Distronic

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Radar

Name: ART2 B (aka Distronic Plus), "ART210", DTR2

Mercedes part ID: A89 (A89b1 DTR Radar Sensor and A89n1 DTR Control Module integrated in single unit)

This device has only a single connector. This connector is close to VEMO V99-83-0013, but you have to cut the plastic to fit. On older models (ART1), a secondary unit is required and is has a coaxial cable running to it. The plug this coaxial cable is connected to, is used as a venting hole on ART2 / DTR2. Its a much more complex system, check W220 wiki for more information.

Connector 1:

  • A2105403681 "6-PIN MQS;B29"
  • Replacement/self built: VEMO V99-83-0013
  • Pinout:
    1. 0.5 RedGreen: Circuit 87 (POWER)
    2. Not Connected
    3. Not Connected
    4. 0.5 GreenWhite: CAN-C High
    5. 0.5 Green: CAN-C Low
    6. 0.75 Brown: GROUND

Fitment:

  • W219 (CLS)
  • W211 (E), mounted with reflector (might need reflector to work properly?)
  • W230 (SL)

P/N (PLEASE CHECK FOR MISSING COAXIAL PLUG, OTHERWISE ITS ART1):

P/N ART EPC Note
W219 CLS and W230 SL
A0005408817 1 W230 ONLY, until 28/05/2004
A2305400917 W219: until 31/10/2007, W230: from 30/07/2004, replaced by 1417
A2305401417 W219: until 31/10/2007, W230: from 30/07/2004, replaced by 1717
A2305401717 W219: until 31/10/2007, W230: from 30/07/2004, replaced by 1817
A2305401817 W219: until 31/10/2007, W230: from 30/07/2004
A2305400062 W219: 31/10/2007 and up, W230: from 30/07/2004, replaced by 0162
A2305400162 2 W219: 31/10/2007 and up, W230: from 30/07/2004
W211 E (Mounting with reflector)
A2115400617 1
A2115401417 2


Compatibility:

- R170 has no ZGW/CGW

- No mounting frame

- No K-Line, wire directly onto CAN

Fuse: 7.5A

CAN Opcodes
CAN ID Description
0x0254 A1 - Main status
0x025C A2 - Object 1 info
0x0260 A3 - Object 2 info
0x0264 A4 - Object 3 info
0x0268 A5 - Object 4 info

Distronic documentation on W220 wiki https://w220.wiki/Distronic

Initialization

Bootup phase is about 30 seconds. The device needs to detect some particular frame in order to not deem itself faulty.