I have a 1984 190D. The engine has been replaced and I do not know if
it is a 2.2 like was originally in it or if it was upgraded to a 2.5.
Can anyone please tell me where to find the engine identification
number? Or any other way to easily tell? An injector line broke at
the injector and I need to order a new one but there are two different
lines for the 2.2 and the 2.5.
I can't come up with a witty enough response based on your obvious
observation from the information I provided...
I was told that the car doesn't have the original 2.2 and that it was
upgraded to a 2.5. Yes, I guess the 2.5 was a 5 cyclinder and the
engine in there is only an underpowered 4. Was there anything above a
2.2 that was still a 4 cyclinder that fit into a 1984 190D, like a 2.3
or 2.4? I don't remember either of those. Maybe it is just a 2.2 in
In US market, the 4 cylinder diesel fitted in 190D (W201) is only 2.2.
There is a 2.3 gas engine. Later model years have a 2.5 diesel (5 cyl.,
don't remember with or w/o turbo), or 2.6 gas (6 cyl.)
The 2.2 diesel is the simplest (in control). Switching to any other
requires different wiring/cluster/vacuum. Also, I think the
transmission and possibly the rear axle need to match to maintain the
In my opinion, it is less work/money to find another 190 with the
engine/power you want. However, once I am used to the 2.2 (I have the
84 too), it does not bother me at all. It starts slow but does not go
that slow. Also, counting its 30+ mpg, what else can combine
luxury/reliability/economy together like 190D 2.2?
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