GF00.20-P-0003-02R Active Service System (ASSYST), Mercedes- Benz Driver Information Service
GF00.20-P-0003-02R Active Service System (ASSYST), Mercedes- Benz Driver Information Service
This document provides an overview of the driver information that available using ASSYST, as displayed in the left (A1p13) and right (A1p15) multifunction displays on the instrument cluster. Unless otherwise specified, the display is in white font.
First, the driver information
- pertaining to the service interval is shown, then
- the engine oil fault and warning messages, and finally
- the oil level measurement messages upon driver request.
With the majority of remaining time or remaining distance displays, the service (A or B; one or two service symbols) is also displayed. The display language can be selected using the "Settings" function of the instrument cluster (A1).
The messages in the left (A1p13) and right (A1p15) multifunction displays are assigned to 3 categories according to their priority. Category two and three messages can be acknowledged by the driver using the Reset button. Category one messages (highest priority) cannot be acknowledged.For more information, please refer to the instrument cluster function description.
Remaining distance (Service A)
1 Service symbol
2 Text: "SERVICE A" "IN XXXX KM" or "IN XXXX miles"
A1p13 Left multifunction display
A1p15 Right multifunction display
This display is shown when the service display is manually loaded, or the warning threshold has been reached.
This display does not appear if the time-based servicing scheme is active, which may be the case in vehicles with a low annual mileage.
Remaining distance (Service B)
1 Service symbol
2 Text: "SERVICE B" "IN XXXX KM" or "IN XXXX miles"
A1p13 Left multifunction display
A1p15 Right multifunction display
This display is shown when the service display is manually loaded, or the warning threshold has been reached.
This display does not appear if the time-based servicing scheme is active, which may be the case in vehicles with a low annual mileage.
Remaining time (Service A)
1 Service symbol
2 Text: "SERVICE A" "IN XXX DAYS
A1p13 Left multifunction display
A1p15 Right multifunction display
This display is shown for vehicles with low annual mileage when the service display is manually loaded, or when the warning threshold has been reached.
In most cases, the remaining distance is shown.
Service interval expired (i.e. remaining distance or remaining time)
1 Service symbol
2 Text: "PERFORM SERVICE A"
A1p13 Left multifunction display
A1p15 Right multifunction display
This display is shown as soon as the service interval has expired. The remaining distance or remaining time is now 0 km or 0 days, respectively. However, these values are not displayed.
If the service interval is exceeded by more then 100 km or 1 day, this display is replaced by the following displays.
Service interval (distance) exceeded (remaining distance exceeded)
1 Service symbol
2 Text: "SERVICE A XXXX KM EXCEEDED" or "XXXX ML EXCEEDED"
A1p13 Left multifunction display
A1p15 Right multifunction display
This display appears as soon as the service interval (remaining distance) is exceeded by more than 100 km.
This display is not shown when the time-based servicing scheme (remaining time) is activated. Which can be the case for vehicles with low annual mileage.
Service interval (time) has been exceeded (remaining time exceeded)
1 Service symbol
2 Text: "SERVICE A XXXX DAYS EXCEEDED"
A1p13 Left multifunction display
A1p15 Right multifunction display
This display is shown as soon as the service interval (remaining time) has been exceeded by more than one day.
This display is only shown when the time maintenance (remaining time) function has been activated. This can be the case for vehicles with low annual mileage.
Driver information on engine oil
There are two different types of driver information engine oil messages: warning messages (e.g. underfilled) and oil level reading messages initiated by the driver.
Engine oil warning messages:
Too little oil can cause engine damage
1 Oil can symbol
2 Text: "ENGINE OIL LEVEL" "STOP, SWITCH ENGINE OFF"
A1p13 Left multifunction display
A1p15 Right multifunction display
This message is displayed in red if the oil level has dropped to a level that can cause damage to the engine.
This is a category 1 message (highest priority).
Minimum engine oil level reached
1 Oil can symbol
2 Text: "ENGINE OIL LEVEL" "CHECK LEVEL"
A1p13 Left multifunction display
A1p15 Right multifunction display
This message is shown when the oil level has reached the minimum fill level.
This is a category 2 message (medium priority).
Too much oil in engine
1 Oil can symbol
2 Text: "ENGINE OIL LEVEL" "REDUCE OIL LEVEL"
A1p13 Left multifunction display
A1p15 Right multifunction display
This message is displayed if there is too much oil in the engine.
This is a category 2 message (medium priority).
Engine oil level or condition of oil has dropped to a critical level
1 Oil can symbol
2 Text: "ENGINE OIL" "VISIT WORKSHOP"
A1p13 Left multifunction display
A1p15 Right multifunction display
This message is shown when
- the oil level has dropped to a critical level, or
- the oil condition has degraded as a result of water entry, for example.
This is a category 2 message (medium priority).
Oil measuring system defective
1 Oil can symbol
2 Text: "ENGINE OIL LEVEL" "VISIT WORKSHOP"
A1p13 Left multifunction display
A1p15 Right multifunction display
This message is displayed if there is a fault in the oil measuring system (e.g. defective oil sensor (oil level, temperature and quality, B40).
This is a category 2 message (medium priority).
Oil level measurement messages initiated by driver
Note "Please switch ignition on"
1 Oil can symbol
2 Text: "ENGINE OIL LEVEL" "PLEASE SWITCH IGNITION ON"
A1p13 Left multifunction display
A1p15 Right multifunction display
This message is displayed when calling up the oil level when the ignition is not yet turned on.
NOTE: "Not with engine running"
1 Oil can symbol
2 Text: "ENGINE OIL LEVEL" "NOT WITH ENGINE RUNNING"
A1p13 Left multifunction display
A1p15 Right multifunction display
This note is displayed when the oil level is requested with the engine running, since it is not possible to measure the oil level in this operating condition.
NOTE: "Correct measurement only possible with vehicle on a level surface"
1 Oil can symbol
2 Text: "CORRECT MEASUREMENT ONLY POSSIBLE WITH VEHICLE ON A LEVEL SURFACE"
A1p13 Left multifunction display
A1p15 Right multifunction display
This message is always displayed when the oil level is requested. The oil level can only be correctly calculated when the vehicle is on a level surface. This display reminds the driver as such.
NOTE: "Please wait"
1 Oil can symbol
2 Text: "PLEASE WAIT"
A1p13 Left multifunction display
A1p15 Right multifunction display
This display is shown when the oil level is called up when the waiting time after turning on the engine has not been upheld. Waiting time can take up to 30 minutes when the engine is cold.
Amount of oil lacking
This message is displayed when calling up the oil level after the measurement has been performed and oil must be added.
The following quantities may be displayed:
1.0, 1.5, 2.0 liters or quarts.
Oil quantity OK
1 Oil can symbol
2 Text: "ENGINE OIL LEVEL OK"
A1p13 Left multifunction display
A1p15 Right multifunction display
This message is displayed when calling up the oil level after the measurement has been performed and the oil level is OK.