If the auto starts to unlock the steering column intermittently (just after about eight to 10 yrs of use), it is actually a smart idea to exchange the ESL electrical worm travel motor ahead of it fails entirely as it can be easier to try and do Using the ESL https://mercedes-m156-c63-cam-adj22951.bloggip.com/28208584/not-known-factual-statements-about-mercedes-keys