Operating Temperature - 2012 Mercedes-Benz SLS AMG Roadster Long-Term Road Test

2012 Mercedes-Benz SLS AMG Roadster Long-Term Road Test

2013 Mercedes-Benz SLS AMG Roadster: Operating Temperature

January 25, 2013

2013 Mercedes-Benz SLS AMG Roadster

This is neat. The instrument cluster in our long-term 2013 Mercedes-Benz SLS AMG Roadster has a readout that displays gearbox, engine oil and coolant temperatures. That's nothing unusual, but this is: when any one of those temperatures is below normal operating conditions, the digits flash. Independently. It's a simple way to remind you that, hey, dummy, it's still too soon to start beating on the car.

In the photo above, neither the engine oil temp nor the gearbox temp is up to operating temperature (I caught them mid-flash). This was the result after a gentle three-mile drive (starting stone cold) at city speeds (lots of stop and go) on a dry day in the mid/high 70 degrees F.

I know what you're going to ask. At what temperatures did they stop flashing / reach normal operating temperature? For engine oil it was 175 degrees F. Gearbox was 140 degrees F.

Jason Kavanagh, Engineering Editor


  • quadricycle quadricycle Posts:

    That's neat. I'm a big fan of letting the cars I've had warm up a little before heading out if its a little chilly. I've got it in my head that it helps with the reliability of some of its components.

  • boff_ boff_ Posts:

    Good info, but a lame display. You can get a nicer one in a Focus.

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