Mercedes-Benz ECU Coding App

Vehicles with coding

10

Vehicles in catalogue

110

Manufacturer fault codes

413

Users can modify various settings, including Language Setting, Daytime Running Light, and Fold mirrors on locking. Other adjustable options include Speed Limit (Permanent Speedtronic), Tailgate Opening Limiter, and Intelligent Light System (ILS_FactDef). The app also supports changes to Entry Assist (Easy_Entry_FactDef) and Radar Sensorics Advanced Distronic.

Examples of codeable settings

• 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
• Intelligent Light System (ILS_FactDef)
• Entry Assist (Easy_Entry_FactDef)
• Fold mirrors on locking
• Additional speedometer display

Models with coding data

• 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 10 vehicles. 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.

Which Mercedes-Benz models can be coded?

Some of the models with coding data: 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). 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 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.