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  #1  
Old 09-08-2016, 03:19 PM
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W203 6-swap into w124

6-speed***

I found the transmission from a c320, haven't bought it yet but will be picking it up along with the pedal assembly and slave cylinder etc next week at some point if it's still available.

From what I've read so far it has direct bolt on compatibility to the M104.

Has anyone done this before?
Is there anything else I will need?
Will the drive shaft line up?
Will I need to change computers?

Any tips and advice will be greatly appreciated.

I have a 94 wagon but might be trading it for a 91 coupe. The m103 has the same bell housing pattern right?
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  #2  
Old 09-08-2016, 05:31 PM
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I'm pretty sure the C320 is a V6, if so the BH isn't the same. The 4 cyl 95 - 00 C220 C230 and SLK230 are the same though I'm pretty sure they stood the motor up at some point post 01 so the shifter would be in a odd place.

The M104 ( 24 valve head ) is the same basic block as the M103 ( 12 valve head )
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  #3  
Old 09-08-2016, 07:57 PM
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Oh my mistake. It is actually a c230 with the 1.8 kompressor but it's a 2005.
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  #4  
Old 09-08-2016, 08:42 PM
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The best thing to do is look on e bay for engines / transmissions. If they post an actual pic you can compare BH shapes.
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  #5  
Old 09-08-2016, 10:45 PM
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Quote:
Originally Posted by 244brick View Post
Oh my mistake. It is actually a c230 with the 1.8 kompressor but it's a 2005.
This will also not fit as the engine was rotated to sit vertical. The Trans must come from an M111 car for it to fit.
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  #6  
Old 09-09-2016, 10:30 AM
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Oh so the shifter would be cockeyed if mounted to the m104?
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  #7  
Old 09-09-2016, 03:22 PM
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2002 Mercedes kompressor C230

Would that one work?
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  #8  
Old 09-09-2016, 05:41 PM
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That is the leaned over to the right engine, same tilt as a M103 / M104.

Have a look at the leading edge of the valve cover, the top of the cover is horizontal but where the gasket seals is tilted. ( tall passenger side , short driver side )
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  #9  
Old 09-09-2016, 08:24 PM
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So it will work?
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  #10  
Old 09-10-2016, 02:40 AM
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Yes
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  #11  
Old 09-10-2016, 11:31 AM
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Sweet thanks
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  #12  
Old 09-26-2016, 08:58 AM
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Got no response from that listing. Anyone do bell housing adapters to run a getrag or a T5?
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  #13  
Old 09-26-2016, 10:03 PM
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unfortunately not.
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  #14  
Old 09-27-2016, 10:13 PM
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One thing I haven't seen addressed yet is the speedometer. All of the 6 cyl 124 cars have a cable driven speedo which the later manual trans do not accommodate. The V8 124 cars have an electronic speedo that swaps into the cluster but you still need a way to drive it. Having a later model manual trans and a functional speedo is going to get tricky unless you are handy with electronics, microcontrollers, ect. There may be a solution in the aftermarket but I'm not aware if one exists. In my 722.6 swap the PCS TCU handled the speedo VSS signal with little fuss.
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90 300TE 4-M

Turbo 103, T3/T04E 50 trim
T04B cover .60 AR
Stage 3 turbine .63 AR
A2W I/C, 40 LB/HR
MS2E, 60-2 Direct Coil Control
3" Exh, AEM W/B O2
Underdrive Alt. and P/S Pulleys,
Vented Rear Discs, .034 Booster.
3.07 diffs, 1st Gear Start

90 300CE 104.980
Milled & ported head, 10.3:1 compression
197 intake cam w/20 advancer
4 ignition advance
PCS TCM2000 running 722.6 trans, 600W PWM fan, water injection
Sportline sway bars
V8 rear subframe, Quaife ATB 3.06 diff
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