No,..But we took an 124 E320 on a trip to Williamsburg and had a wiring short causing faulty codes to appear.

The initial diagnosis for this car was a bad air mass sensor. OK, the car nearly got my family KILLED when the engine started to cut in and out in DC traffic. Two days later(one day after we got it back with a $$$ bill and a smile), it did the same damn thing. The tech diagnosis was AGAIN an air mass sensor!

My father was unfamiliar with the M104 engine at the time(it was only 4 years old) disabled the plug connected to the sensor, and we drove it home that way. The experience ruined our vacation, and my mother certainly has never forgotten about it.

Dealer concluded that the battery had leaked acid on the wiring casing underneath the battery tray. The wiring harness and the battery both had to be replaced. WHY THE HECK WOULD MB USE A CLOTH-LIKE SUBSTANCE, BIODEGRADABLE, AND CERTAINLY SUSCEPTABLE TO A SMALL AMOUNT OF ACID LEAKAGE?

Just a poor design. Very poor.

Other than that crap I listed, the I6 is a tough contender.

I've got a '97 E420, though. No broken swaybars after nearly 3 years of ownership.

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1987 300SDL (324000)

1986 Porsche 951 (944 Turbo) (166000)

1978 Porsche 924 (99000)

1996 Nissan Pathfinder R50 (201000)

there is a good srticle in the latest issue of "automobile' magazine called "losing the luster" that addresses the decline of the quality of products made by a certain german auto manufacturer. indeed, the perception is that the germans build the finest cars in the world. the reality, however is quite different. a good article worth checking out.....