ZF has updated the recommendation.
https://aftermarket.zf.com/remotemed...e-ml-11-en.pdf
edition 11.04.2023
ZF States:
ZF 5-, 6-, 8- and 9-speed as well as the ZF 4HP20 automatic transmissions are filled maintenance-free with specially developed semi-synthetic ATF oils. However, due to the many factors influencing the service life of transmissions in individual operation, ZF recommends an oil change after
150,000 km for its transmissions. In operating conditions with
high temperatures and loads, or with unknown vehicle use in the past, it can make sense to change the transmission oil at shorter intervals.
In each case, only released ATF oil may be used for oil changes. And oil changes must be performed in accordance with the relevant specifications. The exception is the ZF 5HP18 automatic transmission which must be filled differently depending on the version.
Approved lubricants for service fills
According to spare part number of vehicle manufacturer:
ZF LifeguardFluid 8 (ZF No. S671 090 312)
=> Audi / VW Oil No. G 060162 A1 / A2 / A6 ATF
=> BMW ATF 3+, Oil No. 83 22 2 289 720
=> Jaguar Oil No. 02JDE 26444
=> Land Rover Oil No. LR023288
=> Chrysler Oil No. 68157995AA
=> Petronas Tutela Transmission AS8
=> Iveco Oil No. 5000 42 124
=> Aston Martin Oil No. FD33-19A509-AA
=> Bentley Oil No. JNV 862 564 D
=> Porsche Oil No. 000 043 210 54
Quote:
Originally Posted by TaisChuu
https://www.zf.com/global/media/en_z...s/TE-ML_11.pdf
ZF states:
ZF 5-, 6-, 8- and 9-speed as well as the ZF 4HP20 automatic transmissions are filled maintenance-free with specially developed partially synthetic ATF oils. Maintenance-free fills are intended for normal operating conditions. Especially driving at very high operating temperatures can result in accelerated aging or increased wear of ATF oils. It is recommended, in the event of severe operating conditions, such as:
- frequent highway driving in top speed range,
- offensive, sporty driving style,
- frequent trailer operation,
being above average, oil purification (oil change) on automatic transmissions is recommended between 80,000 km and 120,000 km, or 8 years, depending on the load.
There you have it, hope this helped.
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