Remove/Install Rear Muffler - AR49.10-P-4952MRI

Engine 264 in model 205 

Shown on model 205 with code U21 (AMG Performance exhaust system) 

Fig 1: Rear Muffler Components Location - Engine 264 In Model 205; Shown On Model 205 With Code U21

Courtesy of MERCEDES-BENZ USA

Shown on model 205.176 

Courtesy of MERCEDES-BENZ USA

	Risk of death  caused by vehicle slipping or toppling off of the lifting platform.	Align vehicle between vehicle lift columns and position the four support plates at the vehicle lift support points specified by the vehicle manufacturer.	AS00.00-Z-0010-01A
	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
	Risk of burn injuries,  suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust.	Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area.	AS49.00-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
	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
	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
	Remove/install
1	Raise vehicle.		AR00.60-P-1002LWG
2	Support rear mufflers (3). 000 588 10 62 00 Support plate		WS26.00-P-3309B
	000 588 11 62 00 Major assembly mount		WS01.00-P-0092B
3	Release and disconnect the electrical connector on the left exhaust gas flap actuator motor (M16/53).	Engine 264 in model 205 with code U21 (AMG Performance exhaust system)
4	Remove clamp (2).	For double-flow exhaust system. Replace clamp (2). Clamp, front exhaust system to rear muffler	*BA49.10-P-1003-02P
5.1	Remove clamp (2).	For single-flow exhaust system if clamp (2) is installed. Replace clamp (2).
		Clamp, front exhaust system to rear muffler	*BA49.10-P-1003-02P
5.2	Separate the rear muffler (3) at the separating point (t) using a pipe cutter.	For single-flow exhaust system if clamp is not installed. Connect rear muffler (3) using a clamp.
		Clamp between rear muffler	*BA49.10-P-1004-02P
6	Remove elastomer bearings (4) of rear mufflers (3).
7	Remove rear mufflers (3).	Helper required.
8	Separate rear mufflers (3) at separating point (t) with pipe cutter.	For double-flow exhaust system if the left or right rear muffler (3) is being replaced. Connect rear mufflers (3) with clamp.
		Clamp between rear muffler	*BA49.10-P-1004-02P
	Check
9	Check elastomer bearings (4) for damage and wear.	If damage is present, ↓ Replace elastomer bearing (4).
	Clean
10	Remove combustion and corrosion residue at the separating points (t) of the center exhaust system (1) and the rear mufflers (3).
11	Install in the reverse order.
12	Check installation position and unobstructed movement of rear mufflers (3), and correct if necessary.
	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
13	Perform engine test run and check exhaust system for leak tightness.