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Mercedes-Benz C-300 2008

266 messages,  Last post on Aug 18, 2009 at 8:25 AM

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What is this discussion about? Mercedes-Benz C-Class, Coupe, Hatchback, Sedan

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#234 of 266 folding mirrors by papadoc33 Nov 22, 2008 (6:06 pm)
i have a c300 2008 the folding mirrors came with my car Replies to this message: sawyerc (Nov 25, 2008 11:07 am)
#235 of 266 fuel by lewis3 Nov 24, 2008 (8:37 am)
Have any of you tried using mid grade fuel versus the premium? We just bought the C300 for my wife and it requires premium fuel. I have an Acura that also requires the premium fuel but I have always put in mid grade and have never had a problem. I was just wondering if I could do the same with this car. Thanks. Replies to this message: papadoc33 (Nov 24, 2008 10:06 am) be325 (Nov 25, 2008 8:58 am) sawyerc (Nov 25, 2008 11:04 am) annakong (Nov 25, 2008 7:22 pm) tunisjs (Dec 25, 2008 6:38 pm) sawyerc (Dec 25, 2008 9:31 pm)
#236 of 266 Re: fuel [lewis3] by papadoc33 Nov 24, 2008 (10:06 am)
Replying to: lewis3 (Nov 24, 2008 8:37 am) I have used mid grade fuel with my c300 2008 since the gas went off the wall..i did not find any problem andavg 23-25 mpg. now that hi test is down i use hi test every other fill up i also have a lexus suv 350 and use only regular..no problems
#237 of 266 Re: fuel [lewis3] by be325 Nov 25, 2008 (8:58 am)
Replying to: lewis3 (Nov 24, 2008 8:37 am) We used regular .... yes ..regular for 4 years in our E and for almost a year (since 12/22/2007) ...regular in our 2008 C-300 Lux. No problems of any kind. When we went some years ago (from Florida) to North Carolina, we experimented first with regular (and when the tank was almost empty), we put midgrade. Then we filled up with premium. We didn't notice any difference. Again....WE didn't notice any difference but perhaps an expert driver would. We are old folks and never drive faster than the speed limit. Perhaps climbing a steep hill would make a difference. We climbed those too and didn't notice any difference..... it is true, we don't hear as good as we used to. Our service people never asked us about the gas we use so we think that their 'smart analyzer' at the service department could not tell the difference and the plugs and all the stuff works. .....by the way, our E was flawless for more than 4 years and the C had no mechanical problems ... except little comfort annoyances that have nothing to do with the operation of the engine.     From time to time, people post this question in the forum and there are many people for and against .... and they have their own reasons. Mercedes exports cars all over the world. I wonder if all these foreign driver have access to premium or midgrade gas. Replies to this message: sawyerc (Nov 25, 2008 11:04 am)
#238 of 266 Re: fuel [be325] by sawyerc Nov 25, 2008 (11:04 am)
Replying to: be325 (Nov 25, 2008 8:58 am) I have a C300 for a about 6 months. I have used all three grades and have noticed very little difference. When I do the math on the $$/mile it cost me, the more expensive the gas gets, ($3.50+ / gal) the more premium is worth the extra cost. But with gas prices down to $1.49 in Indianapolis, I am going with regular. The miles per gallon difference in my C300 is not significant enough to pay for premium. The manufacture "recommends" premium. I had a heart to heart talk with an old timer who buys gas for Sam's Club and he told me that most of the dealers in my area get their gas from the same location. He stated that Shell, BP, and Sam's gas were the same delivered to the pumps. Not sure what to believe about this, but I did fill up on Sam's Premium and found no difference. Regardless of the car, (unless it is high performance) it should have a robust fuel system to handle about anything sold today.
#239 of 266 Re: folding mirrors [papadoc33] by sawyerc Nov 25, 2008 (11:07 am)
Replying to: papadoc33 (Nov 22, 2008 6:06 pm) I have a C300 and as the weather gets colder my mirrors are getting "cranky" like me and making the same noise you are describing... I'm wondering what will happen when it really starts to get cold. I planned on talking to the dealer about it on my next visit considering it sounds so bad like it is going to break.
#240 of 266 Re: C300 instrument cluster- temp. gauge noise [avatar1] by annakong Nov 25, 2008 (7:09 pm)
Replying to: avatar1 (Sep 26, 2008 6:58 am) after multiple times of taking it the dealer, I decided to go to another dealership and they fixed the problem right away. something was wrong with my auxillary hose.
#241 of 266 Re: fuel [lewis3] by annakong Nov 25, 2008 (7:22 pm)
Replying to: lewis3 (Nov 24, 2008 8:37 am) I have been advised to not do it. I don't plan on keeping the car forever so I don't want the person who gets it after me to not have any problems that could arise due to this. I'd rather be proactive and use premium than pay for any expensive repair because I was too cheap to pay an extra 50 cents or so for gas.   I have told nothing major will happen if you do not drive your car hard. The car is made somewhat fool proof. I don't know if this could affect your warranty if you still have it.   If you do, it will automatically turn the timing on the engine down. You won't get full power.   I wouldn't advise it. If you paid that much for a Mercedes, you might as well take the best care for it.   Random things happen to me, especially with technology things so I won't take a chance on my new baby.
#242 of 266 Re: Mercedes C300 DVD Safely While Driving.... [carabel] by georgiaguy1 Dec 08, 2008 (8:37 am)
Replying to: carabel (Apr 02, 2008 7:34 pm) sarah17   Were you ever able to circumvent the C300's DVD system?. Just purchased a 2009 C350 and would like to do the same. Any advice would be appreciated.
#243 of 266 Re: fuel [lewis3] by tunisjs Dec 25, 2008 (6:38 pm)
Replying to: lewis3 (Nov 24, 2008 8:37 am) In reviewing the owner's manual for my 2006 C280 I found that it requires 91 octane gas. Most U.S. premium fuel is 93 octane, therefore I time my refills to use about 1/3 regular (87 octane) and 2/3 premium (93 octane) gas to stay above 91 octane per tank. I get 19 mpg city and 33 mpg highway at no more than 5mph over the speed limit. This car is a dream on wheels. Replies to this message: sawyerc (Dec 25, 2008 9:31 pm)

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