I purchased a 1999 ML320 recently which has low miles - only 46,000 miles. The current problem is puzzling. For everday driving on local roads no problems. Highway driving no problems. However, when we take this one exit ("L" shaped exit ramp) off the highway which slopes down and to the right and then we are downtown faced with several city blocks of traffic lights. Consistenly, every time, after taking this exit and going maybe a block or two, The dashboard gauges light up like a christmas tree. The BAS/ESP, Check Engine, Brake lights all come on and then the transmission only allows us to use the low gear to drive. After waiting a couple of minutes, turning the car off and then restarting the lights go out and the ML drives normally again. The Check Engine stays on, but eventually goes out after several restarts of the engine. Since purchasing this vehicle, I have replaced the brake pads back/front, front brake discs, MAS, vibration damper, transmission electrical plate, battery, rear crank seal, motor mounts, upper oil pan seal and of course not to mention labor. Any help would be appreciated. Thanks.

BTW, the codes are:
ETC - 132,134,135,136,137 - all stored
ME2-SFI - P0720,P00700-106 - Not Defined
ESP - C1022(CAN Fault Control Unit w/ME-SFI),C1024(CAN Fault Control Unit ETC) - Stored
ESP - C1032(CAN Fault Control Unit Inst. Clust),C1030(CAN Fault Control Unit Transf Case) - Stored
AAM -
ICM - B1040(CAN Fault Control Unit MR engine control) stored
ICM - B1041(CAN Fault Control Unit Traction Systems) - stored
ICM - B1089(CAN FAult Control Unit Transfer Case) - stored

The mechanic drove it to the same exit ramp and got the same codes. He brought his laptop to read the codes. THe ML320 acted the same way when it exited from another steep ramp which curved to the right. He then cleared all of the codes and then drove a short distance before getting another set of codes. It only appears to happen in this area.....nowhere else. Could there be a latent electrical capacitance built up and not discharged yet from the lateral acelerator sensor ? He feels it might be the ESP Control Module

Any Help Would be appreciated.