I have the same problem. I too am 6' 2". You have manual seats, right?
I assume you're familiar with the sliding height adjustment. The problem is that with the adjustment all the way back, I can barely reach the steering wheel and accelerator/brake. And the front-to-back adjustment isn't flat. So when you move the seat foreward, you loose headroom -- very annoying.
I've sat in a 190E that had POWER seats -- and it had plenty of headroom. So I'm considering converting to power seats. But I'm told that the conversion is not easy. It would be a breeze if the controls were on the seat instead of in the door.
If I can find some seats, switches, and wiring harnesses for a decent price, I may give it a whack. If I do, I'll post back with info.
'92 Mercedes 190E/2.3 (247K miles/my daily driver)
'93 Volvo 940 Turbo Wagon (263K miles/a family truckster with spunk)
'99 Kawasaki Concours
'85 Jeep CJ-7 w/ Fisher plow (226K miles)'93 Volvo 940 Turbo Wagon
'53 Willys-Overland Pickup
'85 Honda 750F Interceptor
'93 Nissan Quest
'89 Toyota Camry Wagon
'89 Dodge Raider
'81 Honda CB 750F Super Sport
'88 Toyota Celica
'95 Toyota Tacoma
'74 Honda CB 550F