Mercedes Benz Workshop Service and Repair Manuals

An engine in poor running order may cause the vacuum systems to operate sporadically.
 

Acronyms - Section 0.1

Acronym

System/Description

4MATIC

Automatically controlled four-wheel drive

AAC

Automatic air conditioning

AMM

All activity module

A/C (Automatic) Air conditioning (Automatic)
A/C (Tempmatic) Air conditioning (Tempmatic)
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

APS

Auto pilot system

AS

Antenna systems

ASD

Automatic locking differential

ASR

Acceleration slip regulation

AT

Automatic transmission

ATA

Anti-theft alarm

BA

Backup assist

BARO

Barometric pressure

BCAPC

Barometric pressure-charge air pressure compensation

BDC

Bottom dead center

BM

Base module

BPC

Barometric pressure compensation

CA

Closing assist

CAN

Controller area network

CC

Cruise control

CCM

Combination control module

CDC

CD changer

CF

Convenience feature

CFI

Continuous fuel injection (electronic)

CFI

Continuous fuel injection (mechanical)

CKA

Crank angle

CKP

Crankshaft position

CL

Central locking

CMP

Camshaft position

CNS

Communication and navigation system

CST

Cabriolet soft top

CTEL

Cellular telephone

CTP

Closed throttle position (idle)

CTU

Central triggering unit

DAS

Drive authorization system

DI

Distributor ignition

DM

Diagnostic module

DSV

Drive authorization system shut-off valve

DTC

Diagnostic trouble code

EA

Electronic accelerator

EBR

Engine braking regulation

ECL

Engine coolant level

ECT

Engine coolant temperature

EDC

Electronic diesel control

EDR

Electronic diesel regulation

EDS

Electronic diesel system

EGR

Exhaust gas recirculation

EI

Electronic Ignition system (distributor-less)

EL

Exterior lighting