Mercedes-Benz W163 axle and transfer case oils
ML 270ML 320
Mercedes-Benz W163: what oil goes in the axles and transfer case?
The axles use GL5-grade oil that meets approval MB 235.7 when the axle has no locks. The transfer case takes automatic transmission fluid (ATF) with approval MB 236.10.
How much oil goes in the Mercedes-Benz W163 front and rear axles?
The ML 320 front axle takes 1.1 litres and the rear axle 1.25 litres of oil. For other versions and the exact transfer case quantity, check the manufacturer's service information.
Do the Mercedes-Benz W163 axle and transfer case oils need changing?
A service book entry does not guarantee the oils are still in good condition. If the oils do not come out clear, they should be changed, and they are usually cloudy after long use.
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