E 420 (210.072) V8-4.2L (119.985) (1997)
Engine 120
B2/6
Left hot film mass air flow sensor (position at right of engine) cylinders 7-12
Between air cleaner and intake manifold in air intake duct
Engine 120
B2/7
Right hot film mass air flow sensor (position at left of engine) cylinders 1-6
Between air cleaner and intake manifold in air intake duct