News Channel Update |
TO: Mercedes-Benz Dealer Principals, General Managers, Sales
Managers, Service Managers, Parts Managers
RE: Service Campaign Launch Notification
Update Powertrain Control Unit Software
MY19 205 (C-Class)

Vehicle Compliance & Analysis
FROM: Gregory Gunther, Department Manager, Vehicle
Compliance and Analysis, Engineering Services
DATE: March 6, 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. :

2020020022

19P5499405

March 6, 2020

Update Powertrain Control Unit
Software

This is to notify you of the Service Campaign Launch to update powertrain control unit software in 91 Model Year (“MY”) 2019 C-Class (205
platform) vehicles. The vehicles will be visible and flagged in VMI as “OPEN” on March 6, 2020.

Background
Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz vehicles has determined that
on certain Model Year (“MY”)19 C-Class (205 platform) vehicles, the software of the powertrain
control unit might not meet current production specifications. An incorrect software could result
in the incorrect display of the vehicle's service interval despite a system reset.

Issue

What We’re Doing

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

Parts

Software is available and can be performed.

Vehicles Affected
Vehicle Model Year(s)

2019

Vehicle Model

C-Class

Vehicle Populations
Total Campaign Population

91

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. 2020020022, March 2020

TO:

ALL MERCEDES-BENZ CENTERS

SUBJECT: Model C-Class (205 platform)
Model Year 2019
Update Powertrain Control Unit Software

Mercedes-Benz AG ("MBAG"), the manufacturer of Mercedes-Benz vehicles has determined that on
certain Model Year (“MY”)19 C-Class (205 platform) vehicles, the software of the powertrain control unit
might not meet current production specifications. An incorrect software could result in the incorrect
display of the vehicle's service interval despite a system reset. An authorized Mercedes-Benz dealer will
update the powertrain control unit software on the affected vehicles.

Prior to performing this 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 Campaign bulletin and follow the repair procedure exactly as described.

Approximately 91 vehicle is affected.

Order No. P-SC-2020020022
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.

Work procedure

1. Connect XENTRY Diagnosis.
2. Update software of powertrain (PTCU) control unit.
To do this, select menu item "Quick test view
N127 'powertrain' control unit (PTCU)
Control unit update
Update of control unit software".
Then follow the user guidance in XENTRY Diagnosis.

3. Disconnect XENTRY Diagnosis.

Warranty Information
Operation: Connect/disconnect battery charger (02-5058)
Star Diagnosis System (SDS), Connect/disconnect (02-4762)
Update powertrain (PTCU) control unit (02-9334)
Damage Code
54 994 05 8

Operation Number
02-5058
02-4762
02-9334

Note
Operation Number labor times are subject to change

P-SC-2020020022

Labor Time (hrs.)
0.1
0.1
0.1

Adaptations