C-Class (W204) 2008 - 2014: C180K, C200K, C230, C280, C300, C350, C200CDI, C220CDI, C320CDI

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Old 08-07-2007, 08:54 AM
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C70/C350
Novice question

Do you expect a "chip" will be available to increase HP on the 300/350?

anything "bad" about the awd model 300? will this make a difference in attempting to increase hp on an awd 300?

only reason i can see to get a 300 is awd

228 hp seems far to low

thanks in advance
Old 08-07-2007, 09:12 AM
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I also think that 228 hp is very low. I am also curious about the chip, however, let's assume that it can be added, does anyone know if it will be expensive to take it out (I plan to lease the 300 4 matic when it comes out). 4matic will be even slower because of its weight - 228hp on 4matic is a joke compared to 335xi.

Also, does anyone know what is the current money factor MB is charging right now? Also, anyone heared what the residual value will be for the 300?
Old 08-07-2007, 09:52 AM
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C70/C350
good questions Natalie!

I expect that by this time next year C300s will be in the low $30Ks mark if they follow suit with how MB's depreciate in the first year, with under 25K miles

I too like the 335 but 2 turbos are slightly disconcerting to me. Just seems like potential for a heck of a lot of issues, but if it is a lease you are after then no biggy.

BMW's service program makes a compelling arguement as well

The 300/350 is as perfect a car as I could ask for, except the weak engine.

Have there been any issues that anyone is aware of with 4matic system? Would be very nice to have if I decide to move to a location that requires it or in a heavy rain

For rwd, I just can't see buying a C350 for 45K when you can have the C55 for 35K or less with low miles - although the 350 is far nicer imo, with the exception of the engine of course

I don't know maybe some of the experts here can add some insight

I know my dealer is going to chrage top dollar for everything, so I don't think I will even buy there
Old 08-07-2007, 11:09 AM
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How times have changed. In 1996, the base C-Class - the C220 - came with 148 horsepower. I drove the C300 Sports Sedan last weekend and felt the power was more than adequate, and it didn't feel sluggish or slow by any means. In fact, I never even thought of power - I was impressed with the ride, the smoothness, the interior and the overall feel of the car. I found myself going faster than I thought, but that could be due to the step up in power from the 2.2L four in the C220. That said, while I understand the desire for more power, how much power is really necessary? I don't need to play the numbers game with anyone, but that's just me.
Old 08-07-2007, 11:37 AM
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C70/C350
that is a very fair question!

How much power is expected for a 2008 39-45K$ vehicle C-class MB?

I think we have to look at the competition.

A vehicle this size, for this price, I would think anything over 270hp would be expected

Ideally, the 300 should be at 268bhp and the 350 at 300bhp



Volvo's S60 R comes with awd, a 6spd man. and 300bhp to compare an AWD to the 4matic 300

is the S60R a fair comparison? not sure because it has a turbo as does the 335 if I am not mistaken, has 2 turbos

the S60 R has been out since 2004 though and had 300bhp then at a negotiable low 40s$ sticker price
Old 08-07-2007, 01:03 PM
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Without forced induction, a chip is going to give meaningless gains on an NA motor. You may gain +10hp, at most, at the top end but probably loose that 10hp in the midrange.

In other words, chips on NA motors are rarely worthwhile.

Rewriting the automatic transmission shift schedule may actually get you more real world performance, but at the expense of always keeping the engine's revs up, meaning using even more fuel consumption.

As for competition, S60R: forced induction; 335: forced induction; is350: NA; Infiniti G: NA ... that's the real competition motor-wise. How come Toyota and Infiniti can get 300+hp out of run-of-the-mill 3.5l V6s and Merc can't (or won't)?

335 is already proven to be "chip-able" beyond ~350hp at the wheels. I'm sure the S60R is the same. It's easy enough on forced induction, just program the ECU to hold boost pressure, the hard part is tuning the air and fuel to make the car drivable.

With NA motors that kind of increase is unobtainable.
Old 08-07-2007, 01:48 PM
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'05 A4 1.8TQM6
Originally Posted by oblu
Without forced induction, a chip is going to give meaningless gains on an NA motor. You may gain +10hp, at most, at the top end but probably loose that 10hp in the midrange.

In other words, chips on NA motors are rarely worthwhile.

Rewriting the automatic transmission shift schedule may actually get you more real world performance, but at the expense of always keeping the engine's revs up, meaning using even more fuel consumption.

As for competition, S60R: forced induction; 335: forced induction; is350: NA; Infiniti G: NA ... that's the real competition motor-wise. How come Toyota and Infiniti can get 300+hp out of run-of-the-mill 3.5l V6s and Merc can't (or won't)?

335 is already proven to be "chip-able" beyond ~350hp at the wheels. I'm sure the S60R is the same. It's easy enough on forced induction, just program the ECU to hold boost pressure, the hard part is tuning the air and fuel to make the car drivable.

With NA motors that kind of increase is unobtainable.
Exactly. Without forced induction, a chip or ECU flash on a NA motor will gain maybe 10hp/10-15tq at most. Boost is where it's at for chip gains.

Motors from BMW, Volvo, VW, Audi, anything with a turbo, dial in most boost for a nice gain.

A nice example of nice gains on a smaller motor, the 2.0T. Stock is 200hp/207tq (though baseline dynos have shown the engine putting out 218hp stock). Add a chip, 247hp/293tq.
Old 08-07-2007, 02:13 PM
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C70/C350
would you mind explaining forced induction?

thank you for the responses!

my dealer today said teh 350 4matic should be out next year ........
Old 08-07-2007, 02:18 PM
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'05 A4 1.8TQM6
Forced induction is what the name suggests. Using a turbocharger or supercharger, it forces compressed air into the engine than what it would normally draw in. The higher RPMs you're at, the more air it forces into the engine. That's the basics of it.

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