Remove/install injection valves (ME-SFI) - AR07.03-P-6520A

ENGINE 113.989 in MODEL 171 

Fig 1: Identifying Anti-Twist Lock, Fuel Distributor And Fuel Injection Valves

Courtesy of MERCEDES-BENZ USA

Remove fuel distributor (17) together with the fuel injectors (Y62)

Check O-rings for damage otherwise this can lead to leakage. Before installing fuel injection valves (Y62) lubricate O-rings.

Anti-twist locks (16/7) must latch into the square catch (arrow) of the fuel injection valves (Y62).