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-   -   M104 engine? (http://www.peachparts.com/shopforum/mercedes-benz-performance-paddock/46411-m104-engine.html)

momentum 09-17-2002 08:57 PM

M104 engine?
 
I know this engine is used in the 95 e320 and 96 e320. How come the 96 e320 is a lot quicker than the 95 version if they are based on the same engine? Do they have diffrent hp and torque ratings?

suginami 09-17-2002 10:01 PM

Hmmmm....

Are you sure the '96 model is faster than the '93-95 W124's?

The '93-'95's are 80 lbs. lighter than the '96.

They all share the same engine, transmission, and fuel injection system.

I've been dying to find a website that posts actual test figures with 0-60 times.

Where do you get your information.

momentum 09-17-2002 11:22 PM

try this link.http://web.missouri.edu/~apcb20/times.html#Mercedes Can you believe a 96 e320 is just as fast as a 400 e with a v-8

Holson Adi 09-18-2002 09:28 AM

Well it's a sleeker car... I don't know how much that helps in 0-60 but it would help at high speeds.

The W210 from '97 also comes with a 5-speed Auto box.

suginami 09-18-2002 10:56 AM

Yeah, it's amazing that a 1996 E320 has the same 0-60 time as a 1995 (W124) E420, although the E420 beats it in the 1/4 mile by a 1/10 of a second.

However, the comparison of a W210 E320 to a W124 93-95 300E 3.2 / E320 sedan isn't made. They list the performance of the '95 E320 convertible, which is 465 lbs heavier than the sedan, a 13% weight increase, which is considerable.

I'm willing to bet the 0-60 times of the sedans would be nearly the same.

Case in point - the performance of the '87 300E is listed at 0-60 mph in 7.5 seconds. The 93-95 E320's have more weight than the early W124's, but considerably more horsepower, and are thus the fastest of the 6-cylinder W124's.

It appears the fastest 300Es would be the 86-88 models. In 89, the gearing for 2nd gear was raised and 1st consequently lowered. Up until 90, all these cars (with exception of the wagon) used a 3.07 rear axle. In 90, the axle was switched to something around 2.89. 90 was the slowest year because it still had 2nd gear start. 91-92 got 1st gear start, making them a lot faster off the line than the 90, but the 86-88 could still smoke them pretty much. 93-95 got the M104 engines and a 2.64 (I think) axle in rear with 1st gear start. These years were the fastest.

In order of performance, the ranking would look like this (from fastest to slowest).

93-95 M104 3.2L - 300E 3.2 and E320
93 M104 2.8L - 300E 2.8 (and 94-95 E280 in Europe)
86-88 M103 3.0L - 300E
89 M103 3.0L - 300E
91-92 M103 3.0L - 300E
90 M103 3.0L - 300E

Last having a better drag coefficient would certainly help performance, but it shouldn't be no more than a few 1/10.

I will buy it the the '97's would be even faster because of the 5 speed transmission.


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