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Mercedes 38 pin diagnostic connector pinout |
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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 |
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RCL control module |
| 35 |
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Headlamp range adjustmint control module |
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