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Home >> Mercedes Benz >> 2015 >> C300 Base >> Repair and Diagnosis >> General Information >> OEM General Information >> Overall Vehicle - 205 Chassis (4D Sedan) - 1 Of 3 >> User Information >> Abbreviations of signal and circuit designations for wiring diagrams - OV00.01-P-1001-28FBA

Abbreviations of signal and circuit designations for wiring diagrams - OV00.01-P-1001-28FBA

MODEL 205, 253 

Abbreviation Designation
15 Circuit 15
30 Circuit 30
30L Circuit 30 (left)
30R Circuit 30 (right)
30c Circuit 30c
31 Circuit 31
31L Circuit 31 (left)
31R Circuit 31 (right)
50 Circuit 50
50 (Shut Down) Circuit 50
54 Circuit 54
55 Circuit 55
58 Circuit 58
85 Circuit 85
86 Circuit 86
87 Circuit 87
- Ground connection
- (+) Motor, right, left-hand rotation
(-) Ground connection
(-)_REL Y Ground
(-)_REL_SCRCM Ground
(-)_REL1 Ground
(+) Voltage supply
-(+) Motor, right, left-hand rotation
+(-) Motor, left, right-hand rotation
(+/-) Motor, right, left-hand rotation
(+) 5V Power supply 5Volt
(+) SV Power supply 5Volt
(+)_BC_R_REL Actuation of relay
(+)_POWER- Voltage supply
(+)_REL Y Actuation
(+)_REL1 Actuation
(+)_REL3 Actuation
49L Circuit 49L
49LR Circuit 49LR
_50 (-) Actuation of relay for terminal 50, starter (negative)
_50 (+) Actuation of relay for terminal 50, starter (positive)
58d Circuit 58d
87M Circuit 87M
_87M Circuit 87M
_Hyb (-) Hybrid (-)
_Hyb (+) Hybrid (+)
+ Voltage supply
+ (-) Motor, left, right-hand rotation
+12V Power supply 12Volt
+5V Power supply 5Volt
115V AC1 115 Volt
115V AC2 115 Volt
12V Power supply 12Volt
12V LIN B8-Power supply 12Volt LIN
15/87 Circuit 15/87
15R Circuit15R
2_SR_Li Left rear compartment lamp
2_SR_Re Right rear compartment lamp
230V AC1 230 Volt
230V AC2 230 Volt
30 Lade. Circuit 30
30 rechts Circuit 30
30 ung. Circuit 30
30_1 Circuit 30_1
30_2 Circuit 30_2
30c Circuit 30 c
30g Circuit 30 g
30z Circuit 30 z
31 Sense Circuit 30
49 L Circuit 49, left
49 R Circuit 49, right
56a L Circuit 56a, left
56b L Circuit 56b, left
56b R Circuit 56b, right
58d Variable instrument/switch illumination
58d_Poti. Variable instrument/switch illumination
5V Power supply 5Volt
5V+ Power supply 5Volt
87/1 Circuit 87_1
87/2 Circuit 87_2
87/3 Circuit 87_3
87/4 Circuit 87_4
87C Circuit 87C
87C_1 Circuit 87C1
87c1 Circuit 87C1
87f Circuit 87f
87M_1 Circuit 87M1
87M_2 Circuit 87M2
87M_3 Circuit 87M3
87M_4 Circuit 87M4
87M2 Circuit 87M2
A (-) Actuation of relay kR (-)
A (+) Relay kR actuation (+)
A_BR Actuation of bistable relay
A_BR (-/+) Actuation of bistable relay
a_HA (Psi5-) Rear body acceleration sensor (minus)
a_HA (Psi5+) Rear body acceleration sensor (plus)
A_M_K_KK Actuation of refrigerant compressor magnetic clutch
A_P_TNA Signal
A_P_ZUE1 Ignition coil actuation (spark plug 1)
A_P_ZUE2 Ignition coil actuation (spark plug 2)
A_P_ZUE3 Ignition coil actuation (spark plug 3)
A_P_ZUE4 Ignition coil actuation (spark plug 4)
A_P_ZUE5 Ignition coil actuation (spark plug 5)
A_P_ZUE6 Ignition coil actuation (spark plug 6)
A_P_ZUE7 Ignition coil actuation (spark plug 7)
A_P_ZUE8 Ignition coil actuation (spark plug 8)
A_RLY Actuation of relay kN
A_RLY_VKP_BRM Actuation of Adaptive Brake vacuum pump (plus)
A_S_SAM Front SAM control unit
A_S_SG Start On-board electrical system switchover
A_S_STRH Actuation of relay for terminal 50, starter (positive)
A_S_STRL Actuation of relay for terminal 50, starter (negative)
A_SMOL Actuation of switchable engine mount
A_U_5VSP1 Voltage supply
a_VL (Psi5-) Left front body acceleration sensor (negative)
a_VL (Psi5+) Right front body acceleration sensor (positive)
a_VR (Psi5-) Right front body acceleration sensor (negative)
a_VR (Psi5+) Right front body acceleration sensor (positive)
AAV Actuation of activated charcoal canister shutoff valve
ACT_ENG_HD (-) Left front bumper pedestrian protection sensor (minus)
ACT_ENG_HD (+) Left front bumper pedestrian protection sensor (plus)
ACT_ENG_HD_R (-) Right front bumper pedestrian protection sensor (minus)
ACT_ENG_HD_R (+) Right front bumper pedestrian protection sensor (plus)
AFV Actuation of A/C compressor
ALDW- Steering wheel vibration motor ground connection M99
ALDW+ Steering wheel vibration motor power supply M99
AMPS/CDMA AMPS/CDMA signal
AMPS/DVMA AMPS/DVMA signal
Anst (-) Rel_Star. Actuation of relay for terminal 50, starter (negative)
Anst (+) Rel_Starter Actuation of relay for terminal 50, starter (positive)
Anst(-) CPC_PIN_B25 Actuation
Anst(-) R_A_S Komp. Actuation of AIRmatic compressor (minus)
Anst(-) Rel. Strt. Actuation of relay for terminal 50, starter (negative)
Anst(+) R_A_S Komp Actuation of AIRmatic compressor (plus)
Anst(+) Rel. Strt. Actuation of relay for terminal 50, starter (positive)
Anst(+)_87M Actuation of relay for terminal 87M
Anst. Actuation
Anst. Bistabile Relais Actuation
Anst. (-) Actuation of relay for terminal 50, starter (negative)
Anst. (+) Actuation of relay for terminal 50, starter (positive)
AS_AAV Actuation of activated charcoal canister
ASV_HV_KG Actuation of high-voltage battery cooling shutoff valve Y19/1
AUX AUX supply
AUX Supply AUX supply
Aux Supply AUX supply
AVOD_Sig. Actuation of shutoff valve for oil spray nozzles Y131
AWL Exit and warning lamp power supply
B_D_LIN C1 Drive train LIN
BAT + Circuit 30
BBV_VR Actuation
B_D_KW-Ref-P1 Signal
BF_L_DR (-) Driver emergency tensioning retractor squib 2 (minus)
BF_L_DR (+) Driver emergency tensioning retractor squib 2 (plus)
BF_L_FPS (-) Front passenger emergency tensioning retractor squib 2 (minus)
BF_L_FPS (+) Front passenger emergency tensioning retractor squib 2 (plus)
BL Center brake light
BL_L Brake light, taillight (left)
BL_R Brake light, taillight (right)
BLS_GND Brake light switch ground
BLS_SUP Brake light switch power supply
BMSL_L Left stop lamp
BMSL_R Right stop lamp
BMSL_SL_L Left brake light/taillight
BMSL_SL_R Right brake light/taillight
BPV_Sig Exhaust gas recirculation cooler bypass switchover valve
BT Bluetooth®
CAN A H Telematics CAN (High)
CAN A L Telematics CAN (LOW)
CAN AMG H AMG CAN (High)
CAN AMG L AMG CAN (Low)
CAN B H Interior CAN (High)
CAN B L Interior CAN (Low)
CAN_B_H Interior CAN (High)
CAN_B_L Interior CAN (Low)
CAN C H Engine CAN (High)
CAN C L Engine CAN (Low)
CAN C1 H Drive train CAN (High)
CAN C1 L Drive train CAN (Low)
CAN H CAN bus (High)
CAN L CAN bus (low)
CAN HMI H User interface CAN (High)
CAN HMI L User interface CAN (Low)
CAN I H Drive train sensor CAN (High)
CAN I L Drive train sensor CAN (Low)
CAN K H Multifunction CAN (High)
CAN K L Multifunction CAN (Low)
CAN L H Hybrid CAN (High)
CAN L L Hybrid CAN (Low)
CAN PER H Periphery CAN (High)
CAN PER L Periphery CAN (Low)
CAN-A H Telematics CAN (High)
CAN-A L Telematics CAN (LOW)
CAN-B H Interior CAN (High)
CAN-B L Interior CAN (Low)
CAN-C H Engine CAN (High)
CAN-C L Engine CAN (Low)
CAN-C1 H Drive train CAN (High)
CAN-C1 L Drive train CAN (Low)
CAN-D H Diagnostic CAN (High)
CAN-D L Diagnostic CAN (Low)
CAN-H H Vehicle dynamics CAN (High)
CAN-H L Vehicle dynamics CAN (Low)
CAN-HMI H User interface CAN (High)
CAN-HMI L User interface CAN (Low)
CAN-I H Drive train sensor CAN (High)
CAN-I L Drive train sensor CAN (Low)
CAN-L H Hybrid CAN (High)
CAN-L L Hybrid CAN (Low)
CAN-PER H Periphery CAN (High)
CAN-PER L Periphery CAN (Low)
CAN-S1 H Radar CAN 1 (High)
CAN-S1 L Radar CAN 1 (Low)
CAN-S2 H Radar CAN 2 (High)
CAN-S2 L Radar CAN 2 (Low)
Center + Center instrument panel speaker (positive)
Center - Center instrument panel speaker (negative)
COC_Bel. Warning light switch illumination
COC_SW Warning light switch
CP Control pilot signal line charging current
Crash Crash signal
Crash Analog Crash signal
Crash Sig. Crash signal
Crash_DR_LR (-) Left rear door pressure sensor (negative)
Crash_DR_LR (+) Left rear door pressure sensor (positive)
Crash_DR_RR (-) Right rear door pressure sensor (negative)
Crash_DR_RR (+) Right rear door pressure sensor (positive)
Crash_FR_L (-) Left front door pressure sensor (negative)
Crash_FR_L (+) Left front door pressure sensor (positive)
Crash_FR_R(-) Right front door pressure sensor (negative)
Crash_FR_R(+) Right front door pressure sensor (positive)
Crash_LF (-) Left frontal acceleration sensor (negative)
Crash_LF (+) Left frontal acceleration sensor (positive)
Crash_LH (-) Left sidebag sensor (negative)
Crash_LH (+) Left sidebag sensor (positive)
Crash_RF (-) Right frontal acceleration sensor (negative)
Crash_RF (+) Right frontal acceleration sensor (positive)
Crash_RH (-) Right sidebag sensor (negative)
Crash_RH (+) Right sidebag sensor (positive)
D- Universal serial bus data -
D+ Universal serial bus data +
DAB DAB antenna
DAM_HL1 (HS) Left rear suspension strut control valve (plus)
DAM_HL1 (LS) Left rear suspension strut control valve (minus)
DAM_HR1 (HS) Right rear suspension strut regulating valve (positive)
DAM_HR1 (LS) Right rear suspension strut control valve (minus)
DAM_HL2 (HS) Left rear Active Body Control damping valve (positive)
DAM_HL2 (LS) Left rear Active Body Control damping valve (negative)
DAM_HR2 (HS) Right rear Active Body Control damping valve (positive)
DAM_HR2 (LS) Right rear Active Body Control damping valve (negative)
DAM_VL1 (HS) Left front suspension strut closed-loop control valve (positive)
DAM_VL1 (LS) Left front suspension strut closed-loop control valve (negative)
DAM_VL2 (HS) Left front Active Body Control damping valve (positive)
DAM_VL2 (LS) Left front Active Body Control damping valve (negative)
DAM_VR1 (HS) Right front suspension strut closed-loop control valve (positive)
DAM_VR1 (LS) Right front suspension strut closed-loop control valve (negative)
DAM_VR2 (HS) Right front Active Body Control damping valve (positive)
DAM_VR2 (LS) Right front Active Body Control damping valve (negative)
DATA WE 2 Rear parking system indicator
DATA_S1 Outer left front parking system distance sensor data
DATA_S10 Inner left rear parking system distance sensor data
DATA_S11 Center left rear parking system distance sensor data
DATA_S12 Outer left rear parking system distance sensor data
DATA_S2 Center left front parking system distance sensor data
DATA_S3 Inner left front parking system distance sensor data
DATA_S4 Inner right front parking system distance sensor data
DATA_S5 Center right front parking system distance sensor data
DATA_S6 Outer right front parking system distance sensor data
DATA_S7 Outer right rear parking system distance sensor data
DATA_S8 Center right rear parking system distance sensor data
DATA_S9 Inner right rear parking system distance sensor data
DCM Throttle valve actuator
DCP Throttle valve actuator
Diag. Diagnosis
DND Sig. Pressure sensor signal
DPF_Sig Diesel particulate filter signal
DRV Actuation of pressure regulator valveY74
DS1 Signal for pressure sensor downstream of air filter B28/5, right cylinder bank
DS2 Signal for pressure sensor upstream of throttle valve B28/6
DSRC DSRC antenna
DVHS (-) AdBlue® metering valve actuation (negative)
DVHS (+) AdBlue® metering valve actuation (positive)
DWS_HL (-) Left rear level sensor (negative)
DWS_HL (+) Left rear level sensor (positive)
DWS_HL (Psi5-) Left rear level sensor (negative)
DWS_HL (Psi5+) Left rear level sensor (positive)
DWS_HR (Psi5-) Right rear level sensor (negative)
DWS_HR (Psi5+) Right rear level sensor (positive)
DWS_VL (Psi5-) Left front level sensor (negative)
DWS_VL (Psi5+) Left front level sensor (positive)
DWS_VR (Psi5-) Right front level sensor (negative)
DWS_VR (Psi5+) Right front level sensor (positive)
DZS_HL_H Signal
DZS_HL_L Signal
DZS_HR_H Signal
DZS_HR_L Signal
DZS_VL_H Signal
DZS_VL_L Signal
DZS_VR_H Signal
DZS_VR_L Signal
E_A_DST Pressure sensor downstream of throttle valve
E_A_GNAG2 Signal for purging pressure sensor B4/4
E_A_G2 Signal
E_A_SP1S Signal 1
E_A_SP2S Signal 2
E_A_GA2 Signal
E_A_TANS Intake manifold intake air temperature sensor
EKP_EC_U AC signal for fuel pump (phase U)
EKP_EC_V AC signal for fuel pump (phase V)
EKP_EC_W AC signal for fuel pump (phase W)
EKP1 Fuel pump "ON"
EKPR Fuel pump "ON"
EKR Fuel pump actuation
ELV-Sig. Signal for electric steering lock
Enable (-) Signal for DC/AC converter control unit (minus)
Enable (+) Signal for DC/AC converter control unit (plus)
Eng.Contr.Mod.Kl.15 Circuit 15
Entkop_SW_MR Actuation
ETN_Rx- Ethernet Receiving (minus)
ETN_Rx+ Ethernet Receiving (plus)
ETN_Tx- Ethernet Transmission (minus)
ETN_Tx+ Ethernet Transmission (plus)
EXP Fuel pump actuation
EXP_Lauf Fuel pump actuation
EXTS1 Signal for temperature sensor upstream of turbocharger
FEED Power supply for rear parking system sensors
FEED WE 2 Rear parking system indicator
FHS_DOWN Power window switch, front passenger side
FHS_UP Power window switch, front passenger side
FL+ Left front door speaker (positive)
FL- Left front door speaker (negative)
FR+ Right front door speaker (positive)
FR- Right front door speaker (negative)
FLEX-E_3_BM FlexRay bus (Low)
FLEX-E_3_BP FlexRay bus (High)
Flex Ray_BM1 FlexRay bus (Low)
Flex Ray_BP1 FlexRay bus (High)
FlexRay E A2 BM FlexRay bus (Low)
FlexRay E A2 BP FlexRay bus (High)
FlexRay_1_BM FlexRay bus (Low)
FlexRay_1_BP FlexRay bus (High)
FlexRay_2_BM FlexRay bus (Low)
FlexRay_2_BP FlexRay bus (High)
FlexRay_4_BM FlexRay bus (Low)
FlexRay_4_BP FlexRay bus (High)
FlexRay_A1_BM_1 FlexRay bus (Low)
FlexRay_A1_BP_1 FlexRay bus (High)
FlexRay_A2_BM_2 FlexRay bus (Low)
FlexRay_A2_BP_2 FlexRay bus (High)
FlexRay_BM FlexRay bus (Low)
FlexRay_BP FlexRay bus (High)
FlexRay_E_A1_BM FlexRay bus (Low)
FlexRay_E_A1_BP FlexRay bus (High)
FlexRay_E_A2_BM FlexRay bus (Low)
FlexRay_E_A2_BP FlexRay bus (High)
FlexRay_E_T_BM FlexRay bus (Low)
FlexRay_E_T_BP FlexRay bus (High)
FM2 FM 2, AM, CL [ZV] and KEYLESS GO antenna amplifier
FRA_L Left turn signal lamp
FRA_R Right turn signal lamp
Fuel Lev_1 Signal for fill level sensor for left fuel tank fuel level indicator
Fuel Lev_2 Signal for fill level sensor for right fuel tank fuel level indicator
FV_ZSP (-) Filling valve for AIRmatic central reservoir (minus)
FZV FM 1, AM, CL [ZV] and KEYLESS GO antenna amplifier
F58kN Actuation
G_R_GND Sensor ground for temperature sensor upstream of SCR catalytic converter
GDS_Sig Exhaust pressure sensor signal
GND Ground connection
GND WE 2 Rear parking system indicator
GND_VAC_PUMP Vacuum pump ground connection
GPS GPS signal
GSM GSM signal
HD_O Rear switching module upper sensor
HD_U Rear switching module lower sensor
Heater 1 Condensation sensor heating element actuation 1
Heater 2 Condensation sensor heating element actuation 2
Heater (-) Left oxygen sensor downstream of catalytic converter
HEL_Sig Vent line heater element
HEM (-) Heating element for auxiliary heater ground connection (minus)
HEM (+) Power supply for auxiliary heater heating element
HEMT_DL AdBlue® pressure line heating element
HF_Sig1 Hot film mass air flow sensor signal 1
HF_Sig2 Hot film mass air flow sensor signal 2
HFS Trunk lid/liftgate control button signal
HF-Sig. Hot film MAF sensor signal
HGB li. Left inside taillight
HGB re. Right inside taillight
HGB_AL Left side marker lamp actuation
HGB_L Left inner taillight actuation
HGB_R Right inner taillight actuation
HK_SL_VL Left front backrest heater pad actuation
HS Hall sensor signal
HS 1 Hall sensor 1
HS 2 Hall sensor 2
HS1 Hall sensor 1
HSD Hall sensor 2
HSH Rear fuse and relay module
HV (-) High voltage (-)
HV (+) High voltage (+)
HVIL in High voltage interlock input
HVIL out High voltage interlock outlook
I_A_APP1 Sensor signal 1
I_A_APP2 Sensor signal 2
I_A_EXTS3 Signal
I_A_EXTS4 Signal
I_A_LPOER Signal
ILS_LH Left interior rear compartment lamp
ILS_RH Right interior rear compartment lamp
Inj H Fuel injector
Inj L Fuel injector
Inj. High Fuel injector
Inj. Low Fuel injector
INJ_H Fuel injector
INJ_L Fuel injector
Ion oxy pump Left oxygen sensor upstream of catalytic converter
IP1S Actual value potentiometer (sliding contact 1) signal
IP2S Actual value potentiometer (sliding contact 2) signal
ISM ISM emergency path actuation
K-Line K-LINE
KDS Sig. Fuel pressure sensor B4/7 signal
KJA Radiator shutters actuation
Kl. 30 ung. Circuit 30, unfused
Kl.15 Rel S Actuation
Kl.87C_1 Circuit 87C_1
KPA_HL Sig. Left rear KEYLESS-GO door handle signal
KPS_HR Sig. Right rear KEYLESS-GO door handle signal
KPS_VL Sig. Left front KEYLESS-GO door handle signal
KPS_VR Sig. Left front KEYLESS-GO door handle signal
KTS_Sig. Signal
KRL L Left luggage compartment lamp
KRL R Right luggage compartment lamp
L1 AC phase 1
L20 Rotor position sensor
LIN C13 Drive train LIN bus
LDS_SGN_1 Signal 1 exterior lights switch (S1)
LDS_SGN_2 Signal 2 exterior lights switch (S1)
LDS_SGN_3 Signal 3 exterior lights switch (S1)
LDS_Sig. Boost pressure sensor
LED (+) LED power supply
LED 1 LED 1 signal
LED 2 LED 2 signal
LED/Xe Control Circuit 56b, left
LF_ANT_HNT1 Trunk KEYLESS GO antenna
LF_ANT_HNT2 Trunk KEYLESS-GO antenna signal
LF_ANT_INNR1 Center console KEYLESS-GO antenna
LF_ANT_INNR2 Center console KEYLESS-GO antenna signal
LF_ANT_L1 Left rear door KEYLESS GO antenna
LF_ANT_L2 Left rear door KEYLESS-GO antenna signal
LF_ANT_R1 Right rear door KEYLESS GO antenna
LF_ANT_R2 Right rear door KEYLESS GO antenna signal
LIN LIN bus
LIN 1 Instrument panel LIN
LIN 2 Climate control-LIN2 (LIN B8-2) data
LIN 3 A/C operating LIN (LIN B8-3) data
LIN B13 Roof LIN
LIN B14 Alarm system LIN
LIN B15 Battery sensor LIN
LIN B16 Rain and light sensor LIN
LIN B26 Massage components LIN
LIN B27 KEYLESS-GO-LIN (LIN B27)
LIN B28 Heater LIN
LIN B5 Left front door LIN (LIN B5)
LIN B6 Right front door LIN (LIN B6)
LIN B8-1 Climate control-LIN1 (LIN B8-1) data
LIN B8-2 Climate control-LIN2 (LIN B8-2) data
LIN B8-3 A/C operating LIN (LIN B8-3) data
LIN C1 Drive train LIN
LIN E2 Seat occupied recognition LIN
LIN G1 Left headlamp LIN
LIN G2 Right headlamp LIN
LIN GND LIN bus ground connection
LL_BU Light strip ambiance illumination (blue) actuation
LL_RD Light strip ambiance illumination (red) actuation
LL_WH Light strip ambiance illumination (white) actuation
LL_YE Light strip ambiance illumination (yellow) actuation
LLS_LH Left rear reading lamp
LLS_RH Right rear reading lamp
LPV Actuation of purging switchover valve
LS2HK Left oxygen sensor downstream of catalytic converter signal
LSCP1 Pump current for oxygen sensor upstream of catalytic converter
LSH1 Supply voltage for heater oxygen sensor upstream of catalytic converter
LSH1HK Right heating element oxygen sensor downstream of catalytic converter actuation
LSH2HK Left heating element oxygen sensor downstream of catalytic converter actuation
LSHK Signal, right oxygen sensor downstream of catalytic converter
LSP- Steering wheel downshift button.
LSP+ Steering wheel upshift button.
LSVG1 Signal
LSVN1 Signal
Luftf_Komp_Rel AIRmatic compressor power supply
LVDC+ Low voltage differential signal (plus)
LVDS- Low voltage differential signal (ground connection)
LVDS HU Tx- Low voltage differential signal (ground)
LVDS HU Tx+ Low voltage differential signal (plus)
LVDS RX- Low voltage differential signal receiving (minus)
LVDS RX+ Low voltage differential signal receiving (plus)
LVDS+ Low voltage differential signal (plus)
LWR Headlamp range adjustment
LWR Sig. Signal
LWR_Sig. Headlamp range adjustment signal
M-(+) Motor minus (plus)
M- (+) Motor minus (plus)
M_R_SP2 Accelerator pedal sensor signal
M+ Motor plus
M+(-) Motor plus (minus)
M+ (-) Motor plus (minus)
max Maximum
MHK_S_L Left engine hood contact switch signal
Mic + Microphone 1 (plus)
Mic - Microphone 1 (minus)
Mic. 1 + Microphone 1 (plus)
Mic GND Microphone (negative)
Mic. 1 GND Microphone 1 (minus)
Mic1_In+ Microphone 1 (plus)
Mic2_In+ Microphone 2 (plus)
Mid_FL- Left rear door midrange speaker (minus)
Mid_FL+ Left rear door midrange speaker (plus)
Mid_FR- Right rear door midrange speaker (minus)
Mid_FR+ Right rear door midrange speaker (plus)
Mid_RL- Left rear sidewall lining midrange speaker (minus)
Mid_RL+ Left rear sidewall lining midrange speaker (plus)
Mid_RR- Right rear sidewall lining midrange speaker (minus)
Mid_RR+ Right rear sidewall lining midrange speaker (plus)
min Minimum
MOST MOST bus
MOST IN MOST Receiver IN
MOST OUT MOST Transmitter OUT
MOT Motor (positive)
MOT_(+) Motor (positive)
Mot. L-(+) Motor right-handed/left-handed rotation for electronic parking brake, left
Mot. L+(-) Motor left-handed/right-handed rotation for electronic parking brake, left
Mot. R-(+) Motor right-handed/left-handed rotation for electronic parking brake, right
Mot. R+(-) Motor left-handed/right-handed rotation for electronic parking brake, right
MP/00 Ground connection
MP/01 Front radar sensors power supply
MR Sons 1 Ground
MR_ESNF3 Ground connection
Mute Mute function
Mute, VCS Mute function
NC Not assigned
NIV_ABLV (-) ABC switchover valve (minus)
NIV_ABLV (+) ABC switchover valve (plus)
Niv_HL (-) Left rear level control valve (minus)
Niv_HR (-) Right rear level control valve (minus)
Niv_VL (-) Left front level control valve (minus)
Niv_VR (-) Right front level control valve (minus)
NOT Emergency cutoff
NSL Rear fog lamp actuation
NSL_L Left rear fog lamp
NSL_R Right rear fog lamp
NSW_L Left fog lamp
NW2A2 Left exhaust camshaft solenoid actuation
NWEA2 Left exhaust camshaft Hall sensor signal
NWG1 Right intake camshaft Hall sensor signal
NWGA1 Right exhaust camshaft Hall sensor signal
NWGE2 Left intake camshaft Hall sensor signal
NWG-Sig. Sensor signal for camshaft Hall sensor
NWSA1 Right exhaust camshaft solenoid actuation
NWSE1 Right intake camshaft solenoid actuation
NWSE2 Left intake camshaft solenoid actuation
O_S_MRLY AdBlue® relay actuation
O_S_MRLY_HS Actuation of relay for terminal 87M
O_T_neg Signal
O_T_OTC Actuation of coolant thermostat heating element
O_T_pos Signal
O_T_RAHT1 Heating element AdBlue® container actuation
O_T_RAMCP AdBlue® extraction pump actuation
O_V_RAMCP AdBlue® extraction pump actuation
O_T_RAPP AdBlue® delivery pump actuation
O_V_RAPP AdBlue® delivery pump actuation
Out - Speaker (minus)
Out + Speaker (plus)
PAS Signal
PAS A Signal
PAS B Signal
PAS_SIG2 Pedal angle sensor signal 2
Pos. 1 li. Left position lamp
Pos. 1 re. Right position lamp
Pos. SML Side marker lamp position lamp
Pos. TFL Daytime running lamps position lamp
POT Potential equalization high-voltage components
Poti Sig. Signal
PP Proximity signal line charging current
PWM Pulse width modulation
PWM Sig. Pulse width modulation signal
PYFFB Hybrid (-) Hybrid pyrofuse (minus)
PYFFB Hybrid (+) Hybrid pyrofuse (plus)
R12/13 (-) Squib 1, driver airbag (negative)
R12/13 (+) Squib 1, driver airbag (positive)
R12/14 (-) Squib 2, driver airbag (negative)
R12/14 (+) Squib 2, driver airbag (positive)
REG Actuation of purging switchover valve
REL T Relay kT actuation
REL_R Relay kR actuation (+)
Rel_Vac_Pump Vacuum pump relay actuation
Relais U Anst. (+) Actuation
Relais X Anst Actuation
Res Reserve slot fuse
RFL Actuation of backup lamp
RFL_L Left backup lamp actuation
RFL_R Right backup lamp actuation
RL+ Left rear door/side paneling speaker (positive)
RL- Left rear door/side paneling speaker (negative)
RR+ Right rear door/side paneling speaker (positive)
RR- Right rear door/side paneling speaker (negative)
RSS_close_HSD Relay F32/4k2 actuation
RSS_close_LSD Relay F32/4k2 actuation
RSS_open_HSD Relay F32/4k2 actuation
RSS_open_LSD Relay F32/4k2 actuation
Rx- Receiving (minus)
Rx+ Receiving (plus)
RX-LWL Receiving (minus)
S1_SIG Signal 1
S2_SIG Signal 2
S_DL_LH Left rear dome lamp button signal
S_DL_RH Right rear dome lamp button signal
S_S_VREF3 Signal
S_SL_VL Mirror lamps power supply
SB_LR (-) Left rear sidebag squib (minus)
SB_LR (+) Sidebag squib in left rear (plus)
SB_RR (-) Sidebag squib in right rear (minus)
SB_RR (+) Sidebag squib in right rear (plus)
SDARS Signal
SDV_Sig Sensor signal for low-pressure turbocharger boost pressure sensor
Seat_Heater Heated seats actuation
SEB Signal
SEB (KL.50) Signal
Sensor (-) Ground connection
Sensor Sig. Signal
Sensor Signal Signal
Setpoint Variable resistor
SGN Sensor signal for fuel pressure sensor
Shield Shielding
Sig Signal
Sig. Signal
Sig. 1 Signal 1
Sig. pressure Pressure signal
Sig._ARFS Signal
Sig._EKA Signal
Sig._PMOT Signal
Sig.1 Signal
Sig.1 L20 Signal 1
Sig.2 Signal 2
Sig.2 L20 Signal 2
Sig.3 L20 Signal 3
Sig.4 L20 Signal 4
Sig.-DSZL Pressure signal
Signal Signal
Signal (-) Signal
Signal 1 Signal 1
Signal 2 Signal 2
Signal 3 Signal 3
Signal 4 Signal 4
Signal A Signal A
Signal B Signal B
Signal temp. Temperature signal
SL Taillamp
SL_L Left taillamp
SL_R Right taillamp
SL1_R Right taillamp
SL2_L Left taillamp
SML Side-marker lamp
SML_L Left front side-marker lamp
SML-L Left front side-marker lamp
SML_R Right front side-marker lamp
SOS Radio help call
SP (-) Ground connection for locking finger and sensor, trailer hitch release
SP 1 Locking finger signal 1
SP 2 Locking finger signal 2
SP1M Signal ground 1 accelerator pedal sensor
SP1S Sensor signal 1 accelerator pedal sensor
SP2M Signal ground 2 accelerator pedal sensor
SP2S Sensor signal 2 accelerator pedal sensor
Spkr Out - Speaker (minus)
Spkr Out + Speaker (plus)
STR Actuation
STRG Sensor signal for fuel filter element
STR- Starter terminal 15 relay (K40/8kH) low side
STR+ Starter terminal 15 relay (K40/8kH), high side
SubFL- Left footwell bass speaker (minus)
SubFL+ Left footwell bass speaker (plus)
SubFR- Right footwell bass speaker (minus)
SubFR+ Right footwell bass speaker (plus)
SurL- Left rear surround sound system midrange speaker (minus)
SurL + Left rear surround sound system midrange speaker (plus)
SurR - Right rear surround sound system midrange speaker (minus)
SurR + Right rear surround sound system midrange speaker (plus)
SW Signal
SW_1 Signal 1, electric parking brake switch
SW_2 Signal 2, electric parking brake switch
SW_3 Signal 3, electric parking brake switch
SW_4 Signal 4, electric parking brake switch
T5 Sen. Signal for temperature sensor upstream of diesel particulate filter
TBA Power supply for outer door handle illumination
TD_ZV Actuation for tank cap central locking actuator
Tel. Answer/End Call Multifunction steering wheel mute function button
Termination Termination
TES _Status Tank cap release button status
TES Sig. Tank cap release button signal
TFL Daytime running lamps
TFVKAT Signal for temperature sensor upstream of catalytic converter
THS Actuation of coolant thermostat heating element
TIB Door handle illumination actuation
TMOT Signal for coolant temperature sensor
TNSG_RTR_DR (-) Driver emergency tensioning retractor squib (minus)
TNSG_RTR_DR (+) Driver emergency tensioning retractor squib (plus)
TNSG_RTR_FPS (-) Front passenger emergency tensioning retractor squib (minus)
TNSG_RTR_FPS (+) Front passenger emergency tensioning retractor squib (plus)
TNSG_RTR_LR (-) Left rear emergency tensioning retractor squib (minus)
TNSG_RTR_LR (+) Left rear emergency tensioning retractor squib (plus)
TNSG_RTR_RR (-) Right rear emergency tensioning retractor squib (minus)
TNSG_RTR_RR (+) Right rear emergency tensioning retractor squib (plus)
TSLL_Sig.) Signal
TV1 Signal for TV 1 and DAB Band III antenna amplifier
TV2 Signal for antenna amplifier
TV3 Signal for antenna amplifier
TX- Transmission (Minus)
Tx+ Transmission (Plus)
TX+ Transmission (Plus)
TX-LWL Transmission (Minus)
U_PWG Sensor voltage 1 (5 V) accelerator pedal sensor
Ua Voltage supply
Uak Voltage supply
Ub (+) Voltage supply
UB_P Circuit 30 power supply
UB_S Circuit 30 power supply
UB_V Electronic parking brake circuit 30
U-MFL-R Accept/terminate phone call button
UMSCHVNT Stationary heater switchover valve
Up/Down Scroll forward/back button
Ur Voltage supply
Urear Signal
Us Voltage supply
USB +5V Universal serial bus 5Volt power supply
USB_5V Universal serial bus 5Volt power supply
USB 3D- Universal serial bus 3 data -
USB 4D+ Universal serial bus 3 data +
USB D- Universal serial bus data -
USB D+ Universal serial bus data +
V Sun visor mirror lamp supply voltage
V_V_5V3APP1 Signal
V_V_BAT+1R-Tank AdBlue® heater terminal 1 control unit supply voltage
V_V_BAT+2R-DL AdBlue® heater terminal 2 control unit supply voltage
V_V_BAT+4R AdBlue® control unit supply voltage
VAC Pump_H Actuation of Adaptive Brake vacuum pump (plus)
VAC Pump_L Adaptive Brake vacuum pump (minus)
VAC Pump_MON Vacuum pump feedback
VAC1_GND Brake vacuum sensor, ground
VAC1_SIG Brake vacuum sensor, signal 1
VAC1_SUP Brake vacuum sensor power supply
VAC2_SIG Brake vacuum sensor, signal 2
VB+ Voltage supply
Vbus Signal
VHK Heater pad power supply
Virtual GND Oxygen sensor virtual ground connection
V-MFL-L Left/right multifunction steering wheel button group
Wake up Wake-up signal
Wake-up Wake-up signal
WakeUp Wake-up signal
WaPu + Water pump power supply
WB_L (-) Left windowbag squib (minus)
WB_L (+) Left windowbag squib (plus)
WB_R (-) Right windowbag squib (minus)
WB_R (+) Right windowbag squib (plus)
W-LAN Wireless LAN
WP Sig. Coolant pump switchover valve actuation
ZUE1 Actuation of ignition coil, cylinder 1
ZUE2 Actuation of ignition coil, cylinder 2
ZUE3 Actuation of ignition coil, cylinder 3
ZUE4 Actuation of ignition coil, cylinder 4
ZUE5 Actuation of ignition coil, cylinder 5
ZUE6 Actuation of ignition coil, cylinder 6
ZV_AUF Central locking motor open actuation
ZV_ZU Central locking motor close actuation
ZVIS_Sig. Central locking inside door handle switch signal
Zyl. 1 Actuation of 1st cylinder glow plug
Zyl. 2 Actuation of 2nd cylinder glow plug
Zyl. 3 Actuation of 3rd cylinder glow plug
Zyl. 4 Actuation of 4th cylinder glow plug