Has any one experienced the smell of propane gas/battery gas smell while traveling with the moon roof open and windows closed? My 2020 450 has been at the dealer for over 3 weeks! They smell it but are just not sure how to fix it!

 

problem solved. Apparently there is a service bulletin with the fix. The rear ended vent/cooling lines needed to be rerouted. To bad it took 3 trips to the deal and almost 3 weeks in service for them to figure it out and finally look to see if Mercedes had issued a fix!

 

[QUOTE=9157;8090834]problem solved. Apparently there is a service bulletin with the fix. The rear differential vent/cooling lines needed to be rerouted. To bad it took 3 trips to the dealer and almost 3 weeks in service for them to figure it out. They finally looked to see if Mercedes had issued a fix