4MATIC Automatically controlled four-wheel drive AAC Automatic
air conditioning AAM All activity module A/C Air conditioning
(Automatic) A/C 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
EMSC Electric mirror, steering column adjustment, heated mirrors
EPC Electronic power control ESA Electric seat adjustment ESC
Electric steering column adjustment ESCM Engine systems control
module ESP Electronic stability program ETC Electronic transmission
control ETR Emergency tensioning retractor ETS Electronic traction
system EVAP Evaporative emission control system FAN Fanfare horns
FFS Frame floor system FOM Folding outside mirrors FP Fuel pump GIM
Governor impulse method HCS Headlamp cleaning system HFM-SFI HFM
sequential multiport fuel injection/ignition HFS Hands-free system
HHT Hand-Held Tester HM Heated mirrors HORN Horn signal system HS
Heated seats IAT Intake air temperature IC Instrument cluster IDC
In-dash controller IFI In-line fuel injection IL Interior lighting
IR Infrared IRM Inside rearview mirror ISC Idle speed control KS
Knock sensor KSS Knock sensor system LCP Lower control panel LH-SFI
LH sequential multiport fuel injection LHS Lefthand steering LOC
Low compression LS Loudspeaker system MAF Mass air flow MAP
Manifold absolute pressure ME-SFI ME sequential multiport fuel
injection/ignition system MIL Malfunction indicator lamp MSC
Mirror, steering column adjustment, heated mirrors MT Manual
transmission MVA Manifold vacuum assist MWH Main wiring harness NS
Networked Systems (CAN) O2S Oxygen sensor OBD On board diagnostics
OC Oxidation catalytic converter OCP Over-head control panel ORM
Outside rearview mirror OSB Multi-contour/Orthopedic seat backrest
PL Power locking PMP Partial intake manifold preheater PNP Park
neutral position PS Power steering PSE Pneumatic system equipment
PIS Parktronic system PW Power windows PWM Pulse width modulation
RB Roll bar RCL Remote central locking RD Radio REST Residual
engine heat utilization RH Retractable hardtop RHR Retractable rear
head restraints RHS Righthand steering RPM Engine speed RSI
Roadster soft top RIG Retractable trunk lid grip RTR Remote trunk
release RWD Rear window defroster SBE Seat belt extender SLO
Starter lock-out SMS Service microfiche system SOR Seat occupied
recognition SPS Speed-sensitive power steering SR Sliding/pop-up
roof SRS Supplemental restraint system TB Throttle body TC Transfer
case TCM Transmission control module TD Speed signal (time
division) (EZL) TDC Top dead center TIC Transistorized ignition
control TN Speed signal (EZL/AKR) TPC Tire pressure control TRAP
Trap oxidizer TWC Three way catalytic converter VAF Volume air flow
VSS Vehicle speed signal WS Wiper system WOT Wide open throttle
(full load)