Hello, I’m new here and have a few questions, would like to buy a new car soon, have already the S class ́99 in mind, but to be honest, I have a lot of muffles in front of the box because of its air suspension and the vulnerable automatic transmission. 1. Am I lying right in the presumption that a transmission oil change every 50 000 km (tim … method ) the lifespan considerably extended ? 2. Airmatic, most it leaks on the spring legs above ( there is a rep. set ) or on any line which would not be so tragic, or the compressor gives up the spirit ( 250 .- ) ? if you now look at these problems is all actually not as bad as it sounds, above all I am a mechanic myself and could do everything myself except transmission repertures. A broken compressor, 250.- already scrolling and self-installing, defective lead itself exchange etc… Now all Mercedes insiders are in demand, you think I am realistically lying?