Mercedes Benz diagnostics obd

Introduction

XTOOLS D5S

• https://www.youtube.com/watch?v=gDwrVYJ0tow

Samsara and Verizon

OBD2, OBD2 (MB W211, 2003-). OBD2 from 1996. Connectors: Type A or Type B.

• https://obdplanet.com/obd2-protocol/
• https://en.wikipedia.org/wiki/ELM327
• https://en.wikipedia.org/wiki/OBD-II_PIDs

OdxTools.

• https://github.com/mercedes-benz/odxtools https://pypi.org/project/odxtools/
• https://deepwiki.com/mercedes-benz/odxtools/1-overview

Freediag https://freediag.sourceforge.io/

Adapter https://hackaday.com/tag/iso-15765-4-can/

Mercedes

Mercedes FOSS. https://opensource.mercedes-benz.com/projects/

https://www.forum-mercedes.com/img/members/34569/schema-W211-CAN_59-end.pdf

• CAN B, CAN C, CAN D (X11/4)

ISO 15765-4

W211 https://pinoutguide.com/CarElectronics/mercedes_obd2_diag_pinout.shtml

Pin Number	Pin Name	Description
1	K-Line	Ignition control (EZS), air-conditioner (KLA), PTS, safety systems (Airbag, SRS, AB) and some other
3	TNA	TD engine rotation speed
4,5	GND	Ground
6	CAN-high	CAN-High (including AirBag system in W203, W209, W220, W240, R230, С215 after 2004y)
7	K-Line	Engine control diagnostic (ME/MSM/CDI)
8		Ignition,...
9	K-Line	ABS, ASR, ESP, ETS, BAS diagnostic
11	K-Line	Gearbox and other transmission components (EGS, ETC, FTC)
12	K-Line	All activity module (AAM), Radio (RD), ICS, ...
13	K-Line	AB diagnostic - safety systems
14	CAN-Low	CAN
15	K-Line	IC, KI, TAU, LWR diagnostic
16	+12V	Power