Remove/Install Center Exhaust System - AR49.10-P-7283MNA

Engine 177 in model 205

MODIFICATION NOTES

20.07.2015	Basic date altered	Operation step 10
20.07.2015	Basic date altered	Operation step 11
06.03.2018	Bolt center stiffener to frame floor	Model 205	BA61.10-P-1003-01L

Fig 1: Center Exhaust System Component Location - Model 205 With Engine 177

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Remove lower engine compartment paneling		AR61.20-P-1105LW
2	Remove the left and right underfloor paneling		AR61.30-P-1001LW
3	Detach elastomer bearing for center exhaust system (1) from cross strut (4)	Bolt, elastomer bearing for tunnel reinforcement to center exhaust system	*BA49.10-P-1007-02E
4	Remove cross strut (4)	Bolt, center reinforcement to frame floor assembly	*BA61.10-P-1003-01L
5	Unclip electrical line (6)
6	Disconnect electrical connection (5)
7	Support center exhaust system (1)	Commercially available devices/tools Telescopic lifter
8	Open connecting clamp (2)	: Replace connecting clamps (2). Clamp, front exhaust system to center exhaust system	*BA49.10-P-1005-02E
9	Open connecting clamps (3)	: Replace connecting clamps (3). Clamp, center exhaust system to rear exhaust system	*BA49.10-P-1008-02E
10	Unscrew nuts (7)	Nut, cross connection for exhaust system left to right	*BA49.10-P-1010-02E
11	Remove screw/bolts (8) and remove holder (9) downwards	Bolt, exhaust system bracket to transmission	*BA49.10-P-1009-02E
12	Remove center exhaust system (1) downwards
	Clean
13	Remove combustion and corrosion residue at separating points
	Check
14	Check elastomer bearing	If wear or damage present ↓ Replace elastomer bearing
15	Install in the reverse order
	Check
16	Check installation position and unobstructed movement of center exhaust system (1)
	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
17	Perform an engine test run and check exhaust system for leaktightness

EXHAUST SYSTEM

Number	Designation		Engine 177 in model 205
BA49.10-P-1005-02E	Clamp, front exhaust system to center exhaust system	Nm	35

EXHAUST SYSTEM

Number	Designation		Engine 177 in model 205
BA49.10-P-1007-02E	Bolt, elastomer bearing for tunnel reinforcement to center exhaust system	Nm	20

EXHAUST SYSTEM

Number	Designation		Engine 177 in model 205
BA49.10-P-1008-02E	Clamp, center exhaust system to rear exhaust system	Nm	35

EXHAUST SYSTEM

Number	Designation		Engine 177 in model 205
BA49.10-P-1009-02E	Bolt, exhaust system bracket to transmission	Nm	20

EXHAUST SYSTEM

Number	Designation		Engine 177 in model 205
BA49.10-P-1010-02E	Nut, cross connection for exhaust system left to right	Nm	20

FRAME FLOOR ASSEMBLY

Number	Designation			Model 205
BA61.10-P-1003-01L	Bolt, center reinforcement to frame floor assembly	M10	Nm	23
BA61.10-P-1003-01L	Bolt, center reinforcement to frame floor assembly	M6	Nm	8