Mercedes E 300de diesel Plug-In Hybrid: benefit during uphill and downhill drive? :: [1001cars]

Name: Mercedes E 300de diesel Plug-In Hybrid: benefit during uphill and downhill drive? :: [1001cars]
Uploaded: 2020-06-14T08:00:07-07:00
Duration: 545 s
Description: I checked Plug-In Hybrid car (Mercedes-Benz E 300de with diesel engine) during uphill and downhill driving. Does it improve fuel consumption (economy) if you live in a mountains?