C240 or C230 Kompressor
w203=All show no go!

I don't know about that you just have to get a good feeling for it. In the matter a fact I can shift better on my current MT C class than an automatic shifts (read - jerking between shifting gears) with approx. the same mileage.
Automatic has to be proper maintained and driven with care so I don't want to gamble on the second hand one and be the joker with a crappy AT. Most people don't drive that way and that is why problems arise.

People will always defend what they own. I'm talking durability & pleasure of ownership. The real MB values.
Last edited by acr2001; Dec 25, 2009 at 09:41 PM.
people like you keep transmission repair shops in business
Until 50k+ there is NOTHING TO DO for your auto on a W203 - and if you read the manual MB tells you not to touch it for even longer! But we all know they are stretching it.
I'm over 30k / 5 years and my transmission works PERFECTLY. And I drive it HARD.
Please explain to me what maintenance I should be doing.
I plan to change the fluid and filter at 50-60k - which is probably a bit sooner than necessary.
Our E class has 90k and is on the original fluid. Is this a good idea? NO. Have I helped keep any transmission repair shops in business? NO. Transmission in that car still works perfectly even when its 20 degrees F.
Last edited by acr2001; Dec 25, 2009 at 11:39 PM.
Until 50k+ there is NOTHING TO DO for your auto on a W203 - and if you read the manual MB tells you not to touch it for even longer! But we all know they are stretching it.
I'm over 30k / 5 years and my transmission works PERFECTLY. And I drive it HARD.
Please explain to me what maintenance I should be doing.
I plan to change the fluid and filter at 50-60k - which is probably a bit sooner than necessary.
Our E class has 90k and is on the original fluid. Is this a good idea? NO. Have I helped keep any transmission repair shops in business? NO. Transmission in that car still works perfectly even when its 20 degrees F.
you are correct, the fluid and filter should be changed every 50k. so it does require attention, this was not the interpreted message you conveyed originally.
regarding your E class, the repercussions of your actions may have shortened the service life of your transmission. for now, you have not given your local trans shop your money, but you may be singing a different tune in 10k miles....20k miles...or never, who knows? but by changing your fluid at proper intervals, you will at least reduce your chances of ending up in that position.
The Best of Mercedes & AMG
Dont knock what you dont have. The 6 MT is wonderful has very define gating and is easy to control, its not rubbery like the subaru I had or inaccurate like the volvo.
Dont know what Mercedes 6 speed yall are driving but the M272 matted one is a wonderful box of cogs.
I like the auto, I just am a control freak and you cant get the level of control out of the 7 speeds, I have driven those in loaners, very un involved way to drive whats supposed to be a "sports sedan" not a Honda oddessey
you are correct, the fluid and filter should be changed every 50k. so it does require attention, this was not the interpreted message you conveyed originally.
regarding your E class, the repercussions of your actions may have shortened the service life of your transmission. for now, you have not given your local trans shop your money, but you may be singing a different tune in 10k miles....20k miles...or never, who knows? but by changing your fluid at proper intervals, you will at least reduce your chances of ending up in that position.
The 722.9 7G in a C230.. NO THANKS! I don't care if it will last forever, its behavior is not something I could ever get used to. It worked fine in every W204 C300 loaner I had, but in the 2.5L C230 it is infuriating. Either you start off so slowly that people on foot pass you or you redline. And it won't..stop..shifting..for..a..second. I'll take rubbery and vague that I can control over utter confusion that's out of my control (and the manual mode is a joke on these cars).
Get the 6MT 2.5L C230. That's the best option. Second best would be the 6MT C230K from 2005. Third would be a 5AT 2005 C230K. And, only as a last resort, a 2.5L C230 with the 7G.

Most agree the MT is a clunker
I like the 722.6 auto. It seems a good match for my car, but I still think I'd rather have the 6MT. How bad could it be? Lots of 6MT owners enjoy it on this board.

I see that there continues to be debate about the merits of the C240 (2.6L V6) vs the C230 (the supercharged 1.8L I4) sedan. I won't debate about the older supercharged 2.3L I6 which was only available in the coupe in N. America.
The C240 was my first luxury car, and it was everything I thought a benz should be: quiet and smooth on the highway, super sense of stability at high speeds, and very comfortable for such a relatively small car. The 2.6L V6 was extremely smooth and unobtrusive in its nature. As some people have noted in this thread, this engine performs best at high revs. There is hardly any torque available in the low rpm range, which is why it is relatively slow off the line. But once rolling in its sweet spot between 3000-5000 rpm, it is NOT that slow when it comes to acceleration. I had a Powerchip ECU flash performed on my C240, and the acceleration felt MUCH stronger, especially above 3000rpm.
The powercurves for the C240 was previously posted in this thread. Here are the powercurves for the C230 K (supercharged 1.8L I4). You can see that the engine is most effective at narrow rpm range between 3000-4000 rpm, with torque falling off rapidly after that.

I hypothesized in my mind that the C240 could at least match, possibly out-accelerate, a C230 K sedan when starting from a roll at highways speeds, but I never had to opportunity to put that hypothesis to the test.
The C240 was never that "sporty", but it was never meant to be. I even took my C240 once to a track (twisty ones....not a drag strip).....tons of body roll and lots of understeer.
With a 6 speed manual transmission and non-sport suspension, Car & Driver tested the C240 in their Jan 2001 issue and got the following results:
0-60mph: 8.8 s
1/4mile: 16.7 s
300ft skidpad: 0.76 g
With regards to the manual transmission in the W203, the facelifted cars (MY 2005-2007) got a signficantly better unit with a direct rod linkage, resulting in significantly better shifter feel (and shorter throws in those with the sport package), compared to the pre-facelift W203 cars.
At 2,000 RPM the C240 musters 140ft-lb - The C230 177.
At 4,000 RPM the C240 is at 175ft-lb - The C230 is at 192.
At 4,500 RPM the C240 is at peak 177ft-lb - The C230 is at 184.
At 6,000 RPM the C240 is at 148ft-lb - The C230 is at 164.
So yes, the M271 does not have a "broad" powerband. No one argues that. However, it produces more power at any RPM than the C240. Any questions? I'm still waiting for someone to explain to me why anyone has any doubt which of the two would be faster. "It's a V6" is not an explanation. If I'm wrong, I'm happy to admit it. The numbers are hard to argue with, though.
I didn't buy my C230K as a luxury car. That's a good way to look at it for the OP. Luxury or Sport? Which do you prefer? If you're planning to keep the car for 500,000 miles you better go with the C240. Otherwise, if you want a sporty, quick little sedan that looks great and gets great gas mileage and will last you a few years - get the C230.
Last edited by LILBENZ230; Dec 27, 2009 at 02:09 AM.

I see that there continues to be debate about the merits of the C240 (2.6L V6) vs the C230 (the supercharged 1.8L I4) sedan. I won't debate about the older supercharged 2.3L I6 which was only available in the coupe in N. America.
The C240 was my first luxury car, and it was everything I thought a benz should be: quiet and smooth on the highway, super sense of stability at high speeds, and very comfortable for such a relatively small car. The 2.6L V6 was extremely smooth and unobtrusive in its nature. As some people have noted in this thread, this engine performs best at high revs. There is hardly any torque available in the low rpm range, which is why it is relatively slow off the line. But once rolling in its sweet spot between 3000-5000 rpm, it is NOT that slow when it comes to acceleration. I had a Powerchip ECU flash performed on my C240, and the acceleration felt MUCH stronger, especially above 3000rpm.
The powercurves for the C240 was previously posted in this thread. Here are the powercurves for the C230 K (supercharged 1.8L I4). You can see that the engine is most effective at narrow rpm range between 3000-4000 rpm, with torque falling off rapidly after that.

I hypothesized in my mind that the C240 could at least match, possibly out-accelerate, a C230 K sedan when starting from a roll at highways speeds, but I never had to opportunity to put that hypothesis to the test.
The C240 was never that "sporty", but it was never meant to be. I even took my C240 once to a track (twisty ones....not a drag strip).....tons of body roll and lots of understeer.
With a 6 speed manual transmission and non-sport suspension, Car & Driver tested the C240 in their Jan 2001 issue and got the following results:
0-60mph: 8.8 s
1/4mile: 16.7 s
300ft skidpad: 0.76 g
With regards to the manual transmission in the W203, the facelifted cars (MY 2005-2007) got a signficantly better unit with a direct rod linkage, resulting in significantly better shifter feel (and shorter throws in those with the sport package), compared to the pre-facelift W203 cars.
I've conceded all along that the new gear boxes are improved but still don't like to be hurried. When they are hurried this usually leads to synchromesh failure on second gear.
I don't believe it is any accident that Benz chose not to sell 4 cylinder W204's in America.




There are some additional possibilities on this thread. I think you have already addressed the less serious possibilities.




