Just spent $1100. today on new tires, shocks, and alignment on my 420SEL. It still seems to be riding low. I had stock 205/65/15 tires put on. I passed another 420 on my way home and it seemed to be 2-3 inches taller. Does anybody out there know what height it should be say from the ground to the wheel wells or bumpers? Don't know if I should replace springs as well. Thanks.