Remove/Install Right Rear Muffler - AR49.10-P-4825S

Engine 176, 256 in model 223 

Courtesy of MERCEDES-BENZ USA

	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 danger zone.	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
Notice	Notes on self-locking nuts and bolts		AH00.00-P-0001-01KOA
Notice	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A
	Remove/install
1	Release side underfloor panelings in area of reinforcement (5).		AR61.30-P-1001S
2	Remove stiffener (5).	Engine 256 in model 223 except code Z07 (B7 armoring on special protection version) Screw, Rear tunnel strut/Diagonal Strut to body/Rear floor	*BA61.10-P-1002-01P
3	Remove clamp (2r).	Replace clamp (2r).
		Clamp, center exhaust line to rear exhaust line	*BA49.10-P-1018-02Y
4	Release and disconnect electrical connector for exhaust gas flap controller (M16/54) and unclip electric line.
5	Detach right rear muffler (1r) from elastomer bearing (3r).	Wet elastomer bearing (3r) with lubricant.
		Lubricant, rubber assembly 1 L	*BR00.45-Z-1010-06A
6	Detach right rear exhaust system (1r) from elastomer bearings (4r) and remove.	Aid of helper required. Wet elastomer bearings (4r) with lubricant.
		Lubricant, rubber assembly 1 L	*BR00.45-Z-1010-06A
7	Check elastomer bearings (3r, 4r) for damage and wear.	If there are problems: ↓ Replace corresponding elastomer bearing (3r, 4r).
8	Remove combustion and corrosion residue at connecting points.
9	Install in the reverse order.
10	Check installation position and unobstructed movement of exhaust system 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
11	Perform engine test run and check exhaust system for leak tightness.

EXHAUST SYSTEM

Number	Designation		Engine 176 in model 223	Engine 256 in model 223
BA49.10-P-1018-02Y	Clamp, center exhaust line to rear exhaust line	Nm	35	35

FRAME FLOOR

Number	Designation		Model 223 except code Z07
BA61.10-P-1002-01P	Screw, Rear tunnel strut/Diagonal Strut to body/Rear floor	Nm	50

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1010-06A	Lubricant, rubber assembly 1 L	A 000 989 03 67