Off and on I have been tracking the fuel consumption and milage on the CLK430. Almost all of thise is commute driving.
1999 Mercedes-Benz CLK430
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Date | Gallons | Odometer Start | Total Miles | Mileage |
8-Dec-2009 | 13.9 | 118132 | 333 | 23.9 MPG |
12-Dec-2009 | 14.9 | 118494 | 362 | 24.3 MPG (best to date) |
2-Feb-2010 | 15.0 | 119469 | 347 | 23.1 MPG |
18-Feb-2010 | 12.8 | 119850 | 291 | 22.7 MPG (worst to date) |
22-Feb-2010 | 13.6 | 120180 | 319 | 23.45 MPG |
I plan to keep track of this, as often as I remember to note it, that is. It looks like my mileage has dropped a measurable amount in the last few months. Some of it could be fuel mixes for winter, but I suspect the car needs a tuneup, since It’s been well over a year since I even checked plugs. I believe they are the originals!
There are 16 multi-tip Platinum plugs in the motor (2 per cylinder) and they cost about $10 each. I’m not really clamoring to spend $160 on plugs plus the labor (I can’t get to 12 of them easily) to have them done. But.. it seems like I should do it now before I start to have mechanical problems.