Replace HERMES Control Unit (Code: VS2HE06DUM) - SM82.95-S-0018D

Model 447.6##/7## ## as of 904382 up to 945119 

with code JH3 (Communication module (LTE) for digital services) 

with code JH8 (Special control, communication module) 

with code ZU7 (National version for Canada) 

Model 447.6##/7## ## as of 904382 up to 945119 

with code JH3 (Communication module (LTE) for digital services) 

with code JH8 (Special control, communication module) 

with code ZU8 (National version for USA) 

Courtesy of MERCEDES-BENZ USA

Shown on model 447.7/6 

Courtesy of MERCEDES-BENZ USA

Shown on model 447.7/6 

Shown on information labels at overhead control panel 

Courtesy of MERCEDES-BENZ USA

Shown: Supplementary booklet "Notes on vehicles without communication module" 

Courtesy of MERCEDES-BENZ USA

Notice	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
Notice	Notes on carrying out repair work in the vehicle interior		AH68.00-D-0001-01KOS
	Notes on programming control units		AH54.21-P-0001-03Z
	Notes on SCN coding of control units		AH54.21-P-0004-01X
	Check
1	Check if vehicle is affected by measure.	Affected vehicles: Replace HERMES control unit (code: VS2HE06DUM) For authorized Mercedes-Benz service partners, only the entry in the Extended VEGA Application (EVA) system, in the "Current" tab, is decisive. There is no need to also check the affected vehicles in the workshop information system (WIS) or vehicle list.	SM82.95-S-0018-01DDD
	Update Vehicle Documentation (VeDoc)
2	Remove special equipment from online vehicle data card.	Remove existing code JH8 (Special control system for communications module). The code JH8 (Special control system for communication module) can only be removed from VeDoc by an user with write permissions. If no one with change authorization is available, contact the "Wholesale" level first, e.g. "Market Performance Center" (MPC), "General Distributor" (GV), "Logistics Center" (LC), "Regional Logistics Center" (RLC) or "European Logistics Center" (ELC). If, for organizational reasons, the "Wholesale" level is unable to provide the assistance mentioned here, you may then, as an alternative, contact the VeDoc Hotline per ticket in the XENTRY Support (XSF) system. To rule out any routing errors, it is advisable to generate the Ticket in "XSF" from inside VeDoc. In this instance, the ticket must be forwarded in "XSF" from the responsible "Wholesale" level to the VeDoc Hotline.
	Remove
3	Switch off ignition and store transmitter key outside of transmission range (min. 2 m).
4	Remove left cover under the dashboard.
		Model 447.6/7 with code LC7 (Front footwell illumination)	AR68.10-S-1500E
5	Disconnect electrical connectors (1).
6	Release front and rear lock on holder (2) and remove dummy control unit to one side.	Dispose of removed dummy control unit properly. Observe the applicable legal requirements and specifications of the relevant country.
	Install
7	Install new HERMES control unit (N112/9) on holder (2) and lock.
8	Connect electrical connectors (1).
9	Install left cover below the instrument panel.
		Model 447.6/7 with code LC7 (Front footwell illumination)	AR68.10-S-1500E
	Commissioning of control unit
10	Connect charging equipment.
			AR54.10-S-1127E
		During the entire work procedure a sufficiently large voltage supply must be provided for the vehicle's on-board electrical system. Otherwise any undervoltage that occurs may damage the control units. Follow the operating instructions for the charger. Use the charger to ensure that an adequate power supply (min. 12.5 V) is provided for the onboard electrical system battery.
11	Install vehicle diagnosis system.	If XENTRY Diagnosis is not yet attached.
			AD00.00-S-2000-04E
		Always make sure that XENTRY Diagnosis is updated to the latest version. For further information on Retail Data Storage, see service information above. It is essential to follow the operation steps in the diagnostic system. If XENTRY Diagnosis is already connected to vehicle, ↓ continue with operation step 12.
12	Perform commissioning of HERMES control unit (N112/9) using vehicle diagnosis system.
			AR54.21-S-0014E
		To do this, select the following menu items: Quick test view → N112/9 - Telematics services' (HERMES) communication module (code: JH3) → Adaptations → Commissioning → Initial startup of already installed control unit It is absolutely essential to precisely follow the operation steps as described in the vehicle diagnosis system. The software update in the HERMES control unit (N112/9) can take several hours.  Do not yet remove vehicle diagnosis system.
	Update SCN coding
13	Perform SCN coding in air conditioning system control and operating unit.
			AR54.21-S-0015E
		To do this, select the following menu items: Adaptations → Control units update → Updating of SCN coding The operation steps in XENTRY Diagnosis must be followed precisely at all times. Do not yet remove vehicle diagnosis system.
14	Perform SCN coding on radio.
			AR54.21-S-0015E
		To do this, select the following menu items: Adaptations → Control units update → Updating of control unit software Follow instructions for updating SCN coding. The operation steps in XENTRY Diagnosis must be followed precisely at all times. Do not yet remove vehicle diagnosis system.
	Check
15	Perform function test of HERMES control unit (N112/9) using diagnostic system.	To do this, select the following menu items: HERMES control unit (N112/9) → Actuations → Selftest The operation steps in XENTRY Diagnosis must be followed precisely at all times.
16	Perform function test of emergency call system.	To do so, switch on ignition without touching brake pedal and check if the "SOS NOT READY" warning message disappears automatically in the instrument cluster. Model 447.6/7 with code E3C (Audio 30) or code EA4 (Audio 40) or code EN6 (Audio 10) or code EN7 (Audio 15) On these vehicles, switch on the radio and check if "SOS NOT READY" appears in the central display of the radio, and then check if shortly after this "SOS NOT READY" automatically disappears from the central display.
17	Remove vehicle diagnosis system.
			AD00.00-S-2000-04E
18	Remove charger from vehicle.
			AR54.10-S-1127E
19	Remove SOS information sign (3) from cover and "Emergency call" button from overhead control panel.
20	Remove supplementary booklet (4) from vehicle.	Dispose of supplementary booklet (4) "Notes on vehicles without communication module" with item number A 000 584 50 15  properly. Observe the applicable legal requirements and specifications of the relevant country. All functions of the emergency call system are available with the repair work described here, therefore the supplementary booklet (4) is no longer required.