Under full throttle the kick-down solenoid should keep the trans in gear up to REDLINE & then shift into the next gear.

With the engine running & the kick-down switch depressed does the solenoid get battery voltage?

__________________
MERCEDES Benz Master Guild Technician (6 TIMES)
ASE Master Technician
Mercedes Benz Star Technician (2 times)
44 years foreign automotive repair
27 Years M.B. Shop foreman (dealer)
MB technical information Specialist (15 years)
190E 2.3 16V ITS SCCA race car (sold)
1986 190E 2.3 16V 2.5 (sold)
Retired Moderator