Remove/install ATA engine hood switch - AR80.50-P-0004V

MODEL 171.4 with CODE (551a) Anti-theft alarm system (ATA) 

Fig 1: Identifying ATA Engine Hood Switch Components

Courtesy of MERCEDES-BENZ USA

	Removal/installation
1	Open engine hood		AR88.40-P-1000V
2	Remove bolts (1)		*BA88.40-P-1003-01A
3	Remove engine hood catch (2) from front end (3) until ATA engine hood switch (S62) is accessible
4	Press catch lugs (4) in with suitable screwdriver and remove ATA engine hood switch (S62) from engine hood catch (2)	Installation:  Ensure that ATA engine hood switch (S62) is seated correctly in engine hood catch (2).
5	Disconnect electrical connector (5) and remove from front end (3)
6	Route electric wiring harness for ATA engine hood switch (S62) through front module (3)
7	Install in the reverse order