Remove/Install Engine Timing Chain - AR05.10-P-7602MFG

Engine 139 in model 118, 177, 247 

Fig 1: Engine Timing Chain Components Location - Engine 139 In Model 247

Courtesy of MERCEDES-BENZ USA

	Risk of injury  to skin and eyes due to handling of engine oil. Risk of poisoning  caused by swallowing engine oil	Wear protective gloves, protective clothing and safety glasses. Do not fill engine oil into beverage containers.	AS18.00-Z-0001-01A
	Risk of injury  caused by scraping or cutting body parts on sharp vehicle parts	Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels.	AS00.00-Z-0017-01A
Topical note	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A
	Remove/install
1	Remove the timing case cover.		AR01.40-P-8000MFG
2	Remove the chain tensioner.		AR05.10-P-7800MFG
3	Remove engine timing intermediate gear.		AR05.10-P-7620-02MFG
		Bolt, intermediate gear for engine control to cylinder head	*BA05.10-P-1005-01W
		Drift	Fig 4
		Holding device	Fig 2
		Puller	Fig 3
4	Remove slide rails.		AR05.10-P-8480MFG
5	Remove tensioning rail.		AR05.10-P-8127MFG
6	Remove timing chain (1).	Timing chain (1) cannot be separated.
7	Check timing chain (1) for damage.	If timing chain (1) is damaged: ↓ Replace timing chain (1).
8	Install in the reverse order.

TIMING CHAIN, CHAIN TENSIONER

Number	Designation		Engine 139
BA05.10-P-1005-01W	Bolt, intermediate gear for engine control to cylinder head	Nm	8

Fig 2: Identifying Holding Device (139 589 02 40 00)

Courtesy of MERCEDES-BENZ USA

Fig 3: Identifying Puller (139 589 00 33 00)

Courtesy of MERCEDES-BENZ USA

Fig 4: Identifying Drift (139 589 00 15 00)

Courtesy of MERCEDES-BENZ USA