On vehicles as of 01.09.2015 (model year 2016) there are two chassis CAN variants.
Variant 1:
If the vehicle does not contain any of the equipment codes specified in variant 2, then, as before, only one chassis CAN (CAN E) is available.
Version 2:
If the vehicle contains one of the following equipment codes, then one chassis CAN 1 (CAN E1) and one chassis CAN 2 (CAN E2) are available:
Code 218 (Backup camera)
Code 234 (Blind Spot Assist)
Code 459 (Steel suspension with adjustable damping)
Code 475 (Tire pressure monitor)
Code 476 (Lane Keeping Assist)
Code 513 (Speed Limit Assist)
Code 614 (bi-xenon headlamp unit)
CODE 615 (Bi-xenon headlamps with active curve lights)
CODE 618 (Bi-xenon headlamps)
Code 621 (Intelligent Light System (left-hand traffic))
CODE 622 (Intelligent Light System)
Code 631 (Static LED headlamps for left-hand traffic system)
Code 632 (Static LED headlamps for right-hand traffic system)
A differentiation is made in the following text between variant 1 and variant 2.
P82.70-7661-79
Variant 1 |
A1 | Instrument cluster | H4/27 | Center instrument panel speaker | S111s1 | Buttons + and - for setting specific functions and volume control | ||
A2 | Radio (with CODE 510 (Audio 20 CD with CD changer, 6-disk) or with CODE 523 (Audio 20 CD); model 246, 117.3 as of 03.11.2014, model 156, 176 as of 01.09.2015, model 117.9 with CODE 505 (Radio 20 NTG5 non-navigation capable), with CODE 520 (Audio 20 USB) or with CODE 522 (Audio 20 radio)) | N40/3 | Sound system amplifier control unit (with CODE 810 (Sound system)) | CAN A | Telematics CAN | ||
A2/23 | GPS antenna (with CODE 510 (Audio 20 CD with CD changer, 6-disk) or with CODE 523 (Audio 20 CD); model 246, 117.3 as of 03.11.2014, model 156, 176 as of 01.09.2015, model 117.9 with CODE 505 (Radio 20 NTG5 non-navigation capable) or with CODE 520 (Audio 20 USB)) | N73 | Electronic ignition switch control unit | CAN B | Interior CAN | ||
A2/91 | Bluetooth® antenna | N80 | Steering column module control unit | CAN E | Chassis CAN | ||
A40/3 | COMAND controller unit (with CODE 512 (COMAND APS incl. DVD changer) or with CODE 527 (COMAND APS with single DVD drive (with navigation)); model 246, 117.3 as of 03.11.2014, model 156, 176 as of 01.09.2015, model 117.9 with CODE 531 (COMAND APS)) | N123/7 | Drive Kit control unit for iPhone® | LIN E1 | Steering LIN | ||
A40/8 | Audio/COMAND display | N123/7x1 | Electrical connection for Drive Kit for iPhone® | LVDS | Low voltage differential signal | ||
A40/9 | Audio/COMAND control panel | N135 | Steering wheel electronics | MOST | Media Oriented System Transport |
P82.70-7768-79
Variant 2 |
A1 | Instrument cluster | N40/3 | Sound system amplifier control unit (with CODE 810 (Sound system)) | CAN B | Interior CAN | ||
A2 | Radio (with CODE 510 (Audio 20 CD with CD changer, 6-disk) or with CODE 523 (Audio 20 CD); model 246, 117.3 as of 03.11.2014, model 156, 176 as of 01.09.2015, model 117.9 with CODE 505 (Radio 20 NTG5 non-navigation capable), with CODE 520 (Audio 20 USB) or with CODE 522 (Audio 20 radio)) | N73 | Electronic ignition switch control unit | CAN E1 | Chassis CAN 1 | ||
A2/23 | GPS antenna (with CODE 510 (Audio 20 CD with CD changer, 6-disk) or with CODE 523 (Audio 20 CD); model 246, 117.3 as of 03.11.2014, model 156, 176 as of 01.09.2015, model 117.9 with CODE 505 (Radio 20 NTG5 non-navigation capable) or with CODE 520 (Audio 20 USB)) | N80 | Steering column module control unit | CAN E2 | Chassis CAN 2 | ||
A2/91 | Bluetooth® antenna | N123/7 | Drive Kit control unit for iPhone® | LIN E1 | Steering LIN | ||
A40/3 | COMAND controller unit (with CODE 512 (COMAND APS incl. DVD changer) or with CODE 527 (COMAND APS with single DVD drive (with navigation)); model 246, 117.3 as of 03.11.2014, model 156, 176 as of 01.09.2015, model 117.9 with CODE 531 (COMAND APS)) | N123/7x1 | Electrical connection for Drive Kit for iPhone® | LVDS | Low voltage differential signal | ||
A40/8 | Audio/COMAND display | N135 | Steering wheel electronics | MOST | Media Oriented System Transport | ||
A40/9 | Audio/COMAND control panel | S111s1 | Buttons + and - for setting specific functions and volume control | ||||
H4/27 | Center instrument panel speaker | CAN A | Telematics CAN |
Function requirements for Drive Kit for mobile devices, general
The audio equipment is switched on.
The iPhone® (4, 4S or 5s/5c/5) is operated using a mobile phone contract with data option.
The "Digital DriveStyle App" is installed and configured on the iPhone®.
The iPhone® is connected to the Drive Kit electrical connector for the iPhone® (automatic locking, code locking and flight mode must be deactivated, the iPhone® must show the home screen and no other apps may be activated in the foreground)
The iPhone® is connected in the telephone compartment under the armrest to the Drive Kit electrical connector for the iPhone®. When connecting and disconnecting the iPhone®, the release buttons on both narrow sides of the Drive Kit electrical connector for the iPhone® must be pressed.
Drive Kit for mobile devices, general
With the Drive Kit for mobile devices, the functions of the Digital DriveStyle App can be used in the vehicle. To do so, the Drive Kit control unit for the iPhone® communicates via the Drive Kit electrical connector for the iPhone® with the connected iPhone®. At the time of the market launch, the following functions can be used with the Digital DriveStyle App, for example:
Navigation
CarFinder: The current position is stored in the iPhone® as the vehicle location as soon as it is disconnected from the Drive Kit electrical connector for the iPhone®. Using the map and pedestrian navigation integrated in the iPhone®, you can be led to the vehicle location.
GlympseTM: Makes it possible to make your own location accessible to others for a certain period of time.
AUPEO! Personal Radio: Makes it possible to call up songs from an audio database based on certain selection criteria such as artist, genre or musical topic.
Facebook® and Twitter®: Predefined comments can be selected from a list while driving and the comments can be edited or new comments can be composed with the vehicle at a standstill.
Social playlist
Internet radio
Local search powered by GoogleTM
Check-ins
For the navigation of the Digital DriveStyle App, global positioning system (GPS) signals received via the antenna system of the vehicle are processed and for the voice output, the center instrument panel speaker is connected to the Drive Kit control unit for the iPhone®.
The Digital DriveStyle App can also be used while driving, however the functional scope is limited while driving for safety reasons. The following functions are only possible with the vehicle at a standstill, for example:
Text view of posts and tweets (the user can have the text read aloud while driving)
Individual text entry of new Facebook® and Twitter® comments (the selection of comments from a list is possible while driving)
Display of pictures
Display of videos (only the soundtrack of the audio track is available while driving)
Local search powered by GoogleTM
The information of whether the vehicle is driving or at a standstill is received by the Drive Kit control unit for the iPhone® via interior CAN.
If the iPhone® is connected via Bluetooth® with the audio equipment, the connected iPhone® can also be used for the telephony. With an incoming call, the audio equipment automatically switches to the "Telephone" menu. If the user wishes to make a phone call with the connected iPhone®, he/she must first end the Digital DriveStyle App.
The Drive Kit function for mobile devices comprises the following function sequences:
Function sequence for starting and ending Digital DriveStyle App
Function sequence for operating Digital DriveStyle App
Function sequence for global positioning system (GPS) signal
Function sequence for receiving vehicle data
Function sequence for video output
Audio output function sequence
Voice output function sequence
Function sequence for forwarding control signals to the audio equipment
Function sequence for forwarding the picture signals from the audio equipment to the Audio/COMAND display
If not all function requirements are given when connecting the iPhone®, the iPhone® can possibly still be used to play back media from the media database of the iPhone®.
Function sequence for starting and ending Digital DriveStyle App
The Digital DriveStyle App is started in that the "Aux" menu is selected in the audio equipment, e.g. with the Audio/COMAND control panel.
The audio equipment receives the control signals of the Audio/COMAND control panel via the following route:
Telematics CAN
Drive Kit control unit for iPhone®
Telematics CAN
If the "Aux" menu is switched on before last switching off the audio equipment, the Digital DriveStyle App can also be started by pressing the "DISC" button on the audio equipment.
The Drive Kit control unit for the iPhone® receives the message that "Aux" was selected via interior CAN from the audio equipment and sends the request to start the Digital DriveStyle App via the Drive Kit electrical connector for the iPhone® to the iPhone®.
The Digital DriveStyle App can be switched off via the following path:
By selecting and confirming the Mercedes star in the function bar. The Drive Kit control unit for the iPhone® receives the Audio/COMAND control panel control signals via telematics CAN.
By pressing the "RADIO" button on the audio equipment. Pressing of the button is processed internally by the audio equipment and the Drive Kit control unit for the iPhone® receives the message that "Aux" was switched off via interior CAN from the audio equipment.
With an incoming call, the audio equipment automatically switches to the "Telephone" menu. If the audio equipment receives the call signal via the Bluetooth® antenna, it activates the "Telephone" menu and sends the message that "Aux" was switched off via interior CAN to the Drive Kit control unit for the iPhone®.
The buttons "NAVI", "TEL" and "SYS" on the audio equipment are nonfunctional as long as the Digital DriveStyle App is switched on.
Function sequence for operating Digital DriveStyle App
The Digital DriveStyle App is operated with the Audio/COMAND control panel. The Drive Kit control unit for the iPhone® receives the Audio/COMAND control panel control signals via telematics CAN. The Drive Kit control unit for the iPhone® communicates in accordance with the control signals via the Drive Kit electrical connector for the iPhone® with the iPhone® and sends the menu displays and screen views via an LVDS line to the Audio/COMAND display.
Operation via the left multifunction steering wheel button group (S110) and the right multifunction steering wheel button group (S111) is not possible with the exception of the volume setting shown below. Operation via the voice control system (VCS [SBS]) is not possible.
Volume settings can be made on the audio equipment or via the + and – button, setting of specific functions and volume control on the multifunction steering wheel. The audio equipment receives the signals of the + and – button, setting of specific functions and volume control via the following route:
Steering wheel electronics
Steering LIN
Steering column module control unit
Variant 1:
Chassis CAN
Version 2:
Chassis CAN 1
Electronic ignition switch control unit
Chassis CAN 2
Instrument cluster
Interior CAN
The audio equipment processes the volume settings or forwards them to the Drive Kit control unit for the iPhone®.
Function sequence for global positioning system (GPS) signal
On vehicles with CODE 512 (COMAND APS incl. DVD changer), with CODE 527 (COMAND APS with single DVD drive (with navigation)) or on model 246, 117.3 as of 03.11.2014, on model 156, 176 as of 01.09.2015, model 117.9 with CODE 531 (COMAND APS), with CODE 522 (Audio 20 radio) the audio equipment sends the GPS position over the interior CAN to the Drive Kit control unit for the iPhone®.
On vehicles with CODE 510 (Audio 20 CD with CD-changer, 6-disk), with CODE 523 (Audio 20 CD) or on model 246, 117.3 as of 03.11.2014, on model 156, 176 as of 01.09.2015, model 117.9 with CODE 505 (Radio 20 NTG5 non-navigation capable), with CODE 520 (Audio 20 USB), the Drive Kit control unit for the iPhone® receives the GPS signals directly from the GPS antenna, which is installed behind the instrument cluster in the instrument panel.
The Drive Kit control unit for the iPhone® forwards the GPS signals via the Drive Kit electrical connector for the iPhone® to the iPhone®.
Function sequence for receiving vehicle data
The Drive Kit control unit for the iPhone® receives this via interior CAN from the electronic ignition lock control unit and forwards it via the Drive Kit electrical connector for the iPhone® to the iPhone®.
Function sequence for video output
The Drive Kit control unit for the iPhone® receives the video signals via the Drive Kit electrical connector for the iPhone® from the iPhone® and sends these via an LVDS line to the Audio/COMAND display.
Audio output function sequence
The audio signals from the iPhone® are forwarded to the AUX input of the audio equipment via the following route:
Electrical connection for Drive Kit for iPhone®
Drive Kit control unit for iPhone®
On vehicles except CODE 810 (Sound system), the audio equipment outputs the audio signals over the speaker system. On vehicles with CODE 810 (Sound system), the audio equipment sends the audio signals via MOST to the sound system amplifier control unit, which outputs the audio signals over the speaker system. The signals from the sound system amplifier control unit for the center instrument panel are looped through the Drive Kit control unit for the iPhone®.
Voice output function sequence
The Drive Kit control unit for the iPhone® receives the voice output via the Drive Kit electrical connector for the iPhone® from the iPhone®. If the "Aux" audio source is active or if no audio source is active, the Drive Kit control unit for the iPhone® forwards the voice output for the navigation of the Digital DriveStyle App to the audio equipment.
If a different audio source than "Aux" is active at the audio equipment (e.g. FM radio), the Drive Kit control unit for the iPhone® outputs the voice output for the navigation over the center instrument panel speaker.
Function sequence for forwarding control signals to the audio equipment
The Drive Kit control unit for the iPhone® receives the control signals from the Audio/COMAND control panel over the telematics CAN and forwards them over the telematics CAN to the audio equipment.
Function sequence for forwarding the picture signals from the audio equipment to the Audio/COMAND display
The Drive Kit control unit for the iPhone® receives the picture signals from the audio equipment over an LVDS line and forwards them over an LVDS line to the Audio/COMAND display.