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Originally Posted by Kebowers
The life of the MBZ tranny depends on how well it is serviced (fluid and filter changes) and how it is used. Lots of high throttle shifts will 'use up' some clutch life and gear train life of course. However FAR MORE transmission die from neglect--the fluid is not changed regularly enough and the protective additives get exhausted and the oil oxidizes, becoming acidic and forms gum and varnish, attacks clutch linings, thrust washers,etc.
Unless you really work it HARD (lots of trailer towing, high throttle shifts) or overheat it, IF you change the fluid regularly and keep the cooling system in good condition, the transmission WILL last well over 300,000 miles.
These transmission SELDOM fail from normal wear. 99.9% of the time its due to inadequate servicing. 'Recomended' service intervals (in your case --NEVER) is not adequate for long transmission life--that service protocol MAY get you past the end of warranty--just--which seems to be the current focus of the New Chrysler/Daimler company.
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Thanks for the info, this is highly valuable infomation. I have two cars, a 94 E420 and a S500 which I would like the keep for a long time, so I guess I should have the tranny flush and filter replaced every year? I don't have a problem with doing that. I average about 15K miles each year. on the 97 S500 I drive only 4K mile if even that each you. Should I wait two years to service the S500? I really don't don't do high throttle shifts, on the S500. Thanks again,
02-28-2006, 01:38 PM
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