SC- 2022030017

News Channel Update |
PUBLIC
Vehicle Compliance & Analysis
TO: Mercedes-Benz Dealer Principals, General Managers, FROM: Gregory Gunther, Department Manager, Vehicle
Sales Managers, Service Managers, Parts Managers
Compliance and Analysis, Engineering Services
RE: Service Campaign Launch Notification
DATE: April 29, 2022
Retrofit HERMES Control Unit
MY21-22 Various Models
IMPORTANT NEW SERVICE CAMPAIGN LAUNCH INFORMATION
Please note that all customer inquiries should be directed to the Customer Assistance Center at 1-800-FORMERCEDES.
Sincerely,
Gregory Gunther
Department Manager, Vehicle Compliance & Analysis
Mercedes-Benz USA, LLC
One Mercedes-Benz Drive
A Mercedes-Benz Group AG Company
Sandy Springs, GA 30328
770.705.0600
PUBLIC
News Channel Update |
Vehicle Compliance & Analysis
April 29, 2022
Service Campaign Launch Notification
Campaign No. :
Campaign Desc. :
2022030017
22P0699001
Retrofit HERMES Control Unit
This is to notify you of the Service Campaign Launch to retrofit the HERMES control unit in 17,546 Model Year (“MY”) 2021-2022 CLAClass, A-Class, CLS-Class, E-Class, GLA-Class, GLB-Class, GLC-Class, and GLE-Class (118, 177, 213, 238, 247, 253, and 257 platform)
vehicles. The vehicles will be visible and flagged in VMI as “OPEN” on April 29, 2022.
Background
Issue
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz, has determined that certain
MY 2021-2022 CLA-Class, A-Class, CLS-Class, E-Class, GLA-Class, GLB-Class, GLC-Class, GLEClass, and (118, 177, 213, 238, 247, 253, and 257 platform) vehicles were manufactured
without the HERMES control unit, as disclosed to the vehicle purchaser at the time of sale. As a
result, the Mercedes Me Connect services including the emergency call (“eCall”) function are
currently not available.
What We’re Doing
MBUSA will conduct a service campaign. An authorized Mercedes-Benz dealer will retrofit the
HERMES control unit to the vehicle and enable the Mercedes Me Connect functions on applicable
vehicles.
Parts
The Remedy is available and can be performed as necessary. Parts will be VOR Only.
Vehicles Affected
Vehicle Model Year(s)
2021-2022
Vehicle Model
CLA-Class, A-Class, CLS-Class, E-Class, GLA-Class, GLB-Class, GLC-Class, and GLE-Class
Vehicle Populations
Total Campaign Population
17,546
Next Steps/Notes
AOMS/SOMS
AOMs – This campaign may generate questions from your dealers.
Customer Notification Timeline
Customer letters will be mailed on approximately May 20, 2022.
While we regret any inconvenience this may cause, MBUSA is determined to maintain a high level of vehicle quality and customer
satisfaction. Please refer all customer inquiries to the Customer Assistance Center at 1-800-FOR-MERCEDES.
Mercedes-Benz USA, LLC
One Mercedes-Benz Drive
A Mercedes-Benz Group AG Company
Sandy Springs, GA 30328
770.705.0600
Campaign No. 2022030017, April 2022
TO:
ALL MERCEDES-BENZ CENTERS
SUBJECT:
Various Models
Model Year 2021-2022
Retrofit HERMES Control Unit
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz, has determined that on certain MY
2021-2022
CLA-Class, A-Class, CLS-Class, E-Class, GLA-Class, GLB-Class, GLC-Class, and GLE-
Class (118, 177, 213, 238, 247, 253, and 257 platform) vehicles, without the HERMES control unit, as
disclosed at the time of sale to the vehicle purchaser. As a result, the Mercedes Me Connect services
including the emergency call ("eCall") function are currently not available. An authorized Mercedes-Benz
dealer will retrofit the HERMES control unit to the vehicle and enable the Mercedes Me Connect
functions on applicable vehicles.
Prior to performing this Campaign:

VMI must always be checked before performing campaigns to verify that the campaign is required on

a specific vehicle. Always check for any other open campaigns, and perform accordingly.
Please review the entire Campaign bulletin and follow the repair procedure exactly as described.
Approximately 17,546 vehicles are affected.
Order No. P-SC-2022030017
This bulletin has been created and maintained in accordance with MBUSA-SLP S423QH001, Document and Data
Control, and MBUSA-SLP S424HH001, Control of Quality Record
2
Retrofit HERMES control unit
 Code 1B4 corresponds to COMMUNICATION MODULE, NORTH AMERICA VERSION.
 Ensure use of XENTRY Diagnosis version 09/2021 with add-on 20157 or higher XENTRY
Diagnosis version.
 Before starting the work procedure, install all the add-ons that are updated daily in XENTRY
Diagnosis.
 Make sure to follow the operation steps exactly as described in XENTRY Diagnosis.
 Use a battery charger to ensure sufficient power supply of the vehicle on-board electrical system
battery (greater than 12.5 V).
If two or more software updates or SCN codings are performed during a workshop
visit, the operation items 02-4762 and 02-5058 may only be invoiced
once for each workshop order.
Work Procedure
1. Retrofit HERMES control unit.
For basic data, see AR82.95-P-0019MFA for model 118, 177 and 247.
For basic data, see AR82.95-P-0019LWE for model 213 and 238.
For basic data, see AR82.95-P-0019LWX for model 253.
For basic data, see AR82.95-P-0019FR for model 257.
Work procedure is identical to "Replace HERMES control unit".
The old control unit can be disposed of.
2. Connect XENTRY Diagnosis with USB cable.
3. Perform commissioning in control unit for telematics services (HERMES).
To do this, select menu item "Quick test view – N112/9 control unit for telematics services (HERMES) –
Adaptations - Teach-in processes – Retrofitting of control unit 'N112/9 control unit for telematics services (HERMES)'".
Then follow the user guidance in XENTRY Diagnosis.
Several control units will be coded!
Clear out fault code memory after coding.
4. Disconnect XENTRY Diagnosis.
5. Remove masking sticker from SOS button of overhead control panel (figure 1).
P-SC-2022030017
3
Figure 1
6. Perform function test.
6.1. Switch ignition to position 1. To do so, press start button once without touching the brake pedal.
6.2. Set head unit to radio menu and check whether SOS NOT READY appears (figure 2).
6.3. Switch ignition to position 2. To do so, press start button a second time without touching the brake pedal.
6.4. Check whether SOS NOT READY subsequently goes out automatically (figure 2).
Figure 2
7. Remove supplement booklet ”Notes on vehicles without communication module” (A 000 584 50 15) if present.
8. Activate Mercedes me connect services if the vehicle is customer owned.
It is recommended the Mercedes me connect services should be activated by the sales department using the
Mmc Activation Best Practices. A separate NCU communication will be sent to the Sales Department informing them
about the benefits of activating services.
P-SC-2022030017
4
Primary Parts Information
Qty.
Part Name
Part Number
As required (1)
HERMES control unit, NAFTA (code 1B4)
A 238 900 91 01
Small parts such as screws/bolts, lock nuts, sealing rings, cable ties, fluids, sealant, etc. are not listed in the parts list.
The required small parts are taken into account in the budgeting.
__________________________________________________________________________________________________
Note: The following allowable labor operation should be used when submitting a warranty claim for this repair:
Warranty Information
Damage
Code
Operation
Number
Description
Retrofit HERMES control unit
Includes: Perform commissioning
Model 118, 177, 247 and 257
Retrofit HERMES control unit
02-0399
Includes: Perform commissioning
Model 213 and 238
06 990 01
Retrofit HERMES control unit
02-0399
Includes: Perform commissioning
Model 253
Connect/disconnect diagnostic system
02-4762*
(XENTRY Diagnosis)
Connect/disconnect starter battery charger
02-5058*
(with XENTRY Diagnosis connected)
* Operation item may only be invoiced once for each workshop order!
02-0399
Labor Time
(hrs.)
0.7
0.8
0.9
0.1
0.1
Note: Always check ASRA for the current OP-Code times. Labor times are subject to change and updates may not be
reflected in this document.
P-SC-2022030017