Replace brake fluid - AP42.00-P-4280AK

Model 117, 156, 169, 176, 242, 246 

Model 245 (except 245.286) 

Illustrated on model 169 

Fig 1: Identifying Filling & Bleeding Device

Courtesy of MERCEDES-BENZ USA

Illustrated on model 169 

Fig 2: Identifying Expansion Reservoir & Cap

Courtesy of MERCEDES-BENZ USA

	Risk of accident  when commissioning the vehicle due to a lack of braking effect when the service brake is operated for the first time after repair work.	Before starting the engine, actuate brake pedal several times until pressure is built up and maintained in the brake system.	AS42.50-Z-0002-01A
	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
	Risk of injury  . Skin or eye injuries may result when handling hot or glowing objects.	Wear protective gloves, protective clothing and safety glasses, if necessary.	AS00.00-Z-0002-01A
	Brake fluid notes		AH42.50-P-0001-01A
	Notes on repairs to brake system		AH42.00-P-0003-01A
	Clean
1	Clean cap (2) and expansion reservoir (1)
	Remove
2	Unscrew cap (2)
3	Suction off brake fluid from the expansion reservoir (1)
4	Add new brake fluid up to the Max. marking in the expansion reservoir (1)
5	Connect filler/bleeder unit (01) to expansion reservoir (1)	Observe the operator's manual for the filling and bleeding unit (01). Brake fluid change unit with supply tank (10-20 l)
6.1	Remove rear lower engine compartment paneling	Vehicles with lower engine compartment paneling
		MODEL 117, 156, 176, 242, 246	AR61.20-P-1105NKB
		Model 169, 245 (except 245.286) with code 484 (Rough road package)	AR61.20-P-1105AL
		Model 169, 245 (except 245.286) except code 484 (Rough road package)	AR61.20-P-1105AM
6.2	Remove bottom section of soundproofing	Vehicles with bottom section of soundproofing
		MODEL 117, 156, 176, 246	AR94.30-P-5300NKB
		Model 169, 245 (except 245.286)	AR94.30-P-5300AK
	Change fluid
7	Replace brake fluid
	General brake fluid		DOT 4. See GENERAL BRAKE FLUID (https://bevo.mercedes-benz.com/index.php?language_id=1)
	Brake fluids (DOT 4 plus)		MB 331.0 brake fluid A 000 989 08 07
	000 588 01 82 00 Filling unit		WS25.00-P-0016B
		Bleed screw on front-axle brake caliper, model 117, 156, 169, 176, 242, 245 (except 245.286), 246 Bleed screw on brake caliper	*BA42.10-P-1001-10N
		Bleed screw on rear-axle brake caliper, model 169, 245 (except 245.286) Bleed screw to brake caliper	*BA42.10-P-1003-12N
		Bleed screw on rear-axle brake caliper, model 117, 156, 176, 242, 246 Bleed screw to brake caliper	*BA42.10-P-1002-12J
		Bleed screw to central clutch release bearing, model 169 with transmission 711, 716.5 Bleed screw to central clutch release bearing	*BA25.20-P-1001-01E
		Bleed screw to central clutch release bearing, model 245.2 with transmission 711, 716.5 Bleed screw to central clutch release bearing	*BA25.20-P-1001-01F
		Bleed screw to central clutch release bearing, model 117, 156, 176, 242, 246 with transmission 711.6 Bleed screw to central clutch operator	*BA25.20-P-1001-01B
		Bleed screw to clutch slave cylinder, model 169 with transmission 711, 716.5 Bleed screw to clutch slave cylinder	*BA25.20-P-1002-01E
		Bleed screw to clutch slave cylinder, model 245.2 with transmission 711, 716.5 Bleed screw to clutch slave cylinder New brake fluid must escape without any bubbles via the bleed hose: ↓ Bleed the system.	*BA25.20-P-1002-01F
		Model 117, 156, 176, 242, 246	AR42.10-P-0010-02NKB
		Model 169 Model 245 (except 245.286)	AR42.10-P-0010-02AK
	Check
8	Check brake system for leaks	If there are problems: ↓ Rectify problem subject to separate repair order.
	Install
9.1	Install lower rear engine compartment paneling	Vehicles with lower engine compartment paneling
		MODEL 117, 156, 176, 242, 246	AR61.20-P-1105NKB
		Model 169, 245 (except 245.286) with code 484 (Rough road package)	AR61.20-P-1105AL
		Model 169, 245 (except 245.286) except code 484 (Rough road package)	AR61.20-P-1105AM
9.2	Install rear bottom section of soundproofing	Vehicles with bottom section of soundproofing
		MODEL 117, 156, 176, 246	AR94.30-P-5300NKB
		Model 169, 245 (except 245.286)	AR94.30-P-5300AK
10	Lower vehicle
11	Disconnect filling and bleeding unit (01)
	Check
12	Check fluid level in expansion reservoir (1)		AP42.10-P-4210AK