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Mercedes-Benz GL-Class X166 SUV airbag control unit repair
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Mercedes-Benz GL-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.
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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 GL-Class
- Series
- X166 SUV (2012-2015)
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 GL-Class X166 SUV airbag control unit?
A Mercedes-Benz GL-Class X166 SUV airbag control unit is the central safety unit in the vehicle, responsible for monitoring and, in an emergency, precisely triggering all restraint systems such as airbags and seatbelt pretensioners. It continuously evaluates sensor data, stores important crash information, and thus ensures maximum occupant safety in the event of an accident.
This electronic module is a key component in the passive safety system of the Mercedes-Benz GL-Class X166 SUV.
It constantly monitors various crash and acceleration sensors in the vehicle in order to react quickly in the event of an impact.
Why is the Mercedes-Benz GL-Class X166 SUV airbag control unit defective?
A Mercedes-Benz GL-Class X166 SUV airbag control unit often fails due to internal hardware errors, water damage, power surges, or after an accident that irretrievably stores crash data in the module. These defects lead to malfunctions or complete failure of the safety system, which activates the airbag warning light.
Common causes include internal electronic component failures that can occur over time.
Saving crash data after an accident also causes the control unit to become blocked, making repair or resetting the module necessary.
Errors in CAN communication with other control units can also indicate a failure.
Common error codes for Mercedes-Benz GL-Class X166 SUV airbag control unit repair
When diagnosing a defective Mercedes-Benz GL-Class X166 SUV airbag control unit, specific error codes are read out. These codes indicate problems directly within the control unit itself, not with sensors or other components. These codes facilitate a targeted Mercedes-Benz GL-Class X166 SUV airbag control unit repair.
- B1000 → Control unit defect / communication error → Indicates a general internal error of the airbag ECU or disturbed communication.
- B1076 → Error in CAN communication with control unit → Indicates problems in the data exchange between the airbag control unit and other modules in the vehicle.
- 9600 → Internal error in the airbag module (control unit) → Indicates a specific hardware defect within the airbag control unit.
These error codes are crucial for a precise diagnosis and planning the necessary steps for Mercedes-Benz GL-Class X166 SUV airbag control unit repair.
Professional diagnostic tools are necessary to safely read and interpret these codes.
What part numbers are available for the Mercedes-Benz GL-Class X166 SUV airbag control unit repair?
For the Mercedes-Benz GL-Class X166 SUV airbag control unit repair, several verified OEM part numbers are relevant, ensuring exact compatibility with the X166 SUV series. These numbers are essential for identifying the correct replacement part and ensuring a successful repair.
The most important and frequently used OEM part numbers for airbag control units of the Mercedes-Benz GL-Class X166 SUV are:
- A1669002103 (original Mercedes-Benz)
- A1669003803 (original Mercedes-Benz)
- A1669003903 (original Mercedes-Benz)
- A1669012201 (Alternative/OEM reference)
- A1669027601 (Alternative/OEM reference)
These part numbers have been verified by independent sources such as original equipment dealers and specialized repair services.
If your airbag control unit is broken, it is essential to compare the part number with your old part.
Technical features of the Mercedes-Benz GL-Class X166 SUV airbag control unit
The Mercedes-Benz GL-Class X166 SUV airbag control unit is specifically designed for the X166 SUV vehicle series, which was produced from approximately 2013 to 2019, and is known for its reliability in critical safety situations. It weighs approximately 1.0 kg and measures approximately 17 x 16 x 6 cm.
It is powered by the vehicle's electrical system and communicates with sensors and other vehicle systems via multi-pin connectors.
The main function is the electronic evaluation of crash sensor data and the storage of relevant accident parameters.
Compatibility and installation of the Mercedes-Benz GL-Class X166 SUV airbag control unit
The Mercedes-Benz GL-Class X166 SUV airbag control unit is primarily designed for the GL-Class X166 SUV, but is also used in partially compatible M-Class W166 models and certain variants of the GLS-Class (X166) up to 2019. The correct installation position is usually in the center of the passenger compartment.
The exact installation position varies slightly, but is typically located in the center console area or behind the glove compartment.
Due to the safety-critical function, installation should only be carried out by qualified specialist workshops that can clear the errors. The repaired control unit returns with its vehicle-specific data and is ready for immediate use after installation.
Incorrect handling can lead to malfunctions or unintentional airbag deployment.
Services related to Mercedes-Benz GL-Class X166 SUV airbag control unit repair
Mercedes-Benz GL-Class X166 SUV airbag control unit repair includes specialized services such as crash data erasure and factory reset, providing a cost-effective alternative to purchasing a new unit. These services are crucial if the module is blocked after an accident or due to a fault.
Specialized workshops offer reset and repair options to eliminate stored errors and crash data.
This allows the original control unit to continue to operate instead of having to purchase an expensive new part.
For a precise diagnosis and safe repair, it is advisable to visit a workshop specializing in Mercedes-Benz.
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
