I have a W124 and Haynes manual. I hope there is a better manual than Haynes but with the acrhives in this site I can find anything information I have have needed so far. I have worked on cars for over 50 years but not MB so I like all the info I can get.

I have been disassembling/assembling a 603 over the past couple of weeks. The FSM is good, I print pages to put in a binder for the garage / day's tasks, but I keep the Haynes manual on the toolbox for a quick reference on bolt torques etc. A good book if you have some idea what you're doing, if you don't then you should take the car to someone else anyway.

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Gone to the dark side

- Jeff

on this topic. Both is best. The Haynes manuals may occasionally offer a problem with errors but unlike the factory pubs, they often show a way around using an expensive factory special tool. I have seen cases where they actually show you how to make a tool.

There is no Haynes for my 560SL. I use a factory repro CD backed up by a subscription to ALLDATADIY. The CDs are often frustrating because the photos are terrible and at least in my case, they do not cover the transmission.