Replace fire extinguishing system control unit

SM86.10-P-0001B

15.4.10

MODEL 221 with CODE (Z21) Fire extinguishing system

MODEL 463 with CODE (YF5) Engine compartment fire extinguishing system

P86.10-2286-05

Shown on model 221

1 Fuse

P86.10-2287-01

2 Control-unit designation

Operation no. of operation texts or standard texts and flat rates

Category	Op. no.	Operation text	Time	Acc. no.	Code
P	026697	Replace fire extinguishing system control unit
G	026697	Replace fire extinguishing system control unit

	List of affected vehicles	Model 221 from WDD2211281A151336 to WDD2211762A284332	SM86.10-P-0001-01BAA
		Model 463 from WDB4632361X177452 to WDB4632481X176935	SM86.10-P-0001-01BAB
 	Remove/install
1	Remove fuse (1) in rear fuse box I, (F7) from slot 6	 Only for model 221 with code (Z21) Fire extinguishing system.
2	Remove fire extinguishing system control unit (N100)	 Caution! Risk of mixing up. For model 221, use the control-unit designation (2) to ensure that the fire extinguishing system control unit (N100) is replaced. The fire extinguishing system control unit (N100) is located behind the red extinguishing agent tank of the fire extinguishing system.
		Model 221	AR86.10-P-0101SXS
		Model 463	AR86.10-P-0101A
3	Install in the reverse order

Parts ordering notes

Part no.	Designation	Quantity
A 221 900 81 01 05	Fire extinguishing system control unit	1