Code Readers
ELM327 On Board Diagnostic (OBD) Wireless Adapter
Reference: W220 Wiki Section WIS 58 Tools and Accessories
Description - On Board Diagnostic (OBD) Wireless Adapters
The Super Mini ELM327 Bluetooth Adapter is an inexpensive and very easy way of getting OBD data.
Application - On Board Diagnostic (OBD) Wireless Adapters
The adapter plugs into the OBDII Port just under the Steering Wheel and connects wirelessly to a Smart Phone via Bluetooth. Many vehicle parameters can be monitored for real time analysis and the data stored in files for later analysis. The files can be transferred to a computer for use in spread sheets, drawing graphs etc.
Availability - On Board Diagnostic (OBD) Wireless Adapters
Google Wireless Wifi Scanner OBD2 OBDII Diagnostic Reader for Android iPhone iPod.
There are many Apps available in the Apple iTunes Store or Android Google Play Store for connecting to the OBD Adapters via Bluetooth and can be used for many diagnostic tasks including reading Diagnostic Trouble Codes (DTC).
Typical Use
Example - Using an ELM327 On Board Diagnostic (OBD) Wireless Adapter
Here is a link to an article on using an ELM327 On Board Diagnostic (OBD) Wireless Adapter and a Samsung Galaxy S4 Smart Phone for automatically logging the engine coolant temperature versus time.