
mileage can be tracked and reviewed,

upcoming services can be planned in advance,

risky conditions can be identified more quickly based on dashboard feedback and temperature data,

For EV/hybrid vehicles, utilization can be better planned based on charge level, range, and charging data.

Data update
For Mercedes models, data updates occur in a 2-minute cycle.

Odometer reading

Fuel level
(traditional, hybrid)

Battery charge
(hybrid, EV)

AdBlue level

Range

Fuel level
(traditional, hybrid)

Tire pressure

Doors, luggage compartment condition

Cooling water and oil temperature

Time remaining until serviceand kilometer

Dashboard indicators

Stopping points, routes
For supported models, battery level, range, and charging mode and speed are available.
This directly supports increasing EV/hybrid fleet utilization and controlling charging processes, which is a financial advantage in both rental fleets and leasing portfolios.

MERCEDES FLEET
Long-term car rental: data-driven fleet management
TELL Connect Car ellenőrző
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Operations-supporting telematics System
For Mercedes
models
Factory data-based vehicle connection without installation
For Mercedes models, TELL Connect Car takes vehicle data directly from the factory on-board data platform, giving you real-time visibility into your fleet’s mileage and operating status without any installation. This is especially valuable in leasing and rental environments where information delays can be costly.
The range of available data may vary by model, but Mercedes' dataset is strong on the operation, service and EV/hybrid side.
What does this mean in practice?
From the above Mercedes data, the system builds decision-support functions that allow it to react in a timely manner, rather than "face" problems afterwards:
NEW GENERATION CONTROL
Electric and hybrid Mercedes models
MERCEDES FLEET BY MARKET BREAKDOWN
What field do you work in?
Choose your activity - we'll show you how your Mercedes fleet benefits from the TELL Connect Car system.
Available Mercedes factory data
TELL Connect Car can receive and process the following data for Mercedes vehicles:
Continuous transparency is the basis for predictable operations
In the case of long-term car rental contracts, continuous transparency of vehicle usage and technical condition is key to predictable fleet operation.

Real-time insight into vehicle mileage and condition based on factory Mercedes data

A reliable source of information for premium fleet operational decisions

The condition for proactive rather than reactive fleet management
TELL Connect Car enables fleet management to operate consciously and in advance, rather than in a firefighting manner.
Kilometers and maintenance under control
Accurate knowledge of mileage and service needs allows for timely management of contract limits.

Continuous monitoring of factory mileage for accurate management of contractual limits

Visibility of service due information and dashboard feedback

Reducing depreciation and warranty risk resulting from missed services
The timely availability of data directly impacts the long-term health and value of the fleet.
Error codes, accident alerts, proactive intervention
Early detection of error codes and accident events provides an opportunity to intervene before problems have more serious consequences.

Continuous monitoring and early indication of error codes

Detecting accident events for faster response

Mitigating unexpected repair costs and operational risks
The system reduces administration, supports more predictable operations, and contributes to maintaining a premium customer experience.
Car rental fleets: quick turnaround, continuous availability
High utilization and fast fleet turnover
For car rental fleets, the key to profitability is high utilization and fast fleet turnover.

Authentic mileage information based on factory Mercedes data

A stable basis for managing mileage-limited contracts

Reducing disputes during returns
Reliable data directly supports a faster and smoother rental process.
Early detection, less downtime
The visibility of technical status information, dashboard indicators and upcoming services allows you to identify problems already during the rental.

Continuous visibility of technical status indicators, dashboard alerts and upcoming services

Proactive intervention to prevent unexpected failures

Reducing downtime risk by increasing fleet availability
Early intervention directly reduces downtime and preserves the fleet's revenue-generating ability.
Electric models: availability at a glance
In the case of electric Mercedes models, continuous visibility of the charge status and range directly supports daily operational planning.

Real-time visibility of battery charge status and range

Check availability immediately before your next rental

Faster fleet turnover and more stable revenue also for electric models
Knowing the condition data minimizes the proportion of unreleased vehicles and supports continuous fleet rotation.
Real-time data, real-time decisions
The regular data update cycle allows operational decisions to always be based on up-to-date information.

Regular data updates to support operational decisions

Immediate response instead of post-analysis

Megbízható adatalap a flotta napi üzemeltetéséhez
TELL Connect Car is therefore not only an operational tool, but also the basis for faster, more efficient and profitable car rental operations.
Important information
For Mercedes vehicles , the range of available data may vary depending on the model, year and equipment.
Not all types provide the same depth of data connectivity, so the exact data set is always finalized during a preliminary compatibility check.
TELL Connect Car works exclusively with the factory data set provided by Mercedes. The system does not require any retrofitting, does not modify the vehicle's electronics, and does not pose any warranty or technical intervention risks. The data comes from a reliable, factory source.
If you would like to know what you would see from your own Mercedes fleet today, request a personalized demonstration.
Frequently asked questions
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