Mercedes-Benz ECU Coding App

Vehicles with coding

15

Vehicles in catalogue

113

Manufacturer fault codes

5,180

With CarCoding, Mercedes-Benz ECU coding settings include Vehicle data: Model series, Vehicle data: Body variant, IHC coding: Coding, ALDW Coding: Warning Mode, and Language Setting. Other examples are Speed Limit (Permanent Speedtronic), Permanent Display Selection, Daytime Running Light, Display Unit Speedometer/Distance, Daytime Running Light Engine-Dependent, Tailgate Opening Limiter, and Radar Sensorics Advanced Distronic.

Examples of codeable settings

• Vehicle data: Model series
• Vehicle data: Body variant
• IHC coding: Coding
• ALDW Coding: Warning Mode
• Language Setting
• Speed Limit (Permanent Speedtronic)
• Permanent Display Selection
• Daytime Running Light
• Display Unit Speedometer/Distance
• Daytime Running Light Engine-Dependent
• Tailgate Opening Limiter
• Radar Sensorics Advanced Distronic

Models with coding data

• A-Class (2012-2018)2012–2018
• A-Series (W176)2012–2018
• AMG GT (C190/R190)2014–2024
• B-Class (2011-2018)2011–2018
• B-Series (W246)2011–2018
• C-Class (2007-2014)2007–2014
• C-Series (W204)2007–2014
• CLS (W218)2010–2018
• CLS-Class (2010-2018)2010–2018
• E-Class (2009-2016)2009–2016
• E-Class Coupe (2009-2017)2009–2017
• E-Series (W212)2009–2016
• E-Series Coupé/Cabrio (C207/A207)2009–2016
• SLC/SLK (R172)2011–2020
• SLK/SLC-Class (2011-2020)2011–2020

Mercedes-Benz — all supported models →

Frequently asked questions

Which app does ECU coding on Mercedes-Benz vehicles?

CarCoding does ECU coding on Mercedes-Benz vehicles from your phone; coding data exists for 15 vehicles. An ELM327-based OBD2 adapter with Bluetooth Low Energy (BLE) is all you need; the app runs on iPhone, Android and Windows and is free to download.

Which Mercedes-Benz models can be coded?

Some of the models with coding data: A-Class (2012-2018) (2012–2018), A-Series (W176) (2012–2018), AMG GT (C190/R190) (2014–2024), B-Class (2011-2018) (2011–2018), B-Series (W246) (2011–2018), C-Class (2007-2014) (2007–2014). The full list is on this page.

Which adapter do I need?

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