During March, I've had two business trips where I've flown out of Washington Dulles airport. It's a 150-mile round trip each time I go to Dulles and come back home.
Went to fill up the E500's gas tank today, and I noticed when I got home that the odometer hadn't changed from where I had recorded it at the gas station to update the fuel-up into the Fuelly app.
So, finally after 150,800 miles, it seems that the odometer gears have given up the ghost, around 150 miles ago by my calculations per the last fuel-up in late February. So, my next job will be to replace the bad odo gear(s). Fortunately I bought a couple of sets from Garagistic about 10-11 years ago, and conveniently had them in my garage tool chest, sitting in one of several drawers containing my collection of MB special tools.
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I also need to replace the headlight switch, of which I've had a brand new one for the past couple of years, but haven't bothered to do the job.
Also noticed that my front struts are now totally shot (they are originals as far as I know), so I will replace them too. Front suspension is REALLY rough when taking bumps (speed bumps, frost heaves in the road, and so forth). I have new factory MB 500E struts (with the internal limiting springs) in my parts stash, as well as new MB buffers and boots. I will also do the upper strut mounts, though the current ones don't have any cracks.
So, some maintenance is coming my way soon.
Coincidentally, I noticed that my E500's instrument cluster has a Stage 0 case of DDD on the inside. It's BARELY visible and not nearly at the point of needing remediation, but I will watch it, and when it hits stage 1+ or 2-, I will have to pull the cluster and take care of this. I won't let it get to Stage 3 or 4 (terminal DDD).