Remove/Install Brake Fluid Reservoir - AR42.10-P-0308S

Model 223 

except code 200 (Conditionally automated driving) 

except code 503 (Remote-controlled parking) 

except code ME10 (Hybrid vehicle (plug-in, PHEV)) 

Courtesy of MERCEDES-BENZ USA

	Risk of poisoning  from swallowing brake fluid. Risk of injury  from skin and eye contact with brake fluid	Only pour brake fluid into suitable and appropriately marked containers. Wear protective clothing and eye protection when handling brake fluid.	AS42.50-Z-0001-01A
Notice	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
Notice	Notes on externally invisible brake fluid loss		AH42.10-P-9406-02A
Notice	Notes on repairs to brake system		AH42.00-P-0003-01A
Notice	Brake fluid notes		AH42.50-P-0001-01A
	Notes on safety-relevant components		AH00.00-Z-0019-01A
	Remove
1	Remove fuse and relay module with housing in engine compartment.		AR54.15-P-0005S
2	Release and disconnect electrical connector (2).
3	Clean area around cap of brake fluid reservoir (1).	Before opening the brake system, the area surrounding the connecting point must be clean. Even the smallest dirt particles, introduced into the hydraulic components, can lead to malfunctions and a total failure of the brake system.
		Assembly cleaner	*BR00.45-Z-1028-04A
4	Remove cap and take sieve out of brake fluid reservoir (1).
5	Extract brake fluid from brake fluid reservoir (1).
6	Pull out locking pin (3) (arrow A).
7	Remove brake fluid reservoir (1) from master brake cylinder and seal connections with suitable stop plugs.	Collect brake fluid which runs out with an absorbent rag. Otherwise, the paint will be damaged.
		Record plug	Fig 2
	Install
8	Remove stop plugs from connections and replace sealing rings between brake fluid reservoir (1) and master brake cylinder.	Assembly tool	Fig 1
9	Attach brake fluid reservoir (1) to master brake cylinder.
10	Install locking pin (3).
11	Fill brake fluid reservoir (1) with brake fluid.
			AP42.10-P-4210G
12	Insert sieve into brake fluid reservoir (1).
13	Connect electrical connection (2).
	Check
14	Check area around brake fluid reservoir (1) for leak tightness.
15	Install fuse and relay module with housing.		AR54.15-P-0005S
	Concluding tasks
16	Bleed brake system.		AR42.10-P-0010S
17	Perform brake test on test stand.
			AP42.00-P-4290BS

Fig 1: Identifying Assembly Tool (000 589 93 63 00)

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Record Plug (129 589 00 91 00)

Courtesy of MERCEDES-BENZ USA