I recently acquired my second MB, a 1995 E320 Wagon, and have some pending questions that I haven't seen commented anywhere else in this (most valuable!) newsgroup, so here they are:

* I have some rust around the jack holes (and possibly elsewhere on the rockers):
+ First of all I thought that the W124's didn't rust?!
+ Secondly I see some screws on the bottom letting me think that removing the rocker covers (to spread some POR-15 myself) is doable on the W124 (contrary to the W126): is this correct or just an impression?

* How long do the hydraulic suspension spheres in the back typically last?

* The accelerator seems both harder and less smooth / linear than on my 300SE: normal?

* To drive straight I have to turn the wheel off center to the left when driving on the right lane, and vice versa. This is like on my W126, but I thought it would have been addressed on the more modern model?

* The radio gets surprisingly hot after driving for a few hours: is this normal on this model?

* I only have sound from the front loudspeakers, even after trying to adjust the radio's "fader": is there e.g. another button somewhere?

* The lights under the rear doors don't come on when the doors are open: same question.

Thanks in advance!

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1991 W126 300SE (M103)
1995 W124 E320 Wagon (M104)