Abbreviations Of Signal And Circuit Designations For Wiring Diagrams - OV00.01-P-1001-28NCA
WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2025 Mercedes-Benz Maybach GLS600, 2025 Mercedes-Benz GLS63 AMG, 2024 Mercedes-Benz Maybach GLS600, 2024 Mercedes-Benz GLS63 AMG, and 2023 Mercedes-Benz Maybach GLS600. However, it is still accessible from the selected car via links, so may be relevant.
Model 167
| Abbreviation | Designation | Notes |
|---|---|---|
| (+) | Voltage supply, positive | |
| (+)/(-) | Power supply with alternating polarity | |
| (-) | Low potential | |
| 5V | Power supply 5 volt | |
| 12V | Power supply 12 volt | |
| 15 | Terminal 15 | Positive battery voltage (switched through relay) |
| 15M | Circuit 15 engine compartment | Positive battery voltage (switched through relay) |
| 15R | Circuit 15 radio position | Positive battery voltage (switched, radio position) |
| 30 | Circuit 30 | Positive battery voltage (continuous positive), 12 V on-board electrical system |
| 30b | Circuit 30b | Positive battery voltage (ECO start/stop function additional battery), 12 V on-board electrical system |
| 30c | Circuit 30c | Positive battery voltage (via pyrofuse F63 to 48 V on-board electrical system) |
| 30t | Circuit 30t | Circuit 30 after battery disconnect switch |
| 31 | Circuit 31 | Return line to battery negative or ground connection (direct), 12 V on-board electrical system |
| 40 | Circuit 40 | Positive battery voltage (continuous positive), 48 V on-board electrical system |
| 41 | Circuit 41 | Return line to battery negative or ground connection (direct), 48 V on-board electrical system |
| 50 | Signal 'Engine start' | |
| 54 | Brake pedal signal | |
| 56a | High beam | |
| 58d | Terminal 58d | Actuation of dimmable interior lighting |
| 58L | Left taillamp | |
| 58R | Right taillamp | |
| 87 | Terminal 87 | |
| 87C | Circuit 87 chassis | Positive battery voltage (switched) - chassis |
| 87C1 | Circuit 87 chassis 1 | Positive battery voltage (switched) - chassis 1 |
| 87C2 | Circuit 87 chassis 2 | Positive battery voltage (switched) - chassis 2 |
| 87C3 | Circuit 87 chassis 3 | Positive battery voltage (switched) - chassis 2 |
| 87M | Circuit 87 engine compartment | Positive battery voltage (switched) - engine compartment |
| 87M1 | Circuit 87 engine compartment 1 | Positive battery voltage (switched) - engine compartment 1 |
| 87M2 | Circuit 87 engine compartment 2 | Positive battery voltage (switched) - engine compartment 2 |
| 87M3 | Circuit 87 engine compartment 3 | Positive battery voltage (switched) - engine compartment 3 |
| 87M4 | Circuit 87 engine compartment 4 | Positive battery voltage (switched) - engine compartment 4 |
| AC | Alternating current | |
| AC_U | Phase U alternating current | |
| AC_V | Phase V alternating current | |
| AC_W | Phase W alternating current | |
| AM/FM | AM, FM antenna signal | |
| ANT | Antenna signal | |
| A-SIG | Analog signal | |
| AUDIO_(-) | Audio signal, negative | |
| AUDIO_(+) | Audio signal, positive | |
| A+ | Auxiliary supply input | |
| A- | Auxiliary supply output | |
| BL_(+) | Brake light | |
| BSM_(+) | Blind Spot Assist, power supply | |
| BT | Bluetooth® | |
| BT_WLAN | Bluetooth® and WLAN | |
| CC1 | CC2 (connection confirmation 1) signal | |
| CC2 | CC2 (connection confirmation 2) signal | |
| CAN-H | CAN bus High | |
| CAN-L | CAN bus Low | |
| 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-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-LR_H | Steering wheel CAN High | |
| CAN-LR_L | Steering wheel CAN Low | |
| CAN-PER-E1_H | Peripherals CAN (Front suspension) High | |
| CAN-PER-E1_L | Peripherals CAN (Front suspension) Low | |
| CAN-PER-E2_H | Peripherals CAN (Rear suspension) High | |
| CAN-PER-E2_L | Peripherals CAN (Rear suspension) 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 | |
| CAN-DRVU | CAN for Drive Unit | |
| CRASH | Crash signal | |
| CP | CP signal (control pilot) | |
| DIAG | Diagnosis | |
| D-SIG | Digital signal | |
| EC_(+) | Electric mirror dimming, power supply | |
| ETH_RX- | Ethernet reception signal, negative | "Receiving" |
| ETH_RX+ | Ethernet reception signal, positive | "Receiving" |
| ETH_TX- | Ethernet transmission signal, negative | "Transmission" |
| ETH_TX+ | Ethernet transmission signal, positive | "Transmission" |
| FLEX-E_BM | Suspension FlexRay bus, negative | |
| FLEX-E_BP | Suspension FlexRay bus, positive | |
| FM2 | Antenna signalFM2 | |
| FOLD_IN/OUT | Signal for folding in/out electric outside mirrors | |
| FOLD_OUT/IN | Signal for folding out/in electric outside mirrors | |
| FRA_(+) | Direction indicator lamp | |
| GND | Ground connection | Return line to battery negative or ground connection (indirect) |
| GND_V | Virtual ground | Return line to battery negative or ground connection (indirect) |
| GPS | GPS signal | Signal for global positioning system |
| GSM | Global system mobile signal (GSM signal) | |
| HEAT_(+) | Heating element power supply | |
| HEAT_GND | Heating element ground connection | |
| HF | High frequency radio signal | |
| HGB_(+) | Background illumination | |
| HIGH | High-side actuation/signal | |
| HSVL | High-speed video link | |
| HV_(+) | High-voltage power supply, positive | |
| HV_(-) | High-voltage power supply, negative | |
| HS Sig. | Hall sensor signal | |
| ILK | Interlock | |
| ILLU_(+) | Illumination actuation | |
| I_PUMP | Pump current | |
| L | Left turn signal | |
| L1 | Phase 1 | |
| L1_(+) | Coil 1, power supply | |
| L2 | Phase 2 | |
| L2_(+) | Coil 2, power supply | |
| LIN | LIN bus | Local Interconnect Network |
| LIN-B5 | Left front door LIN | |
| LIN-B6 | Right front door LIN | |
| LIN-B8-1 | LIN 1 for climate control system | |
| LIN-B8-2 | LIN 2 for climate control system | |
| LIN-B8-3 | LIN 3 for climate control system | |
| LIN-B8-4 | LIN 4 for climate control system | |
| LIN-B8-5 | LIN 5 for climate control system | |
| LIN-B9 | Left rear door LIN | |
| LIN-B10 | Right rear door LIN | |
| LIN-B13 | Roof LIN | |
| LIN-B14 | Alarm system LIN | |
| LIN-B15 | Battery sensor LIN | |
| LIN-B16 | Rain and light sensor LIN | |
| LIN-B18 | Driver seat LIN | |
| LIN-B19 | Front passenger seat LIN | |
| LIN-B20 | Left rear seat LIN | |
| LIN-B21 | Right rear seat LIN | |
| LIN-B22 | 48 V on-board electrical system LIN | |
| LIN-B26 | Massage components LIN | |
| LIN-B27 | KEYLESS-GO LIN | |
| LIN-B28 | Heater LIN | |
| LIN-B30 | Left front door ambiance illumination 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-B44 | Heater LIN, additional seat row | |
| LIN-B45 | Rear seats ambient lighting LIN | |
| LIN-B46 | LIN for roller sunblind | |
| LIN-B34 | Cockpit ambiance illumination LIN | |
| LIN-B40 | Center console ambient lighting LIN | |
| LIN-C1 | Drive train LIN | |
| LIN-C2 | Engine LIN | |
| LIN-C3 | Drivetrain LIN | |
| LIN-E2 | Seat occupied recognition LIN | |
| LOW | Low-side actuation/signal | |
| LOCK | Signal, close additional door lock | |
| LVDS_RX- | Low Voltage Differential Signaling, reception, negative | "Receiving" |
| LVDS_RX+ | Low Voltage Differential Signaling, reception, positive | "Receiving" |
| MIC_(-) | Microphone negative | |
| MIC_(+) | Microphone positive | |
| MOST | Media Oriented System Transport | |
| MOT_(-) | Motor actuation, negative | |
| MOT_(+) | Motor actuation, positive | |
| MOT_GND | Motor actuation, negative | |
| MOT_(+)/GND | Engine plus/minus actuation | |
| MOT_GND/(+) | Engine minus/plus actuation | |
| MOT_LR_(+)/GND | Mirror adjustment, motor actuation, positive/negative (right/left) | |
| MOT_UD_(+)/GND | Mirror adjustment, motor actuation, positive/negative (high/low) | |
| MOT_(GND/+) | Engine minus/plus actuation | |
| MUTE | Mute function | |
| N | Neutral conductor | |
| NC | Not connected | |
| NSL | Rear fog lamp | |
| NSL_(+) | Rear fog lamp | |
| PE | PE protective ground conductor (protective earth) | |
| PP | PP signal (proximity) | |
| PL/SL_(+) | Parking lights and tail light, combined | |
| PUMP_GND | Pump actuation via ground connection | |
| PWM | Pulse width modulation | |
| R | Right turn signal | |
| REL_(-) | Relay actuation, negative | |
| REL_(+) | Relay actuation, positive | |
| REF | Measurement reference signal | |
| RFL | Backup lamp | |
| RFL_(+) | Backup lamp | |
| S- | Charging communication CAN-L signal | Satellite Digital Audio Radio Services signal (North America) |
| S+ | Charging communication CAN-H signal | Satellite Digital Audio Radio Services signal (North America) |
| SDARS | Satellite radio signal | Satellite Digital Audio Radio Services signal (North America) |
| SENS | Sensor signal | |
| SENS_1 | Sensor signal for sensor 1 | |
| SENS_2 | Sensor signal for sensor 2 | |
| SENS_(+) | Sensor power supply | |
| SENS_GND | Ground connection via sensor | |
| SENT | Digital signal line SENT | Single edge nibble |
| SHD | Shielding | |
| SIG | Signal | |
| SIG_(+) | Signal, positive | |
| SIG_(-) | Signal, negative | |
| SIG_GND | Signal via ground connection | |
| SL_(+) | Taillamp | |
| SML_(+) | Side-marker lamps | |
| TEL | Signal, telephone | |
| TK | Door lock rotary tumbler signal | |
| TV | Antenna signal | |
| T_AC | Temperature measurement | |
| T_DC+ | Temperature measurement | |
| T_DC- | Temperature measurement | |
| T_Ref | Temperature measurement | |
| UNLOCK | Signal, open additional door lock | |
| USB_(+) | USB interface, power supply | |
| USB_D- | USB interface, data line, negative | |
| USB_D+ | USB interface, data line, positive | |
| USB_GND | USB interface, ground connection | |
| VALVE_GND | Valve actuation via ground connection | |
| VICS | Signal for vehicle information and communication | Vehicle Information and Communication System, valid for Japan |
| VIDEO | Digital video signal | |
| VHK | Heater pad power supply | |
| WAKE_UP | Wake-up signal | |
| WLAN | WLAN signal |