Cars and bikes interfaces  > Mercedes pinouts
used in models of 1994-2002's - W124, W129, W140, W202, W210, W220,...

 

Pin
Number
Pin
Name
Description (may be empty)
1 GND  Ground
2    Voltage, circuit 87
3    Battery voltage, circuit 30
4    LH-SFI or right LH-SFI control module or ME-SFI or right ME-SFI engine control module or HFM-SFI engine control module; EDS control module
5    Left LH-SFI control module or right engine control module ME-SFI or HFM-SFI engine control module or EDS control module
6    ABS or ABS/ASR or ASR/SPS or ETS/SPS or ESP/SPS control module
7    EA/CC/ISC control module
8    Base module
9    ASD control module
10    Transmission control module (TCM or ETC)
11    ADS control module
12    SPS control module13
13    TNA-Signal (LH/Me/Diesel)
14    O2S (LH)
15    O2S II (LH) or instrument cluster
16    A/C pushbutton control module
17    DI control module or TD-Signal (Diesel) or TN-Signal (LH)
18    Left DI control module
19    Diagnostic module (OBD II)
20    PSE control module
21    CF control module
23    ATA control module
28    Ultrasonic PTS control module
30    SRS control module
31    RCL control module
35    Headlamp range adjustmint control module
38 pin Mercedes X11/4 proprietary of Mercedes 38 pin diagnostic connector connector layout
38 pin Mercedes X11/4 proprietary connector
at the Mercedes car
According to 2 reports in our database (2 positive and 0 negative) this pinout should be correct.

Is this pinout
Mercedes 38 pin diagnostic connector visual pinout:
Mercedes 38 pin diagnostic connector diagram
click to enlarge
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