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Remove/install catalytic converter - AR49.10-P-5500GW

ENGINE 157, 279 in MODEL 463 as of model year 2013 

Fig 1: Catalytic Converter Remove/Install Components
G10780883Courtesy of MERCEDES-BENZ USA
DANGER 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
REMOVINGINSTALLING Remove/install     
1 Lift/jack up vehicle   AR00.60-P-1000G
2 Unclip electrical connection (en) at oxygen sensor(s) (G3/3, G3/4, G3/5, G3/6) from the lower and side brackets on transmission and separate    
3 Secure rear muffler (4) against falling down.    
4 Remove screw/bolt (1) TORQUE SPECIFICATION Bolt, catalytic converter to muffler *BA49.10-P-1031-01A 
5 Remove screw/bolt (3) TORQUE SPECIFICATION Bolt, catalytic converter to exhaust line *BA49.10-P-1029-01A 
6 Remove screw/bolts (2) TORQUE SPECIFICATION Bolt, catalytic converter to bracket (elastomer bearing) *BA49.10-P-1030-01A 
7 Remove catalytic converter (5) downwards INSTALLATION IMPORTANT Replace self-locking nuts and sealing ring. Check elastomer bearing for damage; replace if necessary.  
8 Install in the reverse order    
INSPECT Check     
9 Check installation position and unobstructed movement of exhaust system IMPORTANT Install exhaust system free of tension.  
DANGER 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
10 Carry out an engine test run and check exhaust system for leaktightness    
EXHAUST SYSTEM

Number Designation Engine 157, 279 in model 463
BA49.10-P-1029-01A Bolt, catalytic converter to exhaust line Nm 25
EXHAUST SYSTEM

Number Designation Engine 157, 279 in model 463
BA49.10-P-1030-01A Bolt, catalytic converter to bracket (elastomer bearing) Nm 20
EXHAUST SYSTEM

Number Designation Engine 157, 279 in model 463
BA49.10-P-1031-01A Bolt, catalytic converter to muffler Nm 25