News Channel Update |

Vehicle Compliance & Analysis

ATTENTION: Mercedes-Benz Dealer Principals, General Managers, Sales Managers, Service Managers & Parts Managers

Service Campaign Notification
August 8, 2025
Campaign #

Description

N/A

24P5497834

Update Mobile Access Unit – OTA
Mercedes App
☒ Over-the-Air (“OTA”) Update

Campaign Details
Total Population 615

Model(s)/
Platform(s)

Model Year(s) 2024

E-Class (214 platform)

Mercedes-Benz AG, the manufacturer of Mercedes-Benz vehicles, has determined that on certain
subject vehicles, the software for the Mobile Access Unit (“MAU”) control unit may not correspond to
the current series production configuration. This OTA software update for the Digital Vehicle Key
Issue
(“DVK”) function within the MAU will improve battery management by disconnecting the vehicle
network when it is not required. In addition, the software update contains general improvements for
system stability and DVK device compatibility.
MBUSA will conduct an OTA service campaign. Remote software updates are automatically
Remedy
downloaded and installed in the customer’s vehicle free of charge and do not require a dealer visit.
Launch Date The vehicles will not be visible or flagged in VMI or EVA.
Warranty Claim Notice No Service Action is required by the Dealer for this Campaign.
Please refer all customer inquiries to the Customer Care 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

News Channel Update |

Vehicle Compliance & Analysis

Dealers can check for a successful OTA update in VeDoc, or the customer can check using
the Mercedes App. Customers can continue to drive their vehicle. Sufficient battery voltage
may be required for the OTA update to be initialized. If the vehicle has not been driven in
four or more weeks, the ignition should be cycled to initialize the process.

Instructions to verify a successful OTA update in VeDoc:
Dealers can search the VIN in VeDoc (Figure 1, A), then click "Control Units" and "Mobil
Access Unit" (Figure 1, B and C). If the Software Object Number (Figure 1, D) is
"A0019025612, then the OTA update was successful.

A

B

C

D

Figure 1 – Successful OTA update in VeDoc

Mercedes-Benz USA, LLC
One Mercedes-Benz Drive

A Mercedes-Benz Group AG Company

Sandy Springs, GA 30328

770.705.0600

News Channel Update |

Vehicle Compliance & Analysis

Instructions to verify a successful OTA update in the Mercedes App:
Using the Mercedes-me connect App on Android or Apple, the customer can check the
status of the OTA update by going to the “Vehicle” icon and selecting “Over-the-Air Vehicle
Updates” (Figure 2). A successful OTA update will show as “Installed” (Figure 3).

Figure 2 – Over-the-Air Vehicle
Updates

Mercedes-Benz USA, LLC
One Mercedes-Benz Drive

Figure 3 –
A. Pending OTA Update
B. Successful OTA Update

A Mercedes-Benz Group AG Company

Sandy Springs, GA 30328

770.705.0600