engine mods. for a 300e
im just tryin to find out what kind of engine mods. i can (theoretically) get done to a 300e (one from 87- 93)
now my friend has a '92 300ce and he put some kind of chip in it to give it more HP i guess. what i wanna know, is can i do that, is there a supercharger or turbo that i can put on it, if so what would the specs be? all im tryin to find out are my options. my buddy said something about being able to slap a slk supercharger onto a 300e, is that so?
any info or help or links would be appreciated. thanx
As for the Super or Turbo, they will be big money, be prepared to spend 5-10K to get it to work properly and be relatively safe for your engine.
Sorry to hijack...back on topic, i struggled with the lack of power in my 300E as well and came to grips that for the same amount of money it will take to make it fast, I can buy a 500E.
any suggestions to what i could/should/can do to it performance wise?
Last edited by FlyingGuy; Aug 26, 2003 at 02:23 AM.




The M103 (specifically 103.983) motor in all 300E's from 1986-1993 is essentially the same with little modifications made from year to year. It makes about 177HP, has a 9:1 compression ratio and is VERY difficult to tune outside of its normal operating range.
Your buddy's car is a CE, so it has the M104 engine which is entirely different in its engine management approach. Adding/changing a chip on this engine could result in some gain in HP.
For the M103, as stated, there is nothing that will add appreciable HP without a bucket of cash (5-10k). So most of us either enjoy them for what they are, or take the 10k and the 300E and buy something faster, like a 400E or 500E. I lust after the 500E myself, after having a 500SL (129), I think of how awesome it must be to have a 124 with 325 stock ponies scrubbing rubber off my rims.
-D
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300CE:
1988-1989 US 124.050 had the M103.983 motor (12V, SOHC, 177hp)
1990-1992 US 124.051 had the M104.980 motor (3.0L, 24V, DOHC, 225hp)
1993-1995 US 124.052 had the M104.992 motor (3.2L, 24V, DOHC, 217hp)
-D







