Remove/install primary catalytic converter (near-engine mounted) - AR49.10-P-5510GZB

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 Mercedes-Benz ML350, 2010 Mercedes-Benz ML350, 2009 Mercedes-Benz ML320, 2009 Mercedes-Benz GL320, and 2008 Mercedes-Benz ML320. However, it is still accessible from the selected car via links, so may be relevant.

ENGINES 642 in MODEL 164

Fig 1: Removing/Installing Primary Catalytic Converter (1 Of 2)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 2: Removing/Installing Primary Catalytic Converter (2 Of 2)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

	Remove/install
	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
	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
	Notes on self-locking nuts and bolts	All models	AH00.00-N-0001-01A
1	Open engine hood and raise to vertical position		AR88.10-P-1000GZ
2	Remove air filter housing	Right side.	AR09.10-P-1150GZC
3	Remove bolts (2) and turbocharger heat shield (1)
4	Remove bolts (4) and take off engine suspension lug
5	Remove primary catalytic converter (near- engine mounted) from turbocharger by removing bolts (5)	Installation: Clean connecting points free of combustion and corrosion residues.
			*BA49.10-P-1006-01U
6	Unscrew nut (6) and remove primary catalytic converter (near-engine mounted) from bracket
			*BA49.10-P-1007-01U
	Risk of death caused by vehicle slipping or toppling off of 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
7	Raise vehicle		AR00.60-P-1000GZ
8	Remove catalytic converter		AR49.10-P-5500GZQ
9	Remove primary catalytic converter (near-engine mounted)
10	Install in the reverse order
	Checking
11	Check installation position and clearance of exhaust system	The exhaust system must be mounted free of tension, align exhaust system if required.
	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
12	Test run engine and check exhaust system for leaks		AS00.00-Z-0005-01A

EXHAUST SYSTEM

Number	Designation		Engine 642 in model 164 without Code U42
BA49.10-P-1006-01U	Bolt, turbocharger hose clamp to primary catalytic converter	Nm	20
BA49.10-P-1007-01U	Self-locking nut, primary catalytic converter to bracket	Nm	14