Engine Swap question
I was wondering if this engine would fit into my 92 190e 2.6. Also how difficult would the swap be?
http://www.ebay.com/itm/Mercedes-300...tZXRqK&vxp=mtr
Thanks!
A M103, 3.0 is a direct fit into a W201 Chassis.
My son and I did exactly the same swap into a 1989 W201 2.6.
I haven't got a photo handy at the moment however we later swapped a W202
M104 C36 Engine into the same Chassis (see attached photos) with no fitting
problems.
The only difference in the fittment was the need to remove the oil breather crossover pipe for hood clearance.
We also made up our own ITB set up which really turned that engine into a monster!
As you know, the W201 2.6 has the removable top radiator support which once removed gives you easy access to the engine bay.
If you decide to do the 2.6/3.0 swap you will notice a difference in power and consider also adding the ITB's which will give you a lot of extra go.
At the moment we are just starting our next W201 2.6 Engine swap conversion.
We are swapping the 2.6 for a W203, M112k Engine and Transmission from a C32 AMG (see attached photos).
The car will be an EVO 1 clone when complete with a little extra punch from the M112k Engine and Transmission complete with combined Touch Shift and Paddle Shift.
The Diff is being swapped for a Wavetrac LSD and the Tailshaft will be from a C32.
TA Coilover suspension has been ordered and the Brake Calipers are from a W163 ML500 with 340mm two piece disks.
The Wheels are original brand new "Old Stock" EVO 2's, 17 X 8.25 and the EVO 1 Carbon Fiber Body Kit, which arrived a few hours ago, was made by Hedehog Tuning and Motorsport. You can see the body kit at hedgehog-tuning.com website.
Apologies for hijacking your thread but I was just about to post the info anyway.
Good luck with the swap
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BTW, You may have noticed the Sump and Exhaust Manifold are not the standard kit found on the C32, M112k Engine.
Both the Sump and Exhaust are off a W208, CLK320.
The CLK Sump allows clearance of the W201 Cross Member and the CLK Exhaust "Wraps Around" the Bell housing and allows for clearance of the stock W201 Steering Box.
The M112k Engine's Sump is a two piece unit with oil "storage" both front and rear.
The C32 Cross Member sits between the two sections and the Oil Pump has two pickups, therefore the Pump is swapped as well.
The Pump we used is from a 2002 ML320.
The original M112k Pump pumps more oil than a standard M112 C320 unit so therefore you need to increase oil flow from the 320 pump.
You can see in the next Picts we put a extra hole in the stock oil pickup.
The M112k Pump drive sprocket is larger than the stock M112 sprocket (by two teeth) therefore the 320 Pump drives faster.
When I tested the Oil flow of each unit I found the difference to be negligible.
Would you say the M103 3.0 is a 100% direct fit with the electronics, the mounts etc? I had bent the valves on the original engine that i have and was just thinking of replacing out the whole thing with this motors only if it was a "plug and play" type of swap.
Last edited by kmancoupe230; Sep 19, 2017 at 10:52 PM.
The only Electronics that might be different is the EZL Ignition Module.
The part # on the 2.6 is. 008 545 61 32.
This EZL is used on W201 / 124 /126. I'm sure it will work on the 3.0, I just can't remember what I used. They are on EBay for around $40.00.
Engine Mounts are the same and of course your 2.6 Tranny will bolt directly on.
When you have the new Engine be sure to check and change if necessary, the front and rear engine seals (cheap and easy job) and the Water Pump---a lot easier to change with the engine out.
All the Engine ancillaries including the water pump are a direct swap..
I'll have to walk away from it for a while otherwise I end up throwing the frigging computer against the wall!!!!
Main workshop tools needed : hydraulic trolly jack, engine crane/hoist, adjustable engine leveller, four axel stands, assorted socket, ring, open-end and adjustable spanners, screwdrivers etc.
The process will take you approx four hours to remove and the same to reinstall however, if you haven't done this before, take your time and allow two days.
My Process : Jack up the car and support on the four jack stands. Remove the wheels, drain the radiator, remove the front bumper, electric fans, radiator, AC condenser and unbolt the engine mounts. Next step is to jack the car to it's highest position and support on axel stands. Remove the exhaust system, then the tail shaft, disconnect the speedo cable from the tranny, unbolt the ground/earth straps and any other connections you see between the chassis and engine. Lower the rear of the car to its lowest point and support on jack stands. Lift the front of the car by trolly jack (on the crossmember) to it's highest point, support car's weight on the stands and remove the jack. Position the jack under the tranny support mount and unbolt it from the chassis. Now you can lower the tranny slightly as it is pivoted on the engine mounts. Connect the engine crane and leveller to the engine and slightly take the weight of the engine.
Now for a little adjustment via "Trial & Error".
You will need to Lower the tranny on the jack and at the same time (This is where an extra pair of hands will help) Lift the engine in order to achieve an angle of approx 30'. The engine will now clear the front lower radiator support and it's out!
Before installing the "new" engine, it's probably wise to replace the Front & Rear Crank seals, water pump, and any seals/gasket you notice show signs of some leakage. Hope it goes well.


