Abbreviation Designation Code FG.FUG
* Asterisk marks connector sleeve
with not all wires shown
   
4MATIC Automatically controlled 4-wheel drive   28
42.35
A/C (Automatic) Air Conditioning (Automatic)    
AAC (KLA) Automatic Air Conditioning 581 - automatic air conditioning 83.40
AB AirBag 290 - window airbag
291 - driver and passenger airbag (if driver airbag standard - only for passenger)
291b - airbag for driver and front passenger (if driver's airbag standard - for front passenger only)
292 - side airbag, front, left-hand and right-hand
293 - side airbag in rear, left-hand and right-hand
91.60
ABC Active Body Control 487a - Active Body Control (ABC) 32.50
ABL Exterior lights   82.10
ABS Anti-lock Braking System 470 - anti-lock braking system (ABS) 42.30
ACSR Automatic Child Seat Recognition   91.60
ADM (ASA) Automatic Dimming inside rearview Mirror 249 - automatic dimming inside rearview mirror 68.49
88.79
ADS Adaptive Damping System 216 - level control all round with adaptive damping system (ADS)
217 - level control at rear axle with ADS
32.32
AFE Automatic lane recognition    
AIR Secondary air injection    
AJC (ARA) Anti-Jerk Control    
AP Accelerator Pedal    
APS Auto Pilot System 351 - auto pilot system (APS)
815 - Dynamic destination-finding system
82.61
ARMIN Airbag with indegrated E-Call   91.60
AS Antenna Systems    
ASD Automatic locking differential 211 - rear axle with automatic locking differential (ASD) 35.41
ASR Acceleration Slip Regulation 471 - acceleration slip regulation (ASR) 42.40
AT (AG) Automatic Transmission 420 - automatic 4-speed transmission
423 - automatic 5-speed transmission (722.6)
27.00
ATA (EDW) Anti-Theft Alarm 551 - anti-theft alarm (ATA)
552 - anti-theft alarm (ATA) for Switzerland
82.50
80.50
ATS AnTenna Systems 270 - antenna for GSM cellular telephone
531 - automatic antenna
82.62
82.70
BA Backup Assist    
BA (RFH) Backup Assist 220 - parktronic sytem 54.65
BARO BAROmetric pressure    
BAS Brake ASsist   42
42.31
BCAPC (ALDA) Barometric pressure / Charge Air Pressure Compensation    
BDC Bottom Dead Center    
BDC (UT) 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   54.21
BM (GM) Base Module   54.21
BN BrowN    
BPC Barometric Pressure Compensation    
BPC (ADA) Full throttle stop Barometric Pressure Compensation    
BU BlUe    
CA Closing Assist    
CA (SHI) Closing Assist    
C-AAC Convenience Automatic Air Conditioning   83.40
CAN Controller Area Network (data bus)    
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    
CC (TPM) Cruise Control 440 - cruise control 07
30.30
80.57
CCM Combination Control Module    
CCM (SKF) Multi-function Control Module   54.21
CCS Climate Controlled Seat   91.30
CDC CD Changer    
CDC (CDW) CD Changer 818 - CD changer in trunk (10 CDs)
819 - CD changer in trunk (6 CDs)
819a - CD changer
82.64
CDI Common rail Diesel Injection (CDI)   07.16
CF Convenience Feature    
CF (KFB) Convenience Feature   82.40
80.45
CKA CranK Angle    
CKA (KW) CranK Angle    
CKP CranKshaft Position    
CL Central Locking    
CL (ZV) Central Locking 221 - central locking 80.20
CMP CaMshaft Position    
CNS Communication and Navigation System (only ) 350 - communication and navigation system 82.85
CODE Coding connection    
COM COMmon    
COMAND COckpit MANagement and Data System 860 - TV-Tuner 82.85
CST (CV) Cabriolet Soft Top   77
CTEL (TEL) Cellular TELephone   82.70
CTP Closed Throttle Position (idle)    
CTU Central Triggering Unit   91.60
D2B D2 Bus   82.00
DAS (FBS) Drive Authorization System   82.57
80.57
DCM Door Control Module    
DFVL Left front VSS output    
DFVR Right front VSS output    
DI Distributor Ignition system    
DI (EZL) Distributor Ignition system   15.12
DIAG DIAGnostic connection    
DIAGN DIAGNostic connection    
DMNL (DH) Diagnosis MaNuaL    
DSV Drive authorization System shut-off Valve    
DSV (ASF) Drive authorization System shutoff Valve    
DTC Diagnostic Trouble code    
DTR DisTRonic   30.30
DWR Distance Warning Radar   54.70
E-CALL Emergency CALL   82.95
EA (EFP) Electronic Accelerator   30.20
EATC (EAG) Electronic Automatic Transmission Control   27.19
EBR Engine Braking Regulation    
EBR (MSR) Engine Braking Regulation    
ECL Engine Coolant Level    
ECT Engine Coolant Temperature    
EDC Electronic Diesel Control    
EDR Electronic Diesel Regulation   07
EDS Electronisches Diesel System   07
EGR Exhaust Gas Recirculation    
EGR (ARF) Exhaust Gas Recirculation   14.20
EHD Electronic High pressure Diesel injection system   30.20
EIS Electronic Ignition Switch   80.57
EL Exterior Lights   82.10
ELA (ENR) Electronic Level Adjustment 480 - level control  
EMSC Electric Mirror, Steering Column adjustment, heated mirrors    
EPC Electronic Power Control   30.20
ESA (ESV) Electric Seat Adjustment 222 - driver seat right electrically adjustable
223 - model 140: electricall adjustable rear backrest and head restraints
242 - memory circuit for right electrically adjustable driver seat
91.29
ESC (ELV) Electric Steering Column adjustment 441 - electrically adjustable steering column 46.15
ESCM Engine Systems Control Module    
ESCM (MAS) Engine Systems Control Module    
ESP Electronic Stability Program 472 - electronic stability program (ESP)
472a - electronic stability program (ESP)
42.45
ETC Electronic Transmission Control   27.19
ETR Emergency Tensioning Retractor    
ETR (GUS) Emergency Tensioning Retractor   91.40
91.60
ETS Electronic Traction System 212 - electronic traction system (ETS) 42.35
EVAP EVAPorative emission control system    
FA Driver    
FAN FANfare horns    
FFS Frame Floor System    
FG Function Group    
FP Fuel Pump    
FSA+ Hands-free speaker plus    
FSA- Hands-free speaker minus    
FUG FUnction subGroup    
GD GolD    
GES Vehicle speed signal (VSS)    
GIM Governor Impulse Method    
GN GreeN    
GPS Global positioning system    
GS Seat belt ETR    
GY GreY    
HCS Headlamp Cleaning System    
HCS (SRA) Headlamp Cleaning System 600 - headlamp cleaning system 82.15
HEAT (HAU) Automatic HEATer   83.25
HFM-SFI (HFM) Fuel injection and ignition system (hot film engine management)   07.51
HFS Hands-Free System   82.70
HHT Hand-Held Tester    
HORN HORN signal system    
HRA Headlamp range adjustment 612 - Xenon headlight unit 82.10
HRS (SIF) Heated Rear Seats 872 - electric seat heater for left and right rear seats 91.30
HS Heated Seats    
HS (SIH) Heated Seats 870 - electric seat heater for driver seat on left
871 - electric seat heater for driver seat on right
91.30
IAT Intake Air Temperature    
IC Instrument Cluster    
IC (KI) Instrument Cluster   54.30
IDC In-Dash Controller    
IFI Electronic In-line Fuel Injection (Diesel)    
IFI (ERE) Diesel Injection system (electronic inline Fuel Injection)   07.12
IMM (WFS) IMMobilizer    
IMS Interior Motion Sensor   80.50
IND INDicator    
INTERV Intermittent wipe    
IPS Actual value potentiometer signal    
IR InfRared   80.30
ISC Idle Speed Control    
ISC (ELR) Electronic Idle Speed Control    
ISC (LLR) Idle Speed Control   30.22
IV Input Valve    
KS Knock Sensor    
KSK Control contact    
KSS Knock Sensor System    
KSS (AKR) Knock Sensor System    
KU + Clutch +    
KU - Clutch -    
LA LAmp output (preglow relay)    
LCP Lower Control Panel    
LED G Green feedback LED    
LED R Red feedback LED    
LF Left Front    
LH-SFI (LH) LH Sequential multiport Fuel Injection   07.41
LHS (LL) Left-Hand Steering    
LOC (NV) LOw Compression    
LS (LSA) Loudspeaker System 810 - Sound System
812 - rear speakers
814 - active bass speaker system
82.62
82.60
LSK Idle speed safety contact    
M + Motor +    
M - Motor -    
MAF Mass Air Flow    
MAP Manifold Absolute Pressure    
MB-ISO Diagnostic connector    
MCS (MKS) Multi-Contour Seat   91.25
ME-SFI (ME) Fuel injection and ignition system (motor electronics)   07.61
MFC Special vehicles Multi-Function Control module    
MIL Malfunction Indicator Lamp    
MOT MOTor    
MSC Mirror, Steering Column adjustment, heated mirrors    
MSC (ESL) Mirror, Steering Column adjustment, heated mirrors   46.15
88.79
MSK Open throttle safety contact    
MT Manual Transmission    
MT (MG) Manual Transmission   26.00
MUTE Radio MUTE signal    
MVA Manifold Vacuum Assist    
MVA (SRU) Manifold Vacuum Assist    
N Neutral position    
O2S Oxygen (O2) Sensor    
OBD On-Board Diagnostics    
OBF Overhead Control Panel   54.21
OC Oxidation Catalytic converter    
OG OranGe    
OMS Operating-Monitoring-System    
OSB Orthopedic Seat Backrest    
OSB (MKL) Orthopedic Seat Backrest   91
OSB (OSL) Orthopedic Seat Backrest 404 - orthopedic driver backrest (multi-contour backrest on model 140) on left
405 - orthopedic driver backrest (multi-contour backrest on model 140) on right
91
OV Output Valve    
P Park position    
P + Potentiometer + reference    
P - Potentiometer - reference    
PA Parking Assist    
PARK SW. PARKing brake SWitch    
PE Electrics diagram    
PEC (PMS) Fuel injection and ignition system (pressurized engine control)   07.52
PISI (PLA) Pneumatic Idle Speed Increase    
PK PinK    
PL (SVS) Power Locking 883 - power locking for doors and trunk lid 80.40
PMP (PSV) Partial intake Manifold Preheater   09.20
PNP Park/Neutral Position    
POS POSition    
PROX (ABW) PROXimity warning   54.70
PS Power Steering    
PS (LS) Power Steering    
PSE Pneumatic System Equipment    
PTS ParkTronic System 220 - parktronic system 54.65
PW Power Windows   72.29
PWM Pulse Width Modulation    
RAS (HAS) Rear Axle Steering    
RB Roll Bar   91.50, 51
RB (ÜRB) Rollover Bar   91.50
91.53
91.59
RCL Remote Central Locking   80.50
RCL (IFZ) Remote Central Locking 880 - locking system with infrared remote control 80.30
RD ReD    
RD RaDio 251 - MB Radio - Exquisit - USA
253 - MB Radio - Exquisit - Japan
510 - MB Radio - Exquisit with TP, with RDS (Becker)
511 - MB Radio - Exquisit with TP, with RDS (Panasonic)
512 - MB Radio - Spezial with TP, with RDS
515 - MB Radio - Classic with TP, with RDS
515 - MB Radio - Classic without TP
518 - MB Radio - Exquisit without TP, without RDS
750 - Becker Radio Europa 2000
751 - Becker Radio Grand Prix 2000 with RDS
82.60
RDS Radio Data System    
REST Residual engine heat utilization    
RF Right Front    
RFL Radio Frequency Locking   80.50
RH Retractable Hardtop   77
RHR Retractable rear Head Restraints    
RHR (KAF) Retractable rear Head Restraints 430 - left and right rear head restraints 91.16
RHS RightHand Steering    
RHS (RL) RightHand Steering    
RPM Revolutions Per Minute (engine speed)    
RR Right Rear    
RST (RV) Roadster Soft Top   77.39
RTG Retractable Trunk lid Grip    
RTG (VHG) Retractable Trunk lid Grip   88.52
RTN ReTurn Line    
RTR Remote Trunk Release    
RTR (HDF) Remote Trunk Release 886 - remote trunk release (RTR) 80.20
RÜF Catalytic converter retrofit version 821 - catalytic converter retrofit version (RÜF)  
RWD Rear Window Defroster   67.29
RX Receive    
S Shield (unspecified)    
S - B Set - decelerate    
S+B Set - accelerate    
SA Special equipment    
SAM Signal pickup- and Activation Module    
SBE Seat Belt Extender    
SBE (GUB) Seat Belt Extender   91.45
SLO Starter Lock-Out    
SMS Service Microfiche System    
SMS (RA) Service Microfiche System (repair instructions)    
SN1 Unlocking signal    
SN2 Locking signal    
SOV SwitchOver Valve    
SPS Speed-sensitive Power Steering    
SPS (PML) Speed-sensitive Power Steering   46.50
SR SilveR    
SR Sliding/pop-up sunRoof    
SR Sliding/pop-up Roof   77.20
SRS Supplemental Restraint System    
SS Speed Sensor    
STH STationary Heater 228 - auxiliary heater
230 - remote control for auxiliary heater
83.70
SW SWitch    
T Temperature input (preglow relay)    
TAC (TAU) Tempmatic Air Conditioning 580 - air conditioning or for USA Tempmatic
582 - air conditioning in rear
83.30
TAL (HZS) Trunk lid Auxiliary Lock 884 - trunk lid auxiliary lock (TAL) 88.50
TB Throttle Body    
TC TurboCharger    
TCM Transmission Control Module    
TD Speed signal (Time Division) DI (EZL)    
TDC Top Dead Center    
TDC (OT) Top Dead Center    
TELE TELEscoping    
TELE AID TELEMATIC ALARM IDENTIFICATION ON DEMAND 384 - TELE AID emergency call system 82.95
TK Door contact    
TN Speed signal (DI / KSS <EZL / AKR>)    
TN Engine RPM signal (unmodified)    
TNA Engine RPM signal (re-formed)    
TP (VK) Traffic Program    
TPC (RDK) Tire Pressure Control   40.15
TPM (RDU) Tire Pressure Monitoring   40.15
TQ TurQuoise    
TRAP TRAP oxidizer    
TRIP (RRE) TRIP computer 245 - trip computer 54.50
TRU Transmit-Receive Unit    
TS Anti-Towing Sensor   82.55
TURBO Exhaust gas TURBOcharger    
TVV Tank Vent Valve    
TWC Three Way Catalytic converter    
TWC (KAT) Three Way Catalytic converter 620 - vehicles with catalytic converter 07
49.10
TX Transmit    
UCP Upper Control Panel   54.21
ULLKS Idle speed contact (+ side)    
USK Safety contact +    
VAF Volume Air Flow    
VCS (SBS) Voice Control System 813 - voice control system (VCS) 82.70
VL Left front    
VR Right front    
VSS Vehicle Speed Signal    
VSS (GES) Vehicle Speed Signal   00.19
VT VioleT    
WA Memory recall (resume)    
WH WHite    
WIS Workshop Information System    
WOT Wide Open Throttle (full load)    
YE YEllow    
_ 4 Indicates number of wires connected to the appropriate terminal block or connector sleeve