Component Locations

NOTE - Model 129: When equipped with ADS the front axle and rear axle level sensors (B22/2, B22/3) perform the same function as the front and rear axle sensors (A52 and A51).

Model 129 (without ADS):

Model 140:

A51 Rear axle sensor (headlamp range adjustment)
A52 Front axle sensor (headlamp range adjustment)
E1 Left headlamp unit
E1m1 Headlamp range adjustment motor
E2 Right headlamp unit
E2m1 Headlamp range adjustment motor
N71 Headlamp range adjustment control module