Abbreviations Of Signal And Circuit Designations For Wiring Diagrams - OV00.01-P-1001-28DBA
WARNING: This page does not describe the selected car, but rather 23 other vehicles, including the 2023 Mercedes-Benz E63 S AMG, 2023 Mercedes-Benz E53 AMG, 2023 Mercedes-Benz E350, 2022 Mercedes-Benz E53 AMG, and 2022 Mercedes-Benz E350. However, it is still accessible from the selected car via links, so may be relevant.
Model 213
up to model year 2021
| Abbreviation | Designation | Notes |
|---|---|---|
| (-) | Voltage supply, negative | |
| (+) | Voltage supply, positive | |
| +/- | Power supply with alternating polarity | |
| +5V | 5 volt positive voltage supply | |
| +12V | Voltage supply, positive 12 volt | |
| 1.cyl. | Cylinder 1 glow/spark plug signal | |
| 15 | Positive switch battery voltage (switched by K40/8kG) | |
| 15M | Signal, positive switched battery voltage - engine compartment | |
| 15R | Positive switched battery voltage (radio position) | |
| 115V AC1 | 115 volt AC voltage, connection 1 | |
| 115V AC2 | 115 volt AC voltage, connection 2 | |
| 2. cyl. | Cylinder 2 glow/spark plug signal | |
| 230 V Phase 1 | 230 volt AC voltage, phase 1 | |
| 230 V Phase 2 | 230 volt AC voltage, phase 2 | |
| 230V AC1 | 230 volt AC voltage, connection 1 | |
| 230V AC2 | 230 volt AC voltage, connection 2 | |
| 3. cyl. | Cylinder 3 glow/spark plug signal | |
| 30 | Positive battery voltage (continuous positive) | |
| 30b | Positive battery voltage (ECO start/stop function additional battery) | |
| 30c | Positive battery voltage (via pyrofuse F63 and high-voltage disconnect device S7) | |
| 30g | Positive battery voltage (ECO start/stop function additional battery via load state detection fuse F96) | |
| 30L | Positive battery voltage (headlamps) | |
| 30t | Positive battery voltage (via battery disconnect switch relay K57/4) | |
| 30t_CHARGE | Circuit 30t for charge line | |
| 30t_LIGHT_L | Circuit 30t for illumination on left | |
| 30t_LIGHT_R | Circuit 30t for illumination on right | |
| 30t_MOT | Circuit 30t for swivel motor | |
| 31 | Return line to battery negative or ground connection (direct) | |
| 4. cyl. | Cylinder 4 glow/spark plug signal | |
| 40 | Circuit 40 | |
| 41 | Circuit 41 | |
| 49L | Left turn signal lamp | |
| 49R | Right turn signal lamp | |
| 5. cyl. | Signal, cylinder 5 glow/spark plug | |
| 50 | Starter control | |
| 54 | Brake pedal signal | |
| 56a | High beam | |
| 56b | Low beam | |
| 58 | Position lamp, instrument illumination, taillamp and license plate lamp | |
| 58d | Variable instrument/switch illumination | |
| 58L | Light switch terminal for left position lamps and taillamps | |
| 5V | 5 volt positive voltage supply | |
| 6. cyl. | Cylinder 6 glow/spark plug signal | |
| 87 | Positive battery voltage (switched) | |
| 87M | Positive battery voltage (switched) - engine compartment | |
| 87M1 | Positive battery voltage (switched) - engine compartment 1 | |
| 87M2 | Positive battery voltage (switched) - engine compartment 2 | |
| 87M3 | Positive battery voltage (switched) - engine compartment 3 | |
| 87M4 | Positive battery voltage (switched) - engine compartment 4 | |
| AM/FM1 | Signal, antenna amplifier (amplitude modulation/frequency modulation) | |
| AMPS/CDMA | AMPS/CDMA signal | |
| AS_AAV | Signal, fuel tank shutoff valve | |
| AWL | Signal, exit and warning lamp | |
| BL_(+) | Brake light | |
| BUL_(+) | Backup lamp | |
| BT | Signal, Bluetooth® antenna | |
| CAN A_H | Head unit CAN High | |
| CAN A_L | Head unit CAN Low | |
| CAN-B H | Interior CAN HIGH | |
| CAN-B_H | Interior CAN HIGH | |
| CAN-B_L | Interior CAN LOW | |
| 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-C1_H | Drive train CAN High | |
| CAN-C1_L | ||
| CAN-C_H | Engine CAN High | |
| CAN-C_L | Engine CAN Low | |
| 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 | CAN high | |
| 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-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 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 | 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 | |
| Close (-) | Battery disconnect switch relay (K57/4), output close control | |
| Close (+) | Battery disconnect switch relay (K57/4), input close control | |
| COC_Bel. | Warning light switch illumination | |
| COC_SW | Warning light switch | |
| CP | Control pilot signal line charging current | |
| CPCSTOP | CPC emergency shutoff | |
| Crash | Crash signal | |
| Crash Analog | Crash signal | |
| Crash_SL (-) | Crash signal | |
| Crash_SL (+) | Crash signal | |
| D- | Data signal - | |
| D+ | Data signal + | |
| DATA | Data, parking system distance sensor | |
| DCM | Throttle valve actuator | |
| DCP | Throttle valve actuator | |
| Diag. | Diagnosis | |
| DSRC | DSRC (Dedicated Short Range Communication) antenna signal | |
| DSRC Rx | DSRC (Dedicated Short Range Communication) antenna signal | |
| DSRC Tx | DSRC (Dedicated Short Range Communication) antenna signal | |
| E_A_DST | Pressure sensor downstream of throttle valve | |
| EGR_SENT | Sensor signal for exhaust gas recirculation actuator | |
| EKPR | Fuel pump "ON" ground signal | |
| ELV | Signal for electric steering lock | |
| ELV_Data | Signal for electric steering lock | |
| ELV_Sig. | Signal for electric steering lock | |
| Enable | Enable for 115 volt and 230 volt socket | |
| ETN_Rx- | Ethernet Receiving (minus) | |
| ETN_Rx+ | Ethernet Receiving (plus) | |
| ETN_Tx- | Ethernet Transmission (minus) | |
| ETN_Tx+ | Ethernet Transmission (plus) | |
| F_LIGHT_GND | Function lighting, ground connection | |
| FLASH | Data transfer input for emergency shutoff | |
| FLEX E_BM | Chassis FlexRay (low) | |
| FLEX E_BP | Chassis FlexRay (high) | |
| FM2 | FM 2, AM, CL [ZV] and KEYLESS GO antenna amplifier | |
| FTDF | Driver door contact switch | |
| FZV | FM 1, AM, CL [ZV] and KEYLESS GO antenna amplifier | |
| FLOW | Flow signal, ground current | |
| G_R_GND | Ground connection, temperature sensor upstream of SCR catalytic converter | |
| GN | Charge range indicator LED, green (actuation) | |
| GND | Ground connection | |
| GND_V | Virtual ground connection | |
| GPS | GPS (Global Positioning System) signal | |
| HEAT_(+) | Heating element power supply | |
| HEAT_GND | Heating element ground connection | |
| HIGH | High-side actuation/signal | |
| HD_U | Rear switching module lower sensor | |
| HSD | Hall sensor | |
| HV (-) | High voltage (-) | |
| HV (+) | High voltage (+) | |
| I_A_EXTS3 | Signal, temperature sensor upstream of SCR catalytic converter | |
| IL | Interlock circuit for high-voltage components | |
| ILLU_(+) | Illumination actuation | |
| ILLU_GND | Illumination, ground connection | |
| Inj.High | Actuation of injection, high | |
| Inj.Low | Actuation of injection, low | |
| LH- | Steering wheel heater (ground connection) | |
| LH+ | Steering wheel heater (power supply) | |
| LIN LIN | (Local Interconnect Network) | |
| LIN1 | Instrument panel LIN | |
| LINB10 | Right rear door LIN | |
| LINB13 | Roof LIN | |
| LINB14 | Alarm system LIN | |
| LINB15 | Battery sensor LIN | |
| LINB16 | Rain and light sensor LIN | |
| LINB18 | Driver seat LIN | |
| LINB19 | Front passenger seat LIN | |
| LINB26 | Massage components LIN | |
| LINB27 | KEYLESS-GO LIN | |
| LINB28 | Heater LIN | |
| LIN-B31 | Right front door ambiance illumination LIN | |
| LIN-B32 | Left rear door ambiance illumination LIN | |
| LIN-B33 | Right rear door ambiance illumination LIN | |
| LIN-B34 | Cockpit ambiance illumination LIN | |
| LIN-B35 | Vehicle interior ambiance illumination LIN | |
| LIN-B36 | Roof ambiance illumination LIN | |
| LINB5 | Left front door LIN | |
| LINB6 | Right front door LIN | |
| LINB8-2 | Climate control LIN 2 | |
| LINB8-3 | AC operation LIN | |
| LINB9 | Left rear door LIN | |
| LINC1 | Drive train LIN | |
| LINE2 | Seat occupied recognition LIN | |
| L1_(+) | Coil 1, power supply | |
| L2_(+) | Coil 2, power supply | |
| LIN B15 | Battery sensor LIN | |
| LIN B22 | 48 V on-board electrical system LIN | |
| LIN-B8-2 | Climate control LIN 2 | |
| LIN-C2 | Engine LIN | |
| LOW | Low-side actuation/signal | |
| MPAC_W | Multiphase alternating current, phase W | |
| MPAC_V | Multiphase alternating current, phase V | |
| MPAC_U | Multiphase alternating current, phase U | |
| M-(+) | Motor minus (plus) | |
| M+ | Motor plus | |
| M+(-) | Motor plus (minus) | |
| Mic+ | Microphone (positive) | |
| MicGND | Microphone (negative) | |
| MOST | MOST bus | |
| MOT_(+) | Motor actuation, positive | |
| MOT_GND | Motor actuation, negative | |
| MOT_(+)/GND | Engine plus/minus actuation | |
| MOT_GND/(+) | Engine minus/plus actuation | |
| MOT | Motor actuation | |
| Mute | Mute function | |
| NC | Pin not connected | |
| NSL | Rear fog lamp actuation | |
| Open (-) | Battery disconnect switch relay (K57/4), output open control | |
| Open (+) | Battery disconnect switch relay (K57/4), output open control | |
| Phase_U | Fuel pump power supply, phase U | |
| Phase_V | Fuel pump power supply, phase V | |
| Phase_W | Fuel pump power supply, phase W | |
| PNOT | Park pawl | |
| PUMP_GND | Pump actuation via ground connection | |
| PUMP_(+) | Pump power supply | |
| I_PUMP | Pump current | |
| POT | Potential equalization high-voltage components | |
| POS_(+) | Hall sensor power supply | |
| POS_1 | Sensor 1 position signal | |
| POS_2 | Sensor 2 position signal | |
| POS_3 | Sensor 3 position signal | |
| POS_GND | Hall sensor ground connection | |
| PYFDB Hybrid (-) | Hybrid pyrofuse (minus) | |
| PYFDB Hybrid (+) | Hybrid pyrofuse (plus) | |
| R1 | Sensor excitation 1, electrical machine rotor position sensor | |
| R2 | Sensor excitation 2, electrical machine rotor position sensor | |
| Radio | Antenna signal, radio | |
| RD | Charge range indicator LED, red (actuation) | |
| Res | Reserve slot fuse | |
| RFL | Actuation of backup lamp | |
| RFL_(+) | Rear fog lamp | |
| REF | Measurement reference signal | |
| REL_(+) | Relay actuation, positive | |
| RFS | Actuation of backup lamp | |
| RGB-LIN | Ambiance illumination LIN | |
| Rx | Receiving | |
| Rx- | Receiving (-) | |
| Rx+ | Receiving (+) | |
| SENS_(+) | Sensor power supply | |
| SENS_GND | Sensor ground connection | |
| SENS | Sensor signal | |
| SENS_1 | Sensor 1 power supply | |
| SENS_2 | Sensor signal for sensor 2 | |
| SENS_(+) | Sensor power supply | |
| SENS_GND | Sensor ground connection | |
| S1 | Sensor signal 1, electrical machine rotor position sensor | |
| S2 | Sensor signal 2, electrical machine rotor position sensor | |
| S3 | Sensor signal 3, electrical machine rotor position sensor | |
| S4 | Sensor signal 4, electrical machine rotor position sensor | |
| SHD | Shielding/plate | |
| Shield | Shielding | |
| SIG_GND | Signal via ground connection | |
| SIG_(+) | Signal via transmit current | |
| Sig. | Signal | |
| SIG_1 | Signal 1 | |
| SIG_2 | Signal 2 | |
| SIG_87 | Signal, terminal 87 | |
| SIG_T | Signal, temperature | |
| SL_L | Left taillamp | |
| SL_R | Right taillamp | |
| SW (-) | Signal, 230 volt socket power supply | |
| SW (+) | Signal, 230 volt socket ground connection | |
| TEL | Signal, telephone | |
| Tel. End Call | Telephone, terminate call signal | |
| TEMP | Temperature signal | |
| Termination | Termination | |
| TL_L_(+) | Left taillamp | |
| TL_R_(+) | Right taillamp | |
| TR | Termination | |
| TSI_L_(+) | Left turn signal | |
| TSI_R_(+) | Right turn 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) | |
| U | Signal | |
| USB+5V | Universal serial bus 5Volt power supply | |
| USB3D- | Universal serial bus 3 data - | |
| USB3D+ | Universal serial bus 3 data + | |
| USBD+ | Universal serial bus data + | |
| V | Signal | |
| VALVE_GND | Valve actuation via ground connection | |
| Vbus | Signal | |
| VCS | Signal | |
| ViCS12V | 12 volt power supply, Vehicle Information and Communication System | |
| VirtualGND | Ground connection of oxygen sensor upstream of catalytic converter | |
| W | Signal | |
| Wake-up | Wake-up signal | |
| WBK | Warning light switch | |
| WH | Lock indicator LED lock (actuation) | |
| W-LAN | Wireless LAN |