2013 GLK 350 Auxiliary Battery Service
#52
That sounds very much like the Hold feature. You depress the brake pedal extra hard to activate it. Then you can take your foot off the brake pedal but the vehicle will not move/roll. However, then it should display Hold, I believe, and not highlight the "P" for park.
Last edited by MBKLUE; 12-13-2023 at 03:27 PM.