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Remove/install catalytic converter (right) - AR49.10-P-5500GZM (ML500, ML63 AMG)

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ENGINE 113.964 in MODEL 164.175 

Right catalytic converter 

ENGINE 156.980 in MODEL 164.177 

Right catalytic converter 

Fig 1: Identifying Catalytic Converter Remove/Install Components
G05258962Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
MODIFICATION NOTES

7.11.06 Bolt, diagonal strut to body Engine 156.980 in model 164.1, 251 *BA22.10-P-1009-03G 
REMOVINGINSTALLING Remove/install    
DANGER Risk of injury  to skin and eyes caused by handling hot or glowing objects. Wear safety gloves, protective clothing and safety glasses, if necessary. AS00.00-Z-0002-01A
NOTES Notes on self-locking nuts and bolts All models AH00.00-N-0001-01A
DANGER Risk of death  caused by vehicle slipping or toppling off the lifting platform. Align vehicle between columns of vehicle lift and position four support plates at vehicle lift support points specified by vehicle manufacturer. AS00.00-Z-0010-01A
1 Lift/jack up vehicle   AR00.60-P-1000GZ
2 Remove right diagonal strut Model 164.175 AR22.10-P-1170GZA
    Model 164.177 AR22.10-P-1170GZS
    TORQUE SPECIFICATION *BA22.10-P-1007-03G 
    TORQUE SPECIFICATION *BA22.10-P-1009-03G 
3 Support right catalytic converter (1) with transmission jack and transmission platform Telescoping transmission jack, refer to GOTIS
http://gotis.aftersales.daimlerchrysler.com 
Passenger car transmission platform, refer to GOTIS
http://gotis.aftersales.daimlerchrysler.com 
 
4 Detach right catalytic converter (1) from central exhaust system (2) by unscrewing bolts (3) IMPORTANTInstallation:  Clean connecting points free of combustion and corrosion residues.  
    TORQUE SPECIFICATION *BA49.10-P-1003-01S 
5 Unclip connector for right O2 sensor, downstream of TWC (G3/6x1) and electrical lines out of retaining clamps    
6 Unplug connector for right O2 sensor upstream of TWC (G3/4x1)    
7 Detach left catalytic converter (4) from central exhaust system (2) by unscrewing bolts (9) IMPORTANTInstallation:  Clean connecting points free of combustion and corrosion residues.  
    TORQUE SPECIFICATION *BA49.10-P-1004-01S 
8 Remove right catalytic converter (1) by unscrewing bolt (8) TORQUE SPECIFICATION *BA49.10-P-1001-01S 
DANGER Risk of injury from grazing 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
9 Remove bolts (7) and right catalytic converter (1) from exhaust manifold IMPORTANTInstallation:  Clean connecting points free of combustion and corrosion residues.  
    TORQUE SPECIFICATION *BA49.10-P-1002-01S 
REFER TO FORMS Notes on disposing of catalytic converters all OS49.10-P-1000-01A 
10 Detach right O2 sensor upstream of TWC and right O2 sensor downstream of TWC from right catalytic converter (1) IMPORTANT When replacing catalytic converter.
IMPORTANTInstallation:  Apply heat-resistant lubricant to thread of O2 sensor upstream of TWC and right O2 sensor downstream of TWC.
 
    Paste *BR00.45-Z-1005-06A 
11 Install in the reverse order    
INSPECT Checking     
12 Check installation position and clearance of exhaust system IMPORTANT The exhaust system must be mounted free of tension, align exhaust system if required.  
DANGER Risk of accident  caused by vehicle starting off by itself when engine is running. Risk of injury  caused by contusions and burns during starting procedure or when working near the engine as it is running Secure vehicle to prevent it from moving by itself.
Wear closed and snug-fitting work clothes.
Do not touch hot or rotating parts.
AS00.00-Z-0005-01A
13 Test run engine and check exhaust system for leaks    
EXHAUST SYSTEM

Number Designation Engine 113.964 in model 164.1 Engine 156.980 in model 164.1
BA49.10-P-1001-01S Bolt, catalytic converter bracket to catalytic convertor Nm 20 20
BA49.10-P-1002-01S Bolt, flange connection to exhaust pipe/exhaust manifold Nm 20 20
BA49.10-P-1003-01S Self-locking nut, rear muffler flange connection to three way catalytic converter Nm 20 20
BA49.10-P-1004-01S Bolt, center muffler flange connection to catalytic converter Nm 35 35
ENGINE MOUNT, ENGINE SUPPORT (ENGINE SIDE)

Number Designation Model 164
BA22.10-P-1007-03G Bolt, diagonal strut to engine crossmember Nm 45
BA22.10-P-1009-03G Bolt, diagonal strut to body Nm 45
REPAIR MATERIALS

Number Designation Order number
BR00.45-Z-1005-06A Paste A 000 989 76 51