Remove install exhaust system complete - AR49.10-P-7000TS

ENGINE 272, 273 in MODEL 211 

Fig 1: Identifying Exhaust System Components

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

Fig 2: Identifying O2 Sensor TWC Connectors

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 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
	Notes on self-locking nuts and bolts		AH00.00-N-0001-01A
1	Raise vehicle with lifting platform		AR00.60-P-1000T
2	Detach the rear section of the lower engine compartment paneling	Installation:  Install engine compartment paneling only after the engine test run.	AR61.20-P-1105T
3	Remove crossmember (1)		*BA62.30-P-1001-01A
4	Unclip electrical connectors (G3/3x1, G3/4x1, G3/5x1, G3/6x1) and electrical lines for O2 sensors from the retaining clamps
5	Disconnect the electrical connectors (G3/3x1, G3/4x1, G3/5x1, G3/6x1) of O2 sensors
6	Detach the catalytic converter brackets (2, 3) from transmission		*BA49.10-P-1006-01T
7	Support the exhaust system (4) with a transmission jack and a transmission platform	Transmission jack http://gotis.aftersales.mercedes-benz.com  Transmission platform http://gotis.aftersales.mercedes-benz.com
8	Dismount the right catalytic convertor (5)and the left catalytic convertor (6) from the exhaust manifolds, to do this, unscrew the bolts (7, 8)	Installation:  Clean combustion and corrosion residues from connecting points and replace bolts (7, 8). Check rivet nuts in the exhaust manifolds and replace them if required: ↓
		Replace rivet nuts in exhaust manifold.	AR49.10-P-5531-01DA
			*BA49.10-P-1001-01T
9	Unhook the exhaust system (9) from the exhaust rubber mounts (4) at the right and left	To simplify removal: Apply liquid lubricant to the retaining brackets (10) and on the holes of the exhaust rubber mounts (9). Lubricant	*BR00.45-Z-1002-06A
10	Lower and remove the exhaust system (4)	Installation:  Check the exhaust rubber mounts (9) for wear and damage; replace if required.
11	Install in the reverse order
	Check
12	Check installation position and unobstructed movement of exhaust system (4)	The exhaust system (4) must be mounted free of tension; align the exhaust system (4) 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 running engine	Secure vehicle to prevent it from moving by itself. Wear closed and snug-fitting work clothes. Do not grasp hot or rotating parts.	AS00.00-Z-0005-01A
13	Conduct engine test run and inspect exhaust system (4) for leaks

CROSSMEMBER AND FRONT REINFORCEMENT

Number	Designation		Model 211
BA62.30-P-1001-01A	Bolt connecting crossmember to body	Nm	25

EXHAUST SYSTEM

Number	Designation		Engine 272, 273 in model 211
BA49.10-P-1001-01T	Bolt connecting catalytic converter to exhaust manifold	Nm	20
BA49.10-P-1006-01T	Bolt connecting catalytic converter bracket to transmission	Nm	20

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1002-06A	Lubricating paste, rubber parts 2.5 kg, DB supply specification 6867.00	A 000 989 01 60