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Change transmission fluid (AF22)
Note: Only perform a
transmission fluid change if the vehicle is subjected to extreme
operating conditions.
Conditions are considered extreme if one or more of the following
occur frequently:
Cold starts, stop-and-go traffic, caravan/trailer towing, driving
in mountainous terrain, driving on poor roads, high amounts of
pollution, airborne sand and dust, high altitudes and great
temperature fluctuations.
Extreme operating conditions also applies to police vehicles,
taxis, driving school vehicles and when the vehicle is driven
frequently in mountainous terrain with a high load and/or towing a
caravan/trailer.
In these vehicles, transmission fluid is to be changed every 4
years or 60,000 km in the scope of the service plan.
 Remove
| 1. |
Remove lower engine compartment cover
Note: If present.
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| 2. |
Drain off transmission fluid
Note: Place collecting
pan underneath.
| • |
Unscrew oil drain bolt (1)
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| • |
Allow transmission fluid to drain out for approx. 10
minutes
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| • |
Tighten oil drain bolt 40 Nm
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Install
| 3. |
Install lower engine compartment cover
Note: If present.
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Important: Comply with pictogram
(2) on the transmission fluid can.
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| 4. |
Before use, shake the transmission fluid can (1) to make sure
the additive is thoroughly blended.
Note: If you do not
comply with this instruction, when the vehicle is in motion the
transmission fluid will foam up which can lead to transmission
faults.
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| 5. |
Top up transmission fluid to respective MAX mark
Note: Note the oil
capacity and specification
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| 6. |
If the transmission is cold (below +35 °C, within one
minute with the engine idling),
| • |
the correct fluid level must be between the "MIN" and "MAX"
markings on the side of the dipstick marked with "+20 °".
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| 7. |
When the transmission is at operating temperature (approx.
80° C, after approx. 20 km of driving):
| • |
the correct fluid level must be between the "MIN" and "MAX"
markings on the side of the dipstick marked with "+80 °".
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| 8. |
Check transmission fluid temperature
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using MKM-596-A or comparable fluid
temperature measuring device
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