Remove/install components for exhaust system - AR49.10-P-7100GQA

MODEL 166 with ENGINE 276 

MODEL 166 with ENGINE 278 

Fig 1: Identifying Exhaust System Remove/Install Components - Shown On Engine 276.8

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Exhaust System Remove/Install Components - Shown On Engine 276.9

Courtesy of MERCEDES-BENZ USA

Shown on exhaust system for engine 276.9 

	Remove/install
	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
	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
	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
1	Lift vehicle on vehicle lift		AR00.60-P-1000GZ
2	Remove underfloor paneling concerned	If necessary
			AR61.30-P-1001GQ
		Only install underfloor paneling after the engine test run and leak test.
3	Disconnect electrical connection for the respective oxygen sensors (G3/3, G3/4, G3/5, G3/6) and expose feed lines, if necessary.	MODEL 166 with ENGINE 276.8	AR07.52-P-5303GQC
		MODEL 166 with ENGINE 276.9	AR07.52-P-5303GQ
		MODEL 166 with ENGINE 278	AR07.52-P-5303MLJ
4	Disconnect electrical connections on NOx sensors and expose feed lines	MODEL 166 with ENGINE 276.9
			AR07.70-P-0001GQ
5	Disconnect electrical connection for temperature sensors for NOx storage catalytic converters and expose feed lines	MODEL 166 with ENGINE 276.9
			AR07.70-P-0002GQ
6.1	Remove exhaust manifold with catalytic converter	MODEL 166 with ENGINE 276.9
			AR14.10-P-4095GQ
6.2	Remove/install ATL with exhaust manifold	MODEL 166 with ENGINE 276.8, 278
		MODEL 166 with ENGINE 276.8	AR09.40-P-6025GQC
		MODEL 166 with ENGINE 278	AR09.40-P-6025MLJ
7	Detach EGR lines	MODEL 166 with ENGINE 276.9
		Nut, profiled clamp for AGR pipe to exhaust system	*BA49.10-P-1004-01AK
8	Remove cross strut	If necessary
			AR22.10-P-1180GQ
9	Remove left (2) or right CAT (3)	MODEL 166 with ENGINE 276.8
			AR49.10-P-5500GQC
10	Loosen corresponding components of exhaust system at connecting points and remove	Align components for the exhaust system before firmly tightening screw connections free of tension. Apply lubricating paste to the decoupling elements.
		MODEL 166 with ENGINE 278	*BA49.10-P-1018-01AK
		MODEL 166 with ENGINE 278	*BA49.10-P-1017-01AK
		MODEL 166 with ENGINE 278	*BA49.10-P-1016-01AK
		MODEL 166 with ENGINE 278	*BA49.10-P-1015-01AK
		MODEL 166 with ENGINE 276	*BA49.10-P-1001-01AK
		MODEL 166 with ENGINE 276	*BA49.10-P-1004-01AK
		MODEL 166 with ENGINE 276	*BA49.10-P-1005-01AK
		Screw/bolt, center exhaust rubber mount bracket to body	*BA49.10-P-1010-01AK
		MODEL 166 with ENGINE 278	*BA49.10-P-1012-01AK
		MODEL 166 with ENGINE 276	*BA49.10-P-1013-01AK
		Anti-friction paste, rubber parts 2.5 kg, DB supply specification 6867.00	*BR00.45-Z-1002-06A
	Clean
11	Remove combustion and corrosion residue at separating points
	Check
12	Check decoupling elements	Engine 276, if necessary Check for wear and damage, and replace if necessary.
		Nut, rubber mount to exhaust system/centering plate/strut	*BA49.10-P-1006-01AK
13	Install in the reverse order
	Check
14	Check installation position and for unobstructed movement of all components of the exhaust system
	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.	Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
15	Perform an engine test run and check exhaust system for leak tightness