2005 Mercedes-Benz CL65 AMG Long-Term Road Test - MPG
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2005 Mercedes-Benz CL65 AMG Long-Term Road Test

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2005 Mercedes-Benz CL65 AMG: Fuel Economy Update for November

December 4, 2014

2005 Mercedes-Benz CL65 AMG

November wasn't a very busy month for our long-term 2005 Mercedes-Benz CL65 AMG and it was mostly city miles for the big, silver Mercedes. Just 850 miles were added to the odometer over the last four weeks, and when it was all over, the CL's lifetime average mileage pretty much stayed the same.

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2005 Mercedes-Benz CL65 AMG: Fuel Economy Update for October

November 4, 2014

2005 Mercedes-Benz CL65 AMG

October wasn't a great month for our 2005 Mercedes-Benz CL65 AMG. For a while, the mighty V12 sat dormant as airport transportation. It happens to cars near the end of their life here. For the rest of the month our AMG remained caged in L.A. traffic. No road trips. Only one late-night cruise. No major mechanical malfunctions, though!

Total mileage for October: 409

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2005 Mercedes-Benz CL65 AMG: Fuel Economy Update for September

October 6, 2014

2005 Mercedes-Benz CL65 AMG

Our long-term 2005 Mercedes-Benz CL65 AMG is just a few miles short of hitting the 70K mark, thanks to a couple of recent road trips. James Riswick took the big Merc to Oregon and back in August, racking up nearly 2,000 miles. Scott Jacobs drove it from Los Angeles to Napa Valley and back, putting another 1,000-ish miles on the odometer. That brings the CL's 10-month mileage total to 12,954 miles. So what do all these highway miles equate to when the CL65 visits the pump?

Click through to find out.

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2005 Mercedes-Benz CL65 AMG: Oregon Road Trip Part 4 & August Fuel Economy Update

September 11, 2014

2005 Mercedes-Benz CL65 AMG

Read Oregon Road Trip Part 1
Read Oregon Road Trip Part 2
Read Oregon Road Trip Part 3

As I reported in Part 3 of my Oregon Road Trip story, our 2005 Mercedes-Benz CL65 AMG made it to Crater Lake and Bend, Oregon, and back to Los Angeles without incident. It once again proved to be one of the best road trip cars for two people, period, and there's nothing in our fleet I would've been happier taking. In fact, there are few cars in the history of the long term fleet I would've preferred taking.

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2005 Mercedes-Benz CL65 AMG: Fuel Economy Update for July

August 11, 2014

2005 Mercedes-Benz CL65 AMG

If you have been following along with our long-term updates, you've probably noticed a drought of new info about our 2005 Mercedes-Benz CL65 AMG. As Magrath noted a few weeks ago, several problems have kept the car out of our hands and at the dealership. We were still able to squeeze a few miles out of the coupe before it temporarily relocated to the maintenance bay at Simonson Mercedes.

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2005 Mercedes-Benz CL65 AMG: Fuel Economy Update for May

June 6, 2014

2005 Mercedes-Benz CL65 AMG

We added 850 miles to our 2005 Mercedes-Benz CL65 AMG in May. Our average fuel economy for the month was 15.9 mpg, considerably higher than the EPA combined estimate of 13 mpg. That's pretty darn good when you think of how easy it is to go fast in this car.

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2005 Mercedes-Benz CL65 AMG: Fuel Economy Update for April

May 6, 2014

2005 Mercedes-Benz CL65 AMG

Our 2005 Mercedes-Benz CL65 AMG logged 1,336 miles in April. Its average monthly fuel economy of 13.6 mpg brought the big coupe's lifetime average down to 14.0 mpg, from the previous 14.1.  

Our worst tank for the month delivered just 11.2 mpg, with a best fill of 15.9 mpg, the last partially thanks to the author's long highway commute.

The CL's best range remains unchanged at 408.7 miles.

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2005 Mercedes-Benz CL65 AMG: Fuel Economy Update for March

April 7, 2014

2005 Mercedes-Benz CL65 AMG

Even though our 2005 Mercedes-Benz CL65 AMG has been in the garage for a few months now, it's new to much of the staff. As such, we are still having fun putting the bi-turbo V12 through its paces. So much so that in March, the CL65 fell just below the EPA combined driving estimate at 12.9 mpg. The overall fuel economy also dropped, to 14.1 mpg.

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2005 Mercedes-Benz CL65 AMG: Deep Reserves

April 2, 2014

2005 Mercedes-Benz CL65 AMG

Range anxiety. I hate it. I got in our 2005 Mercedes CL65 AMG the other day and the fuel gauge, at a quick glance, looked as though it was run to empty. Ugh. As I shifted into conservative driving mode, my immediate fears proved unfounded.

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2005 Mercedes-Benz CL65 AMG: Fuel Economy Update for February

March 4, 2014

2005 Mercedes-Benz CL65 AMG

Which one of these vehicles gets better fuel economy? Just kidding.

Our average fuel economy continues to trend downward in the 2005 Mercedes-Benz CL65 AMG, dropping by a few tenths down to 14.2 mpg. That's still better than the EPA's combined estimate of 13 mpg.

This month also saw our lowest fuel economy to date, with 7.534 gallons drained in the course of 49 miles, or 6.5 mpg. That was in the course of dyno-testing our CL65 AMG, though, so cut it some slack, Jack.

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2005 Mercedes-Benz CL65 AMG: Fuel Economy Update for January

February 4, 2014

2005 Mercedes-Benz CL65 AMG

The good news this month? We're still topping EPA mileage ratings by a wide margin in our 2005 Mercedes-Benz CL65 AMG.

The bad news? Our overall average is falling.

Yes, believe it or not, our twelve-cylinder, 604-horsepower, 4,600-pound luxury coupe is not the most fuel efficient means of travel. It continues to be quite luxurious, however, and that's pretty much the name of the game when it comes to this car.

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2005 Mercedes-Benz CL65 AMG: Fuel Economy Update for December

January 6, 2014

2005 Mercedes-Benz CL65 AMG

Well, you knew this wasn't going to be the 2005 Mercedes CL65's finest hour. After about 1,700 miles in our care, our newest/oldest long-term car is averaging 15.8 mpg. That's pretty terrible, but that's also nearly 3 better than the EPA's combined estimate of 13 mpg.

Of course, most of those miles were put on during the 19.6-mpg trip back from Reno and an all-highway road trip I took to the Grand Canyon where I averaged 17.7 mpg, so expect that 15 mpg to get lower in future months as the in-city miles accumulate. Scott Oldham's tank of 9.8 mpg probably won't be rare. But that's OK. If we wanted good fuel economy, we wouldn't have purchased a giant luxury coupe with a bi-turbo V12.

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