Mercedes-Benz Understanding the Mercedes 9 Pin Diagnostic Connector for Enhanced Vehicle Analysis

Mercedes Benz Code Scanner CS1000 OB15-11

38-Pin Diagnostic Connector

Models 124.034/036, 129.058/063/067/076, 140, 170, 202, 208, 210

The Mercedes Diagnostic “Mushroom” #140-1463 available from Baum Tools Unltd. is recommended to allow easy access to the diagnostic connector. Call 800-848-6657 or 941- 927-1414 for more information.

Pin	System	Description
1	Ground (Terminal 31)	W12 (Chassis Ground), W15 (Electronics Ground)
2	Voltage, terminal 87	Ignition Switch 12volts +
3	Voltage, terminal 30	Battery 12volts +
4	EDS	Electronic Diesel System
	IFI	In-line Fuel Injection
	DFI	Electronic Distributor-type Fuel Injection (Diesel)
	HFM-SFI	Hot-Film Engine Management Sequential Multiport Fuel Injection/ignition
	LH-SFI	LH Sequential Multiport Fuel Injection System
		Engines 104, 119
		Engine 120 Right Bank
	ME-SFI	Motor Electronics with Sequential Multiport Fuel Injection/ignition System
		Engine 119
		Engine 120, Right Bank
5	LH-SFI	LH Sequential Multiport Fuel Injection, Engine 120 Left Bank
	ME-SFI	Motor Electronics with Sequential Multiport Fuel Injection/ignition System
		Engine 120 Left Bank
6	ABS	Anti-lock Brake System
	ETS	Electronic Traction System
	ASR	Acceleration Slip Regulation
	ESP	Electronic Stability Program
7	EA	Electronic Accelerator+
	ISC	Idle Speed Control
	CC	Cruise Control/idle Speed Control
8	BM	Base Module
	BAS	Brake Assist
9	ASD	Automatic Locking Differential, Models 124, 129, 140
10	EATC	Electronic Automatic Transmission Control (5-speed AT) (722.6)
	ETC	Electronic Transmission Control (722.6)
11	ADS	Adaptive Damping System

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