[W126 Coupe] 560SEC acceleration

[Tim Schmidt]

Good evening,
I just received a 1989 560SEC as a result of an Ebay bid.  I had never test driven one, so I took my chances on it.  Mechanically, the car is in great shape after taking it in for an inspection.  The only problem I have is in the way it accelerates.  It seems like I practically have to floor it to get it moving.  I know it is a large sedan and heavy, but it seems extremely sluggish, especially for having an engine the size it does.  My mechanic adjusted the throttle a little, but said this is typical of Mercedes.  I had previously owned a 93 300E and it seemed more peppy than this car.  Is there anything that can be done to improve how it accelerates??  I guess I really do like more power or torque from the get go.  The specs say it goes from 0-60 in 7 seconds.  It certainly doesn't feel that fast, though I haven't timed it.   Would getting it supercharged help considerably?  If so, can anyone make any recommendations for a supercharger?  I would hate to have to get rid of it for this reason, because I absolutely love everything else about it.  Hopefully there is something that can be done.  Thanks in advance for your help.

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