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

Mercedes-Benz GLE-Class C166 Coupé airbag control unit repair

A 166 900 39 03 · Label

  • Label
  • Connector
  • A 166 900 39 03
  • A1669002003

Mercedes-Benz GLE-Class C166 Coupé 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?

incl. VAT plus 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 GLE-Class
Series
C166

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 GLE-Class C166 Coupé airbag control unit?

The Mercedes-Benz GLE-Class C166 Coupé airbag control unit is the central safety unit in the vehicle, 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 and belt tensioners to provide maximum protection.

This specialized control unit, also known as the SRS control unit, is responsible for the precise and lightning-fast response in the event of a collision.

It acts as the brain of the passive safety system and processes real-time data from a variety of impact and acceleration sensors in the vehicle.

Why is the Mercedes-Benz GLE-Class C166 Coupé airbag control unit defective?

A defect in the Mercedes-Benz GLE-Class C166 Coupé airbag control unit often occurs due to internal component failures, voltage spikes in the vehicle electrical system, or corrupted data in the crash memory, which leads to the activation of the airbag warning light. Because the control unit itself is continuously monitored, it signals problems early on that could impair its functionality.

Typical causes of failures are internal memory defects or problems with the power supply within the module, which can be caused by aging or electrical interference.

The presence of crash data after an accident or incorrect reprogramming can also block the control unit and make it necessary to replace or repair it.

Common error codes for Mercedes-Benz GLE-Class C166 Coupé airbag control unit repair

When repairing the Mercedes-Benz GLE-Class C166 Coupé airbag control unit, specific error codes such as B1000 or B1010 are common. These indicate internal problems or communication errors within the control unit itself. These codes indicate a defect within the module itself and require specialized diagnostics and, if necessary, control unit repair to clear the airbag warning light.

  • B1000 → Control unit communication error → The airbag control unit cannot communicate correctly with other internal components or the vehicle CAN bus.
  • B1010 → Internal memory error in the airbag control unit → There is a defect or corruption in the internal data memory of the airbag control unit.
  • B1060 → Internal power supply module error → The internal power supply of the control unit is faulty or unstable.
  • B1100 → Airbag control unit initialization error → The control unit could not boot up or initialize properly after the ignition was switched on.
  • B1120 → EEPROM data error in the airbag control unit → There are problems reading or writing the configuration data in the EEPROM memory of the control unit.
  • B1140 → Airbag crash memory error (non-accident related) → The memory area for accident data is inconsistent or damaged without an accident having occurred.
  • B1200 → Faulty internal sensor processing → The internal sensors of the control unit for impact detection are providing incorrect data or are themselves defective.

What part numbers are available for the Mercedes-Benz GLE-Class C166 Coupé airbag control unit repair?

For the repair of the Mercedes-Benz GLE-Class C166 Coupé airbag control unit, two precisely validated OEM part numbers are primarily relevant: A1669000220 and A1679009428, both from Mercedes-Benz. These numbers ensure compatibility and functionality for your specific vehicle model and are crucial for a successful repair.

The main part number is A1669000220, which is officially listed by Mercedes-Benz for the M-Class 166, EQC 293 and GLE 292 (including GLE Coupé C166) series and is therefore considered compatible for your vehicle model.

Another OEM part number is A1679009428, also a genuine Mercedes-Benz part, which is compatible for newer GLE models and is listed as certified on specialized platforms; however, compatibility with the C166 should be checked individually.

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
Airbag24

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