I am currently looking at a '98 E300DT and I would like to know the majors improvements between the '99 versus the '98 version.
Thanks,

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W126 1985 300SD TurboDiesel
W164 2009 ML320 BlueTEC (Sold)
W123 1983 240D Stick (Sold)
W210 1998 E300D TurboDiesel (sold)
W124 1993 300D 2.5 Turbo (sold)
2012 GMC 2500 Duramax PickUp
2015 Ram 1500 EcoDiesel PickUp

Their the same car.

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1999 SL500
1969 280SE
2023 Ram 1500
2007 Tiara 3200

Same car, very few differences. The '98 had MB-tex upholstery standard, with leather optional. The '99 had a leather/tex combo standard, with full leather optional. I think the '99 got a new/different radio; don't believe it's really any better.

The relatively new five-speed automatic transmission was still going through some maturing at that time. A '99 probably includes a few updates from the factory that may or may not have been done to a '98 by a dealer. Pretty minor issue, however.

I can't think of anything else between the two. Just go for the best condition/mileage/price/records car you can find. Don't worry about the year.

- JimY

Other differences:

99 has side curtain airbags

99 has the fiber optic link to the stereo

99 got slightly better EPA MPG ratings (hmm...not sure if that was tweaking of tranny/chip programming or a "real" change)

Thanks everybody.
The '98 E300DT only have 50,000 miles.
It's my cousin's car.
The car was driven only 6 months a year (in storage during winter here in Canada...).

__________________
W126 1985 300SD TurboDiesel
W164 2009 ML320 BlueTEC (Sold)
W123 1983 240D Stick (Sold)
W210 1998 E300D TurboDiesel (sold)
W124 1993 300D 2.5 Turbo (sold)
2012 GMC 2500 Duramax PickUp
2015 Ram 1500 EcoDiesel PickUp

Wow that sounds like a nice one! Just to give you an idea on value their was a 55k miles mint 98 or 99 listed at a local dealer for $26k US.

__________________
1999 SL500
1969 280SE
2023 Ram 1500
2007 Tiara 3200