Overall Network (GVN), Detailed Information - GF00.19-P-0020-01F
Model 223
This document contains information on the networking in model 223:
By clicking on the abbreviation of the networking you will find the corresponding overview.
- CAN A1 - CAN 1 for telematics
- CAN A2 - CAN 2 for telematics
- CAN AAMB 1 - CAN for front active ambient lighting
- CAN AAMB 2 - CAN for left active ambient lighting
- CAN AAMB 3 - CAN for right active ambient lighting
- CAN B1 - CAN 1 for vehicle interior
- CAN B2 - CAN 2 for vehicle interior
- CAN B3 - CAN 3 for vehicle interior
- CAN C - CAN for engine
- CAN C1 - CAN 1 for drive
- CAN C2 - CAN 2 for drive
- CAN D - CAN for diagnosis
- CAN ED1 - CAN for electric drive
- CAN ED2 - CAN for energy management
- CAN I - CAN for drive system sensor system
- CAN LR - CAN for steering wheel
- CAN PER - CAN for peripherals
- CAN PER E1 - CAN for peripherals (front suspension)
- CAN PER E2 - CAN for peripherals (rear suspension)
- CAN R1 - CAN for CAN 1 for redundancy
- CAN S1 - CAN for front radar
- CAN S2 - CAN for rear radar
- CAN T - CAN for drivetrain
- Ethernet
- Flex E - Suspension FlexRay
- MOST - Media Oriented System Transport
CAN A1 - CAN 1 for telematics
Shown on model W223
CAN 1 FOR TELEMATICS (CAN A1)
| Control unit | Additional information | Further networking | |
|---|---|---|---|
| A26/17 | Head unit | CAN A2 CAN T Ethernet MOST |
|
| A40/8 | Touchscreen | - | - |
| A40/12 | Head-up display | With code 438 (Classic head-up display) or code 445 (Head-up display with augmented reality) | - |
| A40/18 | Instrument cluster display | - | - |
| A50/6 | Toll system control unit | With code 943 (Payment system for toll fees) | - |
| N72/1 | Upper control panel control unit | - | - |
| N123/8 | Mobile phone cradle control unit | With code 897 (Wireless phone charging at front) or code 899 (Wireless telephone charging at front and antenna) | - |
| N123/14 | Mobile phone cradle control unit | With code 897 (Wireless telephone charging at front) | - |
| N133/1 | Instrument cluster control unit | - | CAN A2 Ethernet |
Shown on model W223
CAN 2 FOR TELEMATICS (CAN A2)
| Control unit | Additional information | Further networking | |
|---|---|---|---|
| A26/17 | Head unit | - | CAN A1 CAN T Ethernet MOST |
| A26/20 | Rear entertainment unit control unit | With code 854 (Plus Rear Entertainment System) | - |
| A40/5 | Left rear seat entertainment system display | With code 854 (Plus Rear Entertainment System) | - |
| A40/6 | Right rear seat entertainment system display | With code 854 (Plus Rear Entertainment System) | - |
| A105/6 | Tablet cradle | With code 447 (Touchscreen in rear passenger compartment (rear touchscreen)) | - |
| N123/9 | Telephone control unit | - | - |
| N123/11 | Mobile phone cradle control unit | With code 898 (wireless charging in rear passenger compartment) | - |
| N133/1 | Instrument cluster control unit | - | CAN A1 Ethernet |
| N168 | Gesture recognition system control unit | With code 77B (Contactless gesture control system at front) or with code 78B (Contactless gesture control system at rear) | - |
CAN AAMB 1 - CAN for front active ambient lighting
Shown on model W223
CAN FOR ACTIVE AMBIENT LIGHTING AT FRONT (CAN AAMB 1)
| Control unit | Additional information | Further networking | |
|---|---|---|---|
| E34/1 | Left cockpit light-emitting diode strip | With code 878 (CONNECTED LIGHT ambient lighting) | - |
| E34/2 | Right cockpit light-emitting diode strip | With code 878 (CONNECTED LIGHT ambient lighting) | - |
| N162/1 | Active ambient lighting control unit | With code 878 (CONNECTED LIGHT ambient lighting) | CAN AAMB 2 CAN AAMB 3 Ethernet |
CAN AAMB 2 - CAN for left active ambient lighting
Shown on model W223
CAN FOR ACTIVE AMBIENT LIGHTING AT LEFT (CAN AAMB 2)
| Control unit | Additional information | Further networking | |
|---|---|---|---|
| E34/3 | Left front door light-emitting diode strip | With code 878 (CONNECTED LIGHT ambient lighting) | - |
| E34/5 | Left rear door light-emitting diode strip | With code 878 (CONNECTED LIGHT ambient lighting) | - |
| N162/1 | Active ambient lighting control unit | With code 878 (CONNECTED LIGHT ambient lighting) | CAN AAMB 1 CAN AAMB 3 Ethernet |
CAN AAMB 3 - CAN for right active ambient lighting
Shown on model W223
CAN FOR ACTIVE AMBIENT LIGHTING AT RIGHT (CAN AAMB 3)
| Control unit | Additional information | Further networking | |
|---|---|---|---|
| E34/4 | Right front door light-emitting diode strip | With code 878 (CONNECTED LIGHT ambient lighting) | - |
| E34/6 | Right rear door light-emitting diode strip | With code 878 (CONNECTED LIGHT ambient lighting) | - |
| N162/1 | Active ambient lighting control unit | With code 878 (CONNECTED LIGHT ambient lighting) | CAN AAMB 1 CAN AAAMB 2 Ethernet |
CAN B1 - CAN 1 for vehicle interior
Shown on model W223
CAN 1 FOR VEHICLE INTERIOR (CAN B1)
| Control unit | Additional information | Further networking | |
|---|---|---|---|
| A98 | Panoramic sliding sunroof control module | With code 413 (Panoramic sliding sunroof/glass roof) | - |
| N10/6 | Front signal acquisition and actuation module control unit | - | CAN B2 CAN B3 Ethernet |
| N10/8 | Rear signal acquisition and actuation module control unit | - | - |
| N26/14 | Multifunction control unit | - | - |
| N28/1 | Trailer recognition control unit | With code 550 (Trailer hitch) | - |
| N69/1 | Left front door control unit | - | - |
| N69/2 | Right front door control unit | - | - |
| N69/3 | Left rear door control unit | - | - |
| N69/4 | Right rear door control unit | - | - |
| N69/20 | Left rear door control unit | With code 68B (Automatic rear door) | - |
| N69/21 | Right rear door control unit | With code 68B (Automatic rear door) | - |
| N70 | Overhead control panel control unit | - | - |
| N73/3 | Electronic ignition switch control unit | - | CAN-D PER CAN CAN S1 CAN S2 Ethernet Flex E |
| N183 | KEYLESS-GO mobile device link control unit | - | - |
CAN B2 - CAN 2 for vehicle interior
Shown on model W223
CAN 2 FOR VEHICLE INTERIOR (CAN B2)
| Control unit | Additional information | Further networking | |
|---|---|---|---|
| A77 | Multicontour seat pneumatic pump | With code 432 (Left and right dynamic seat) or code 406 (Multicontour seat in passenger compartment) | - |
| N10/6 | Front signal acquisition and actuation module control unit | - | CAN B1 CAN B3 Ethernet |
| N25/3 | Rear seat heaters control unit | With code 872 (Left and right rear seat heating) | - |
| N32/1 | Driver seat control unit | - | - |
| N32/2 | Front passenger seat control unit | - | - |
| N32/5 | Left rear seat control unit | With code 223 (Electric rear seat backrest adjustment and head restraints) | - |
| N32/6 | Right rear seat control unit | With code 223 (Electric rear seat backrest adjustment and head restraints) | - |
| N32/23 | Driver's seat lumbar support electropneumatic controller unit | With code U22 (Lumbar support adjustment) | - |
| N32/24 | Front passenger seat lumbar support electropneumatic controller unit | With code U22 (Lumbar support adjustment) | - |
| N164/1 | Left front multicontour seat control unit | With code 432 (Right and left dynamic seat) | - |
| N164/2 | Right front multicontour seat control unit | With code 432 (Right and left dynamic seat) | - |
| N164/3 | Left rear multicontour seat control unit | With code 406 (Multicontour seat in rear passenger compartment) | - |
| N164/4 | Right rear multicontour seat control unit | With code 406 (Multicontour seat in rear passenger compartment) | - |
CAN B3 - CAN 3 for vehicle interior
Shown on model W223
CAN 3 FOR VEHICLE INTERIOR (CAN B3)
| Control unit | Additional information | Further networking | |
|---|---|---|---|
| A76 | Left front reversible emergency tensioning retractor | - | - |
| A76/1 | Right front reversible emergency tensioning retractor | - | - |
| N10/6 | Front signal acquisition and actuation module control unit | - | CAN B1 CAN B2 Ethernet |
| N83/13 | DC/DC converter control unit | With code 503 (Remote-controlled parking) | - |
| N121/1 | Trunk lid/liftgate control, control unit | - | - |
CAN C - CAN for engine
Shown on model W223
CAN FOR ENGINE (CAN C)
| Control unit | Additional information | Further networking | |
|---|---|---|---|
| N3/9 | Engine management control unit | Diesel engine | CAN C1 CAN I |
| N3/10 | Engine management control unit | Gasoline engine | CAN C1 CAN I |
| N127 | Drivetrain control unit | - | CAN C1 CAN C2 CAN-D CAN ED1 CAN ED2 CAN ED2 CAN T Ethernet Flex E |
CAN C1 - CAN 1 for drive
Shown on model W223
CAN 1 FOR DRIVE (CAN C1) VALID FOR M176, M177, M256, M279, M656
| Control unit | Additional information | Further networking | |
|---|---|---|---|
| N3/9 | Engine management control unit | Diesel engine | CAN C CAN I |
| N3/10 | Engine management control unit | Gasoline engine | CAN C CAN I |
| N15/15 | Fully integrated transmission control electric controller unit | - | CAN C2 |
| N127 | Drivetrain control unit | - | CAN C CAN C2 CAN-D CAN ED1 CAN ED2 CAN ED2 CAN T Ethernet Flex E |
CAN C2 - CAN 2 for drive
Shown on model W223
CAN 2 FOR DRIVE (CAN C2) VALID FOR M256M, M656M
| Control unit | Additional information | Further networking | |
|---|---|---|---|
| N15/15 | Fully integrated transmission control electric controller unit | - | CAN C1 |
| N127 | Drivetrain control unit | - | CAN C CAN C1 CAN-D CAN ED1 CAN ED2 CAN ED2 CAN T Ethernet Flex E |
CAN D - CAN for diagnosis
Shown on model W223
CAN FOR DIAGNOSIS (CAN D)
| Control unit | Additional information | Further networking | |
|---|---|---|---|
| N73/3 | Electronic ignition switch control unit | - | CAN B1 PER CAN CAN S1 CAN S2 Ethernet Flex E |
| N127 | Drivetrain control unit | - | CAN C CAN C1 CAN C2 CAN ED1 CAN ED2 CAN ED2 CAN T Ethernet Flex E |
| N145 | Transmission mode control unit | With engine 177 | Ethernet Flex E |
| X11/4 | Diagnostic connector | - | Ethernet |
CAN ED1 - CAN for electric drive
Shown on model W223
CAN FOR ELECTRIC DRIVE (CAN ED1) VALID FOR M256M, M656M
| Control unit | Additional information | Further networking | |
|---|---|---|---|
| A79/8 | Integrated starter alternator power electronics | With code B01 (48V technology) and engine 176 | - |
| A79/11 | Integrated starter alternator power electronics | With code B01 (48V technology) and engine 256 | CAN ED2 |
| N127 | Drivetrain control unit | - | CAN C CAN C1 CAN C2 CAN-D CAN ED2 CAN ED2 CAN T Ethernet Flex E |
| N147 | Power electronics control unit | With code ME10 (Hybrid vehicle) and engine 256 | - |
CAN ED2 - CAN for energy management
Shown on model W223
CAN FOR ENERGY MANAGEMENT (CAN ED2) VALID FOR M176, M177, M256, M279, M656
| Control unit | Additional information | Further networking | |
|---|---|---|---|
| A79/11 | Integrated starter alternator power electronics | With code B01 (48V technology) and engine 256 | CAN ED1 |
| N83/12 | DC/DC converter control unit | With code B01 (48V technology) | - |
| N127 | Drivetrain control unit | - | CAN C CAN C1 CAN C2 CAN-D CAN ED1 CAN ED2 CAN T Ethernet Flex E |
Shown on model W223
CAN FOR ENERGY MANAGEMENT (CAN ED2) VALID FOR M256M, M656M
| Control unit | Additional information | Further networking | |
|---|---|---|---|
| N82/2 | Battery management system control unit | With code ME10 (Hybrid vehicle (Plug-In, PHEV)) and engine 177 | - |
| N83 | Alternating current charger for high-voltage battery | With code ME10 (hybrid vehicle (plug-in, PHEV)) | - |
| N83/1 | DC/DC converter control unit | With code ME10 (hybrid vehicle (plug-in, PHEV)) | - |
| N83/12 | DC/DC converter control unit | With code B01 (48V technology) | - |
| N116/5 | DC charge-connection unit | With code ME10 (Hybrid vehicle (Plug-in, PHEV)), 83B (DC charging function) | - |
| N127 | Drivetrain control unit | - | CAN C CAN C1 CAN C2 CAN-D CAN ED1 CAN ED2 CAN T Ethernet Flex E |
CAN I - CAN for drive system sensor system
Shown on model W223
CAN FOR DRIVE SYSTEM SENSOR SYSTEM (CAN I)
| Control unit | Additional information | Further networking | |
|---|---|---|---|
| A64 | Additional compressor | With code B01 (48V technology) and engine 256 | - |
| N3/9 | Engine management control unit | Diesel engine | CAN C CAN C1 |
| N3/10 | Engine management control unit | Gasoline engine | CAN C CAN C1 |
| N37/7 | Control unit of NOx sensor upstream of SCR catalytic converter | Diesel engine | - |
| N37/8 | NOx sensor control unit downstream of SCR catalytic converter | Diesel engine | - |
| N118/5 | AdBlue® control unit | With code U79 (BlueTEC (SCR) diesel exhaust treatment Generation 3) | - |
CAN LR - CAN for steering wheel
Shown on model W223
CAN FOR STEERING WHEEL (CAN LR)
| Control unit | Additional information | Further networking | |
|---|---|---|---|
| N80 | Steering column module control unit | - | Flex E |
| N135 | Steering wheel electronics | - | - |
CAN PER - CAN for peripherals
CAN FOR PERIPHERALS (CAN PER)
| Control unit | Additional information | Further networking | |
|---|---|---|---|
| E1 | Left front lamp unit | - | - |
| E2 | Right front lamp unit | - | - |
| N73/3 | Electronic ignition switch control unit | CAN B1 CAN-D CAN S1 CAN S2 Ethernet Flex E |
|
| N88 | Tire pressure monitor control unit | - | - |
CAN PER E1 - CAN for peripherals (front suspension)
Shown on model W223
CAN FOR PERIPHERALS (FRONT SUSPENSION) (CAN PER E1)
| Control unit | Additional information | Further networking | |
|---|---|---|---|
| M67 | Left front electrohydraulic controller unit | With code 490 (Electrohydraulic suspension) | - |
| M67/1 | Right front electrohydraulic controller unit | With code 490 (Electrohydraulic suspension) | - |
| N51/8 | Suspension and damping system control unit | With code 490 (Electrohydraulic suspension) | PER CAN E2 Flex E |
CAN PER E2 - CAN for peripherals (rear suspension)
Shown on model W223
CAN FOR PERIPHERALS (REAR SUSPENSION) (CAN PER E2)
| Control unit | Additional information | Further networking | |
|---|---|---|---|
| M67/2 | Left rear electrohydraulic controller unit | With code 490 (Electrohydraulic suspension) | - |
| M67/3 | Right rear electrohydraulic controller unit | With code 490 (Electrohydraulic suspension) | - |
| N51/8 | Suspension and damping system control unit | With code 490 (Electrohydraulic suspension) | PER CAN E1 Flex E |
Shown on model W223
CAN FOR REDUNDANCY (CAN R1)
| Control unit | Additional information | Further networking | |
|---|---|---|---|
| A40/28 | Multifunction camera | With code 200 (Highly automated driving) | - |
| N30/9 | Brake unit control unit | With code 503 (Remote-controlled parking) | Flex E |
| N30/10 | Electronic Stability Program control unit | With code 503 (Remote-controlled parking) | Flex E |
| N41/8 | Position determination control unit | With code 200 (Highly automated driving) | Ethernet |
| N68 | Power steering control unit | - | Flex E |
CAN S1 - CAN for front radar
Shown on model W223
CAN FOR FRONT RADAR (CAN S1)
| Control unit | Additional information | Further networking | |
|---|---|---|---|
| B29/11 | Left front short-range radar sensor | With code P20 (Driving Assistance Plus Package) or code 507 (Premium remote-controlled parking) | - |
| B29/12 | Right front short-range radar sensor | With code P20 (Driving Assistance Plus Package) or code 507 (Premium remote-controlled parking) | - |
| N73/3 | Electronic ignition switch control unit | - | CAN B1 CAN-D PER CAN CAN S2 Ethernet Flex E |
CAN S2 - CAN for rear radar
Shown on model W223
CAN FOR REAR RADAR (CAN S2)
| Control unit | Additional information | Further networking | |
|---|---|---|---|
| B29/13 | Left rear short-range radar sensor | With code 233 (Adaptive cruise control Plus (DISTRONIC PLUS)) or code 234 (Blind Spot Assist) or code 507 (Premium remote-controlled parking) | - |
| B29/14 | Right rear short-range radar sensor | With code 233 (Adaptive cruise control Plus (DISTRONIC PLUS)) or code 234 (Blind Spot Assist) or code 507 (Premium remote-controlled parking) | - |
| N73/3 | Electronic ignition switch control unit | - | CAN B1 CAN-D PER CAN CAN S1 Ethernet Flex E |
CAN T - CAN for drivetrain
Shown on model W223
CAN FOR DRIVETRAIN (CAN T)
| Control unit | Additional information | Further networking | |
|---|---|---|---|
| A26/17 | Head unit | - | CAN A1 CAN A2 Ethernet MOST |
| N12/2 | Sound generator control unit | With code B53 (External noise sound generator for hybrids and EV) | - |
| N40/3 | Sound system amplifier control unit | With code 810 (Premium sound system) | MOST |
| N40/7 | Sound system amplifier control unit | With code 811 (High-end sound system) | MOST |
| N118/3 | Fuel pump control unit | - | - |
| N127 | Drivetrain control unit | - | CAN C CAN C1 CAN C2 CAN-D CAN ED1 CAN ED2 CAN ED2 Ethernet Flex E |
| N156/1 | Sound generator control unit | With code 96B (Driving noise reduction via speakers (RNC)) or code 97B (Engine noise reduction via speakers (EOC)), but not with engine 279 | MOST |
| N156/2 | Sound generator control unit | With engine 279 | MOST |
Ethernet
Shown on model W223
ETHERNET
| Control unit | Additional information | Further networking | |
|---|---|---|---|
| A26/17 | Head unit | - | CAN A1 CAN A2 CAN T MOST |
| A40/13 | Multifunction camera | With code 233 (Adaptive cruise control Plus (DISTRONIC PLUS)) or code 503 (Remote-controlled parking) | - |
| A89 | Long-range radar sensor | With code 233 (Adaptive cruise control Plus (DISTRONIC PLUS)) | - |
| A89/2 | LiDAR sensor | With code 200 (Highly automated driving) | - |
| N10/6 | Front signal acquisition and actuation module control unit | - | CAN B1 CAN B2 CAN B3 |
| N41/7 | Self-learning high-precision map control unit | With code 200 (Highly automated driving) | - |
| N41/8 | Position determination control unit | With code 200 (Highly automated driving) | CAN R1 |
| N62/3 | Parking system control unit | With CODE 235 (Active park assist) | Flex E |
| N62/4 | Driver assistance systems control unit | With code 233 (Adaptive cruise control Plus (DISTRONIC PLUS)) | - |
| N73/3 | Electronic ignition switch control unit | - | CAN B1 CAN-D PER CAN CAN S1 CAN S2 Flex E |
| N112/2 | Telematics services communication module | with code 383 (RAMSES ENTRY communication module) or code 384 (RAMSES HIGH communication module) | - |
| N127 | Drivetrain control unit | - | CAN C CAN C1 CAN C2 CAN-D CAN ED1 CAN ED2 CAN ED2 CAN T Flex E |
| N133/1 | Instrument cluster control unit | - | CAN A1 CAN A2 |
| N145 | Transmission mode control unit | With engine M177 | CAN-D Flex E |
| N162/1 | Active ambient lighting control unit | With code 878 (CONNECTED LIGHT ambient lighting) | CAN AAMB 1 CAN AAMB 2 CAN AAMB 3 |
| X11/4 | Diagnostic connector | - | CAN-D |
A separate Ethernet connection is also present between the electronic ignition lock control unit and the diagnostics connection.
Flex E - Suspension FlexRay
Shown on model W223
SUSPENSION FLEXRAY (FLEX E)
| Control unit | Additional information | Further networking | |
|---|---|---|---|
| A40/11 | Multifunction camera | Except code 233 (Adaptive cruise control Plus (DISTRONIC PLUS)) and except code 503 (Remote-controlled parking) | - |
| B92/20 | Medium-range radar sensor | With code 239 (Adaptive cruise control Pro (DISTRONIC PRO)) or code 258 (Active Brake Assist) | - |
| N2/5 | Supplemental restraint system control unit | - | - |
| N30/3 | Electronic Stability Program control unit | Except code 503 (Remote-controlled parking) | - |
| N30/9 | Brake unit control unit | With code 503 (Remote-controlled parking) | CAN R1 |
| N30/10 | Electronic Stability Program control unit | With code 503 (Remote-controlled parking) | CAN R1 |
| N45 | All-wheel drive control unit | With engine M177 | - |
| N51/8 | Suspension and damping system control unit | - | PER CAN E1 PER CAN E2 |
| N62/3 | Parking system control unit | With CODE 235 (Active park assist) | Ethernet |
| N68 | Power steering control unit | - | CAN R1 |
| N68/4 | Rear axle steering control unit | With code 201 (Rear axle steering) | - |
| N73/3 | Electronic ignition switch control unit | CAN B1 CAN-D PER CAN CANS1 CAN S2 Ethernet |
|
| N80 | Steering column module control unit | - | LR CAN |
| N127 | Drivetrain control unit | CAN C CAN C1 CAN C2 CAN-D CAN ED1 CAN ED2 CAN ED2 CAN T Ethernet |
|
| N145 | Transmission mode control unit | With engine M177 | CAN-D Ethernet |
MOST - Media Oriented System Transport
Shown on model W223
MEDIA ORIENTED SYSTEM TRANSPORT (MOST)
| Control unit | Additional information | Further networking | |
|---|---|---|---|
| A26/17 | Head unit | CAN A1 CAN A2 CAN T Ethernet |
|
| N40/3 | Sound system amplifier control unit | With code 810 (Premium sound system) | CAN T |
| N40/7 | Sound system amplifier control unit | With code 811 (High-end sound system) | CAN T |
| N156/1 | Sound generator control unit | With code 96B (Driving noise reduction via speakers (RNC)) or code 97B (Engine noise reduction via speakers (EOC)), but not with engine 279 | CAN T |
| N156/2 | Sound generator control unit | With engine 279 | CAN T |