Mercedes-Benz GLS (X166)

Supported fault codes and engine options for this vehicle. Fault code read and clear work over OBD2.

Model years
2015–2019
Engine options
4
Make-wide fault codes
413

CarCoding supports the Mercedes-Benz GLS (X166) from 2015 to 2019, including models like the GLS 350, GLS 500, AMG GLS 63, and GLS 350d. This app works with an ELM327 BLE OBD2 adapter on iPhone and Android devices. Note that coding data is currently not available for this vehicle.

You can read and clear fault codes using the 413 manufacturer fault code descriptions provided. The app also allows you to view live data from your vehicle's systems. These features help you monitor the status of your GLS directly from your mobile device.

Supported coding modules

No coding modules are defined for this vehicle in CarCoding. Fault code read/clear and live data work over OBD2.

Engine options

Fault codes for this make

There are 413 manufacturer fault code descriptions for Mercedes-Benz · Smart. Open a code block and read what your code means.

Frequently asked questions

What does CarCoding do on the Mercedes-Benz GLS (X166)?

CarCoding reads and clears fault codes and shows live data over OBD2 on the Mercedes-Benz GLS (X166) (2015–2019). No coding modules are defined for this vehicle.

Can I read fault codes on the Mercedes-Benz GLS (X166)?

Yes. Besides standard OBD2 engine codes there are 413 manufacturer fault code descriptions for this make group; you can read and clear them.

Which adapter do I need?

An ELM327-based OBD2 adapter with Bluetooth Low Energy (BLE) is all you need; the app runs on iPhone and Android and is free to download.

How do I start?

  1. Plug an ELM327-compatible OBD2 adapter into the car.
  2. Open CarCoding and connect to the adapter over Bluetooth.
  3. Pick the make and model — or let the VIN identify it.
  4. Read fault codes; on supported vehicles, open the module settings.

Related pages

Get CarCoding

Connect your ELM327 adapter, read fault codes, and browse module settings on supported vehicles.

The app is free to download.