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  #1  
Old 10-25-2008, 12:56 AM
Turbo E320's Avatar
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M110 to M103 swap?

Got a friend with a 280sl euro spec he has had forever. Its got 150K miles but the body is excellent. Its some special edition with way better looking wheels and a 5spd manual.

My question is will that transmission bolt up to a m103? I think the car would turn into a missle with a efi converted and tuned m103 without ruining the tranny if it fits.
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Last edited by Turbo E320; 11-07-2008 at 11:22 AM.
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  #2  
Old 10-25-2008, 01:20 AM
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M110-m103

i owned a 107 chassis that originally had a M110, it had been converted to a M103, all seemed original, it appeared that it bolted right up, but i honestly cannot say for certain
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  #3  
Old 11-21-2008, 12:19 AM
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Your friend will need the complete FI system and the ignition amplifier for the M103 to run properly.
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  #4  
Old 11-21-2008, 10:03 AM
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Quote:
Originally Posted by Turbo E320 View Post
My question is will that transmission bolt up to a m103? I think the car would turn into a missle with a efi converted and tuned m103 without ruining the tranny if it fits.
Starters are on the opposite side of the bellhousing between those motors. He will need the correct m103 gearbox.
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  #5  
Old 11-21-2008, 12:12 PM
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guess ill have to soruce a 16v 5 pseed.
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1997 Mercedes E320 Turbo
Garrett T3/60-1 Turbocharger
Custom Water Intercooler Setup
352rwhp/366rwtq @ 8.6psi in '08

http://img78.imageshack.us/img78/1051/log7smallay9.jpghttp://img66.imageshack.us/img66/740...s3smallox0.jpg
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  #6  
Old 11-24-2008, 01:06 PM
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Quote:
Originally Posted by Turbo E320 View Post
guess ill have to soruce a 16v 5 pseed.
If you're going to the trouble of swapping in an M103, why not use an M104 instead? Same engine mounts and same bell housing bolt pattern.
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Old 11-24-2008, 02:09 PM
Turbo E320's Avatar
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He wants as little electronic work as possible. The first step is to swap in a stock m103 and later convert for the efi. The m104 conversion woud take longer due to several electronic differences. The m103 seems to be a direct swap sans the transmission hurdle.
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1997 Mercedes E320 Turbo
Garrett T3/60-1 Turbocharger
Custom Water Intercooler Setup
352rwhp/366rwtq @ 8.6psi in '08

http://img78.imageshack.us/img78/1051/log7smallay9.jpghttp://img66.imageshack.us/img66/740...s3smallox0.jpg
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  #8  
Old 11-24-2008, 02:27 PM
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Early M104 is CIS-E so the electronics wouldn't be much different then a M103.
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  #9  
Old 11-24-2008, 02:46 PM
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The m103 and m104 cis-e is different than the m110. It would actually be harder to get them to work. The harness is a mess. You would also need the ezl. The hfm m104 from a early w124 is perfect. no throttle control and no traction control. You need the factory control unit and wiring harness out of a car and power and ground and vehicle speed signal for proper idle control and fuel shut off.
Should be fun though.
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  #10  
Old 11-24-2008, 06:10 PM
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Quote:
Originally Posted by Glen View Post
Early M104 is CIS-E so the electronics wouldn't be much different then a M103.
early M104 no no no...mercedes misstake engine...
Thats why they stoped producing them after 2 years...

I have seen a lot of them in my workshop and I dont wanna see them again

M103 is much better engine and one of the best engines mercedes ever builded
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