Mercedes Benz Workshop Service and Repair Manuals

Wiring Diagram System: System Diagram Layout Explanation

Acronyms Used

Acronym/Abbrev./

Definition

Symbol

A/C (Automatic)

Air Conditioning (Automatic)

AB

AirBag

ABS

Anti-lock Brake System

ACSR

Automatic Child Seat Recognition

ADM

Automatic Dimming inside rearview Mirror

ADS

Adaptive Damping System

AIR

Secondary AIR injection

AP

Accelerator Pedal

AS

Antenna Systems

ASD

Automatic locking differential

ASR

Acceleration Slip Regulation

AT

Automatic Transmission

ATA

Anti-Theft Alarm

B+

Generator output voltage, hot when engine is running

BA

Backup Assist

BARO

BAROmetric pressure

BAS

Brake Assist

BCAPC

Barometric pressure-Charge Air Pressure Compensation

BDC

Bottom Dead Center

BF

Front passenger

BK

Black

BLS

Brake Lamp Switch

BLS (NC)

Brake Lamp Signal (normally closed switch)

BLS (NO)

Brake Lamp Signal (normally open switch)

BM

Base Module

BN

BrowN

BPC

Barometric Pressure Compensation

BU

Blue

CA

Closing Assist

CAN

Controller Area Network

CAN H

Engine CAN-Bus High signal

CAN IH

Interior CAN-Bus High signal

CAN IL

Interior CAN-Bus Low signal

CAN L

Engine CAN-Bus Low signal

CC

Cruise Control

CCM

Combination Control Module

CCS

Climate Sontrolled Seat

CDC

CD Changer

CF

Convenience Feature

CFI

Continuous Fuel Injection system (electronic)