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1985 w124 200 [ chasis: 124.020 engine: M102.922 I4
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20 Posts
Discussion Starter #1 (Edited)
I've been given many answers about this problem. some say that only a 190 gearbox will fit the w124 while very few told me that the w123 gearbox will fit except for a plug that could be changed. What is the real answer, is it compatible or no?
The w123 model date is 1983 and the w124 is 1985 and both run on petrol. Thanks for helping me..:thumbsup:
 

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'87 300TD/'90 300D/'94 Quattro/'89 Vanagon TDI/'01 EV Weekender VR6
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52,233 Posts
I believe the bell housings are different between the two chassis. On the 123 the starter is on the passenger side, while it's on the drivers side with the 124
 

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money pits of various forms
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5,885 Posts
If its is a gasser 123 and its not a 280 it will work.
 

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'87 300TD/'90 300D/'94 Quattro/'89 Vanagon TDI/'01 EV Weekender VR6
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52,233 Posts
Oh I now see that the M102 engines were available in the 123 outside of North America...so yes, theoretically there are some automatics that should work in the 124. But, how many automatics were added to European delivery cars with a small displacement 4 cylinder?
 

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1985 w124 200 [ chasis: 124.020 engine: M102.922 I4
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20 Posts
Discussion Starter #5
will check the starter housing side and other deteails to see if it is compatible

thanks for the help, I will go under the car an check some things to see if it fits..
 

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'95 E300 DIESEL, '91 600SEL, '92 600SEL
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17,372 Posts
The M102 engine is the only motor that was carried over from the W123 to the W124. The M110 2.8L was NOT used in the W124 at any time, at least not as delivered from the factory.

The M102 was further developed/enhanced for W124 duty and ultimately resulted in the M103 6 cylinder motor (which replaced the M110) and finally the M104 twin cam derivative as the last straight 6 motor to be used for passenger car vehicles.

I believe the M102 as used in W124 applications had the W201 (190 series) 5-speed manual gearbox.

I doubt a W123 box can be used as is without using a custom bellhousing and adapter plates.

The W124 & W201 share more in common than the W123.
 
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