16-Pole DLC (X11/4)

16-pole Data Link Connector (X11/4):

Models 124 (except .034/036), 129 (except .060/066)

1 Ground
2 Not used
3 CFI Continuous fuel injection (CIS-E)
4 EDS Electronic diesel system
5 4MATIC
6 AB Airbag/ETR (SRS)
7 A/C Air conditioning, Model 124
7 RB Roll bar, Model 129
8 DI Distributor ignition
8 HFM-SFI HFM sequential multiport fuel injection/ignition
8 PEC Pressurized engine control
9 ADS Adaptive damping system
9 RB Roll bar, Model 124
10 TN-signal (Gasoline)
11 ATA Anti-theft alarm
12 RCL Remote central locking
13 ETC Electronic transmission control
14 EA Electronic accelerator, Model 124
14 CC/ISC Cruise control/idle speed control, Model 124
14 ESCM Engine systems control module (MAS),
Model 129
15 Not used
16 Circuit 15

16-pole Data Link Connector (X11/4s1)(with LED - California):

1 Ground
2 OBD Pushbutton for on-board diagnostics
3 CFI Continuous fuel injection (CIS-E)
3 DM Diagnostic module
4 LED
5 ASD Automatic locking differential
6 AB Airbag/ETR (SRS)
7 A/C Air conditioning, Model 124
7 RB Roll bar, Model 129
8 DI Distributor ignition
8 HFM-SFI HFM sequential multiport fuel injection/ignition
9 ADS Adaptive damping system
9 RB Roll bar, Model 124
10 RST Roadster soft top, Model 129
10 TN-signal (gasoline)
11 ATA Anti-theft alarm
12 RCL Remote central locking
13 ETC Electronic transmission control
14 EA Electronic accelerator, Model 124
14 CC/ISC Cruise control/idle speed control, Model 124
14 ESCM Engine systems control module (MAS),
Model 129
15 Not used
16 Circuit 15