I also agree with everyone else. My 190E 2.6 is a great little car. If you can find a 5-spd car, GRAB IT!! I couldn't find one. But mine runs great and is very dependable. The 2.6 car is heavier than the 2.3, but the extra weight makes the car feel way different than the 2.3.
Just make sure you brush up on your electrical circuitry knowledge, and get a schematic of the car. It will come in handy...

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99 C230K Sport
87 300SDL
81 300SD