News Channel Update |
TO: Mercedes-Benz Dealer Principals, General Managers, Sales
Managers, Service Managers, Parts Managers
RE: Service Campaign Launch Notification
Maintenance Computer Software Update
MY 16-17 190 (GT-Class)

Vehicle Compliance & Analysis
FROM: Gregory Gunther, Department Manager, Vehicle
Compliance and Analysis, Engineering Services
DATE: January17, 2020

IMPORTANT SERVICE CAMPAIGN INFORMATION
Please see the attached documents related to the campaign listed above.

Please note that all customer inquiries should be directed to the Customer Assistance Center at 1-800-FOR-MERCEDES.

Sincerely,
Gregory Gunther
Department Manager, Vehicle Compliance & Analysis

Mercedes-Benz USA, LLC
One Mercedes-Benz Drive

A Mercedes-Benz AG Company

Sandy Springs, GA 30328

770.705.0600

News Channel Update |

Vehicle Compliance & Analysis

Service Campaign Launch Notification
Campaign No. :

Campaign Desc. :

2020010005

19P5492207

January 17, 2020

Maintenance Computer Software
Update

This is to notify you of the Service Campaign Launch to update the software in the instrument cluster control unit in 1973 Model Year (“MY”)
2016-2017 GT-Class (190 platform) vehicles. The vehicles will be visible and flagged in VMI as “OPEN” on January 17, 2020.

Background
Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz vehicles, has determined that
on certain Model Year ("MY")16-17 GT-Class ( 190 platform) vehicles, the software in the
instrument cluster control unit might not meet current production specifications. Therefore, an
error in the determination of vehicle maintenance schedule may result.

Issue

MBUSA will conduct a service campaign. An authorized Mercedes-Benz dealer will update the
software in the instrument cluster control unit on the affected vehicles.

What We’re Doing

Parts not required. Remedy involves software updates only. The remedy is available and
can be performed.

Parts

Vehicles Affected
Vehicle Model Year(s)

2016- 2017

Vehicle Model

GT-Class

Vehicle Populations
Total Campaign Population

1973

Next Steps/Notes
AOMs – This campaign may generate questions from your dealers. Please forward this notice to
your dealers ASAP.

AOMS/SOMS

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 AG Company

Sandy Springs, GA 30328

770.705.0600

Campaign No. 2020010005, January 2020

TO:

ALL MERCEDES-BENZ CENTERS

SUBJECT: Model GT-Class (190 platform)
Model Year 2016-2017
Maintenance Computer Software Update

Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz vehicles, has determined that on
certain Model Year ("MY")16-17 GT-Class ( 190 platform) vehicles, the software for the instrument
cluster might not meet current production specifications. Therefore, an error in the determination of
vehicle maintenance schedule may result. An authorized Mercedes-Benz dealer will update the software
for the control unit for the instrument cluster on the affected vehicles.

Prior to performing this Recall Campaign:
• Please check VMI to determine if the vehicle is involved in the Campaign and if it has been previously
repaired. Always Check VMI for any open campaigns, and perform accordingly.
• 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 Recall Campaign bulletin and follow the repair procedure exactly as
described.

Approximately 1973 vehicle is affected.

Order No. P-SC-2020010005
This bulletin has been created and maintained in accordance with MBUSA-SLP S423QH001, Document and Data
Control, and MBUSA-SLP S424HH001, Control of Quality Records.

2

•
•

Note:
Use Xentry 09/19 with all associated patches or higher.
Follow the steps exactly as described in Xentry.

•
•
•
•

Connect battery charger (battery voltage
>12.5V).
Ensure all electrical consumers are switched-off.
In the event of software/SCN update issues, contact Star Diagnosis User Help Desk via. XSF ticket.
Refer to Star Diagnosis System (SDS) Best Practices Guide.
If two or more software updates or SCN codings are performed during one workshop visit
operation items 02-4762 and 02-5058 may be invoiced only once for each workshop order.

Work procedure

1. Connect XENTRY Diagnosis.
2. Update instrument cluster (IC) control unit software.
To do so, select menu item "Quick test view
A1 Instrument Cluster (IC)
Control unit update
Update of control unit software."

Adaptations

Then follow the user guidance in XENTRY Diagnosis.

3. Perform coding in powertrain control unit (PTCU).
To do so, select menu item "Quick test view
N127 powertrain control unit (PTCU)
Special
procedures
Re-initialize ASSYST
Confirm twice using "Continue"
If this maintenance data
is to be transferred to the control unit, confirm with "Yes"."
Then follow the user guidance in XENTRY Diagnosis.

Warranty Information
Operation: Connect/disconnect battery charger (02-5058)
Star Diagnosis System (SDS), Connect/disconnect (02-4762)
Update instrument cluster control unit software (02-9334)
Perform coding in powertrain control unit PTCU (02-9446)
Damage Code
54 922 07 8

Operation Number
02-5058
02-4762
02-9334
02-9446

Note
Operation Number labor times are subject to change

P-SC-2020010005

Labor Time (hrs.)
0.1
0.1
0.1
0.1