Last post on Nov 10, 2009 at 6:48 PM
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Mercedes-Benz C-Class, Car Safety, Sedan
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#5929 of 7297 mugen000
Sep 16, 2002 (8:50 pm)
The update of the engine in the 2003 model C 230 K Sportcoupé consists of fitting a 1798 cc engine in place of the former 2295 cc engine.
The 1798 cc engine is all aluminum, has counter-rotating shafts to smooth it out and gets better fuel economy (6%) than the outgoing model.
It is also less powerful, and (more importantly) less torquey.
The 1.8 is listed at 189 HP and the 2.3 has 192.
The 2.3 engine developed its maximum torque of 280 Nm between 2000 and 4500 rpm.
The 1.8 engine develops its maximum torque of 260 Nm between 3500 and 4000 rpm.
So where the 2.3 (which I have) pulls like a train at 2000 rpm in any gear, the newer one will have to be revved harder and shifted more often to make similar progress.
In absolute terms the speed of the new 1.8 model is only slightly down - it does 0-100 km/h in 8.1 seconds versus 8.0 for the 2.3 L engine. But the way the old engine does this is effortless due to its massively wide torque spread, whereas you'll have to work the new engine a lot harder.
The specific power of the new M271 engine is well over 100 HP/L and the old one is in the mid 80s. Thus I think there's more "room" to reliably modify the 2.3 for more power if that's your bag. Many long-time Mercedes-Benz mechanics think the old M111 engine is the best one they made in recent times.
Finally, the new engine is in its first months of production and I would not be surprised to see it suffer from a number of "teething problems". If you want to read more about this engine, go to MBSpy and look under M271 engine series - there's a long press release on it.
Overall, if this sounds like a vote for the 2.3 L 2002, so be it.
#5930 of 7297 correction of above post
Sep 16, 2002 (10:04 pm)
I got the torque range for the 2002 C 230 K wrong - the maximum torque figure is developed between 2500 and 4800 rpm, not 2000 and 4500 rpm, as I wrote above. Sorry about that.
Sep 17, 2002 (5:23 am)
I've rejoined the MB family, with my 14th in the past 35 years. The pricing on the '02 Cs was too good to pass up, so we bought an '02 C240 from the dealer in Sacramento CA, with the deal as follows:
MSRP with Automatic, Met Pnt, and C2: $34,525
Price Paid: $30,025 [$4500 off] plus taxes.
I feel like we got a good deal, and they still made a couple of hundred bucks on it after holdback. This car was among at least 10 others, and had been around in stock for a long time, so there was absolutely no trouble in striking the deal.
We needed a comfortable, safe touring car, not a sports sedan. That said, a really basic BMW 325 was an alternative, as well as a base G35, but the combination of ride and silence at speed, not to mention my long relationship with the brand, cinched the deal.
Incidentally, my research indicated that '03s were already available in SoCal for $600 over invoice with no hassles, and probably less if you wanted to dicker, but we plan on keeping the car long enough that the extra discount on the '02 means more. I do like the new Pewter color for '03, though - ours is Bordeaux red, which is gorgeous to look at but high-mtc to keep up to my standards.
So, back in the MB saddle again...
#5932 of 7297 purchase of 02 C240
Sep 17, 2002 (10:32 am)
Given what's available for $30k, you chose very wisely. Suggestion: I have my cars fully detailed once a year (typically in early June at the end of our "rainy season" here in Seattle). Makes routine upkeep of difficult, darker colors much easier; and cleaning engine makes it run cooler.
BTW, in discussing my engine temp with local mechanics, I've found that MB engines generally run warmer than others. Keeping them clean helps lower it a wee bit.
#5933 of 7297 Gear Selector Vibration
Sep 17, 2002 (2:37 pm)
At highway speeds I get a significant amount of vibration through the automatic gear shifter (such that it is uncomfortable to rest my hand on - the vibration is not visible). This just started recently (about 4 months after my purchase). Does anyone else notice this? I am trying to determine if this is normal movement.
Sep 17, 2002 (5:22 pm)
Congrads. Sounds like you got a tremendious bargain. Let us know how you like it. I understand completely the phrase back in the saddle again when it comes to Benz's
#5936 of 7297 cira's vibrator
Sep 17, 2002 (6:05 pm)
I would take a guess that your car's engine mounts may be faulty and are therefore allowing additional vibration to penetrate the interior. This is a known problem - with a service bulletin - ask about it at the MB dealer and they'll probably change the engine mounts for you. That should solve the problem.
#5937 of 7297 '03 Sport Package
Sep 19, 2002 (10:09 am)
While Tooling around on MBUSA's latest iteration of their website, I noticed that there was no Sport Package option to choose on either the C240 or C320 Sedans. Is there no more Sport Package available? I think the 5 spoke wheels coupled with the lower suspension make the C-Class look more aggressive.
Sep 19, 2002 (2:39 pm)
I've said this before, and now again in response to nyccarguy's post: unlike the BMW Sport package, which makes a significant difference, I do not think the Sport adds much if anything to the C ride. I'm not sure I even like its look, and would prefer to spend my money on AMG wheels. For this reason, I think it wise for MB to end it as an unnecessary concession to keep up with the Bimmers.