automatically translated · Original: German
Andreas Koennlast week„Everything went perfectly, I can only recommend it.“
Automatically translated · Original: German
ka irgendwaslast week„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 Goldammerlast week„Top!“
mirko leistnerlast week
