Oil Level In Automatic Transmission; Checking The Transmission Oil Level - Mercedes-Benz Atego Manual

Oil level in automatic transmission

Oil level in automatic transmission

To check the oil level in the automatic transmission the vehicle must be parked on level ground and the
transmission must be at operating temperature.
!
If the indicator lamp
is too high. This may be caused by an excessive or insufficient transmission oil level. If the transmission oil
temperature is continuously too high, transmission damage is possible.
Only use approved transmission oils of the specified SAE grades. Do not overfill. If too much transmission oil
is added, drain off or extract the excess. There is a risk of transmission damage.
Checking the transmission oil level in the
display
Starting transmission oil level measurement
Apply parking brake.
Shift transmission to neutral N and run engine at
idle speed.
Press buttons 2 and 3 simultaneously.
The display 1 shows the numbers 8 to 1 in
succession, counting down a waiting time of
about 2 minutes.
The display 1 then shows the transmission oil
level in the form of a code or a fault code.
Transmission oil level display
Code
oL oK
oL Lo
oL HI
50
Guidelines for Breakdown Services (Subject to technical modifications)
i
7
lights up or flashes while driving, the temperature of the transmission oil or coolant
Meaning
Transmission oil level OK.
Transmission oil level too low.
The number displayed after indicates the quantity of transmission oil to be topped up,
e.g. 01 = 1 liter.
Transmission oil level too high.
The number displayed after indicates the quantity of transmission oil to be drained or
extracted, e.g. 01 = 1 liter.