BenzWorld Junior Member
Date registered: Jan 2006
Vehicle: 1996 W210 E320 ELEGANCE, 1972 W108 280SE 3.5, 1969 W108 280S, 1971 300SEL 3.5
Location: Melbourne, Australia
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I've got a 300SEL 3.5 and I would rock that as a daily, I've just done most of the suspention rubbers and replaced the shocks and rebuild the brakes, all calipers, replaced the rotors and pads, rubber brake lines and the master cylinder on the old girl and she rides like a modern car and stops like and older car does, just need to reteach myself how to apply the brakes a little bit sooner.
All the stuff I did was basic lack of maintenance on the previous owners part and the fact that she sat for about 10 years before rescue, once everything is done I won't need to see the underside for a long while.
In terms of the Air Suspention the main thing to look out for the valves and the bellows (air bags), mine look bad and perished but hold 200psi of air and do not leak, the height valves leak at an O-ring at the pivot shaft but are not easily serviceable for a DIYer but if the car stay up for a few days you should be good if you drive it daily.
To sum up, the stories of these cars being super pricy to maintain is people dropping a lot of coin in a short period of time and it's all maintenance issues, unless you blow the engine or trans, then you are in a different world, but the guys on the M-100 forum can help and advise you on who to go to and what to look out for.