Remove/install ESP brake pressure sensor · ar4245p0816rt · Mercedes-Benz WIS

AR42.45-P-0816RT

Remove/install ESP brake pressure sensor

9.7.08

MODEL 251

Remove/install ESP brake pressure sensor

P42.45-2544-04

1 Water drain pipe

2 Electrical connector

B34 ESP brake pressure sensor

Modification notes

30.5.08

Remove wiper system, added

Step 4

AR82.30-P-6400RT

 	Remove/install
Danger!	Risk of poisoning caused by swallowing brake fluid. Risk of injury caused by brake fluid coming into contact with skin and eyes.	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
	Brake fluid notes	All models	AH42.50-P-0001-01A
	Notes on repairs to brake system	All models	AH42.00-P-0003-01A
1	Switch off ignition and remove the transmitter key from the EIS [EZS] control unit	 On vehicles with code (889) Keyless Go: Press Keyless Go start and stop button repeatedly until the ignition is switched off. Remove transmitter key from vehicle and store it in a location beyond its transmission range (at least 2 m).
 Danger!	Risk of injury caused by fingers being pinched or crushed when removing, installing or aligning hoods, doors, trunk lids, liftgates or sliding roof	Keep body parts and limbs well clear of moving parts.	AS00.00-Z-0011-01A
2	Open engine hood and raise to vertical position		AR88.40-P-1000RT
3	Unclip water drain pipe (1)	 On left hand drive vehicle only.
		 Installation: Pay attention to correct seat of water drain pipe (1).
4	Remove wiper system	 Only on right-hand drive vehicle.	AR82.30-P-6400RT
5	Suction off brake fluid from brake fluid reservoir
6	Disconnect electrical connector (2) from ESP brake pressure sensor (B34)
7	Unscrew and remove ESP brake pressure sensor (B34)	 Collect brake fluid which flows out using a non-fluffing, absorbent rag.
			*BA42.45-P-1001-01K
8	Install in the reverse order
9	Bleed brake system		AR42.10-P-0010RT
			*BF42.10-P-1001-01H
10	Check fluid level in brake fluid reservoir; correct if necessary
	Brake system - inspect fluid level		AP42.10-P-4210RT
11	Read out fault memory
	Connect STAR DIAGNOSIS and read out fault memory		AD00.00-P-2000-04A
	Checking
 Danger!	Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running	Secure vehicle to prevent it from moving by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
12	Check brake system for leaks		AR42.10-P-0100-01RT

 Electronic Stability Program (ESP)

Number	Designation		Model 251


BA42.45-P-1001-01K	Brake pressure sensor to master brake cylinder	Nm	35

 Brake fluid

Number	Designation			Model 251


BF42.10-P-1001-01H	Brake fluid	Filling capacity	Liters	0,8
		Specifications for Operating Fluids	Sheet	BB00.40-P-0330-01A
			Sheet	BB00.40-P-0331-00A

Referenced documents

ad0000p200004a Connect STAR DIAGNOSIS and read out fault memory
ad0000p200004a
ah4200p000301a Notes on repairs to brake system
ah4250p000101a Brake fluid notes
ap4210p4210rt Brake system - inspect fluid level
ar4210p0010rt Bleed brake system
ar4210p010001rt Check brake system for leaks
ar8230p6400rt Remove/install wiper system
ar8840p1000rt Opening engine hood, moving to upright position and closing
as0000z000501a Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.
as0000z001101a Risk of injury caused by fingers being jammed or pinched when removing, installing or aligning hoods, doors, trunk lid/rear-end door or sliding roof.
as4250z000101a Risk of poisoning from swallowing brake fluid. Risk of injury from skin and eye contact with brake fluid