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Sedans Mercedes-Benz C-Class Mercedes-Benz C-300 2008
266 messages, Last post on Aug 18, 2009 at 8:25 AM
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Sorry, didn't know how to paste the link. It states, among other things, that most experts agree that regular or mid-grade is OK in luxury cars. .......The number of new vehicle models that either require higher octane fuel or run better on it has risen steadily to 282 this year, from 166 in the 2002 model year, said Robyn Echard, a spokeswoman for Kelley Blue Book, an auto pricing guide........from the article. One wonders why? Very interesting how passionately others feel about the issue of Regular vs. Premium. Please keep sharing and explaining why regular is OK. |
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The point is, the manufacturer says that premium fuel is required - not optional. OK? Most Toyotas [ and Lexus ] that make more power with premium come with the statement from Toyota that LOWER OCTANE IS OK, as long as you don't care about the extra hp. BMW and Mercedes and Honda [ some Acuras ] are crystal clear about what they have designed the engine to use - for them, premium fuel is not about power or economy, but the long-term health of the engine. I've owned 50+ cars since 1962, and always follow the car maker's requirements for fuel. Most have used regular happily, but I have never compromised when the owner's manual is explicit and uncompromising. As always, do what you feel is best - but this is not a case of some "conspiracy" to make you spend more money than you should. From my perspective, if this is a deal breaker, focus on a make that is designed to use regular - there are certainly plenty of them out there.
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Replying to: jrct9454 (Jun 18, 2008 1:50 pm) Absolutely true, but you're overlooking something that's very, very (very) important in this segment (and many others): People can see if you're driving a, let's say, "less expensive" car. They can't tell if you're cutting corners in order to afford the fuel for it. Appearances are what count. Otherwise the car leasing business would be a fraction of the size it is -- only makes financial sense if you can write it off for business. There used to be a town in the White Mountains of Arizona called McNary. It was a lumber mill town built by Southwest Forest Industries, and there were more Cadillacs in front of shacks in that little settlement than I'd ever seen before or ever have since, not that I've looked too hard lately. I don't need to -- I spend time on these boards. Some things never change. |
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Appearances are what count? If you say so..... |
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Wouldn't be nice if one of those engineers from Lexus, MB or Acura shared her/his expertise .....for those of us who get most of our mechanical wisdom at Panera Bread Coffee Shop ... or those who are 'told' by their mechanic - who in turn heard about regular vs. premium issue - in his lunch room ........ People who spent time in the lab testing the differences would do us a big service. Maybe then we would know something 'for sure'? Let's remember, this is a discussion and let's not make fun of others who may have a different view. |
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For all the experts saying Regular will ruin your car, consider this. I bought my C280 4Matic via the European delivery program. In the EU, I was allowed to fill up with Regular gas. Yes, all MBs are allowed to run on 87 in the EU. I had to sign a paper that said that I understood that when the car was sent to the USA, the timing would be adjusted so that it would require Premium gasoline, and that I promised to comply. Seriously. I have still have my copy of the form. Why, one might ask, does a Mercedes in the EU run on Regular and that same car, when transported to the USA, get retimed for Premium? Emissions standards. The MBs don't meet the standard correctly with Regular. It's not carbon build up, or anything like that. Modern engine computers are designed to constantly adjust the fuel mixture to get proper combustion. The timing may not be ideal, but that's not going to hurt a modern car. You won't have lots of carbon build up on your valves. But you won't meet emissions standards either, and if MB didn't require that you used Premium, they couldn't sell their cars here. I have been using premium for the first 3 years of ownership (except the 1000 miles in the EU I drove, where it was Regular), but that is when it was only 19-20 cents more. Now that gas stations have gouged the price up to 40+ cents, I'm going to try it on the next two fill ups. Then try "Plus" for a couple, and see if I can tell the difference. But I know I won't damage the car. |
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Has anyone lost the plastic black door-knob (push/pull in emergency) in the process of locking the car! We have the auto locking programed in. The other day we had a small child in the back seat who couldn't wait until the car stopped and the driver unlocked the doors. Well, the child pulled up the knob to unlock the her door and the knob came off. The knob cannot be reinstalled securely and pops up every time the car is locked (the knob does not go deep enough). No big deal, we drive without it as we rarely have passengers. Normally, the door knob would bring the rod up and unlock the car... or be pushed in to lock. Has anyone had this problem? Thanks
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I am not getting any answer from the dealer (everyone very busy helping other customers) so I want put this question to the forum: How do you program locking/unlocking features in 2008 C-300 so that the passenger can open/unlock her door after the car came to a stop and the driver didn't unlock the doors yet (the doors locked automatically after reaching 9 mph)? Unless you pull the door knob up you can't open the door using simply the door handle. ....... One culd do away with auto locking. Thanks. |
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Replying to: be325 (Jun 16, 2008 8:15 am) |
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