Two Cheap Keyless Entry Systems on Ebay
http://cgi.ebay.com/ebaymotors/ws/eB...RK%3AMEWA%3AIT
Note that the only difference is the key blanks that is supplied - so you can buy this kit for a C-class below and make it work on your W124 by getting the correct key blanks:
http://cgi.ebay.com/ebaymotors/ws/eB...RK%3AMEWA%3AIT
Here's another one up for auction, a bit more time before it closes:
http://cgi.ebay.com/ebaymotors/ws/eB...RK%3AMEWA%3AIT
This system does NOT roll up your windows / close sunroof / make waffles. However, it of course will activate/deactivate the factory alarm at the same time. If you want more features you're probably better off with a full-blown alarm module that has keyless access features, but you'll probably not get the "OEM-Look" remote. Actually, the hardest thing left for me to do now is to find a correct diameter M-B logo to glue onto the back of the remote, just like the pic below of the factory unit : )
I'll be posting some pics of my install later, in case it helps anybody.
I used some instructions in the DIY section of mercedesshop, the rest, I figured out on my own and info is posted on my site
www.2phast.com/500e



