Mercedes-Benz GLA Forum banner
1-1 of 1 Results
  1. GLA Issues & Problems
    2015 GLA 250 4matic. 1. Took car in for emissions test and it failed due as unable to connect. Fuse is fine!! The last time I brought it in for scheduled servicing they indicated that the battery needed to be replaced. Would inability to connect to the OBD2 port be caused by low battery...
1-1 of 1 Results