Join Date: Aug 2016
Location: SF Bay Area
Vehicle: 2003 SLK320
Other Toys: SL500, GL450
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Smarttop install and BAS/ESP light after... I thought I broke something ;)
So I finally got my smarttop and installed it last night. Based on the instructions I saw I thought it would be easy and take 15 minutes tops...
Overall it took me about an hour and a half and it got dark before I was finished so I had to make the last 3 connections holding a penlight in my mouth. When you do something like this the first time give yourself extra time. You don't want to rush it. A couple of the wires were twisted around each other on my wiring harness and it was really hard to get enough slack on them to put the taps on.
I got everything in and made sure I hadn't left any tools sitting on the engine and when I got in to start the car the BAS ESP light was on... Did a quick search on my phone and the threads that came up here were all talking about which sensors may have gone bad and how expensive it was to fix, etc, etc and I was thinking "what the hell did I break?"
I tried turning the car off and back on and it was still there... so I decided to take it for a drive and see if it cleared the error and it was gone after about half a mile. I've tried restarting several times and it hasn't come back so I guess I didn't break anything.
I'm delighted with the smarttop so far. I've had SL500's (R129) since the year 2000 and I wish I had discovered the smarttop years ago.
I was a little apprehensive on the install because all the wiring insulation on my SL500s is rotting away and if you move any wires there is the chance that you will cause a short somewhere else. (I've had to replace the throttle body and main engine wiring harness on one of them and the other needs both replaced in order to pass smog so it's currently on PNO with the DMV and has been sitting idle in front of my house for 3 years.
All that being said it's not difficult if you can follow instructions. If I keep the other SL500 I will be getting a smarttop for it, and the first thing I will do to any future SLK is add the smarttop!
Thanks for all the pointers everyone!