1990 Mercedes-Benz 300CE Q&A

1990 Mercedes-Benz 300CE Question: hard shift when cold

vehicle has a hard or no shift from 1st to 2nd when cold but will shift normal once warmed up -
Answer 1
the vehicle is designed to have a delay on up shift when cold (up shift delay valve)for the purpose of decreasing warm up time of the engine and transmission. -