Replace Rear Muffler - AR49.10-P-4951GW

Engine 157, 279 in model 463 

Engine 176 in model 463 

up to model year 2019 

Courtesy of MERCEDES-BENZ USA

	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
	Remove/install
1	Lift/jack up vehicle	Engine 157, 279 in model 463 up to model year 2019 Engine 176 in model 463 up to model year 2019	AR00.60-P-1000G
2	Secure rear muffler (4) against falling down
3	Remove bolt (1)	Engine 176 in model 463 up to model year 2019Nut/bolt, catalytic converter to rear muffler	*BA49.10-P-1002-02F
		Engine 157, 279 in model 463 as of model year 2013Bolt, catalytic converter to muffler	*BA49.10-P-1031-01A
4	Pull rear muffler (4) out of the rear elastomer bearings
5	Remove rear muffler (4) downwards	: Replace self-locking nuts and sealing rings.
	Check
6	Check elastomer bearing for damage; replace if necessary
7	Install in the reverse order
	Check
8	Check installation position and unobstructed movement of exhaust system	Install exhaust system free of tension.
	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
9	Carry out an engine test run and check exhaust system for leaktightness