Exhaust manifold and turbo are single piece.
MB 2700902980
 
MERCEDES B-CLASS 13 246 Type; (B250)
MERCEDES B-CLASS 14-16 246 Type; (B250, Canada market, gasoline engine)
MERCEDES B-CLASS 17-19 246 Type (B250, gasoline engine)
MERCEDES CLA-CLASS 14-17 117 Type; CLA250
MERCEDES CLA-CLASS 18-19 117 Type, CLA250
MERCEDES GLA-CLASS 15-17 156 Type; GLA250
MERCEDES GLA-CLASS 18-19 156 Type, GLA250
MERCEDES GLA-CLASS 20 156 Type, (GLA250)