Remove/install heat shield - AR49.00-P-1000-01T

Risk of injury to skin and eyes caused by handling hot or glowing objects.

Wear safety gloves, protective clothing and safety glasses, if necessary.

SENSORS

Number	Designation		Engine 646.951/961/962/963/966
BA07.04-P-1004-01G	Bolt connecting pressure differential sensor to heat shield bracket	Nm	9

EXHAUST SYSTEM

Number	Designation		Engine 646.8	Engine 646.951/961/962/963/966 without code 474	Engine 646.951/961/962/963/966 with code 474	Engine 647
BA49.10-P-1012-01I	Bolt, heat shield to cylinder head	Nm	9	9	9	9
BA49.10-P-1013-01I	Bolt, heat shield bracket to cylinder head	Nm	9	9	9	-

EXHAUST SYSTEM

Number	Designation		Engine 648.961
BA49.10-P-1012-01I	Bolt, heat shield to cylinder head	Nm	9

Remove bolts (1) and heat shield (2)
Only for model 203, 209.

Fig 1: Identifying Heat Shield With Bolts (For Model 203, 209)
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Remove bolts (1) and heat shield (2)
Only for model 211 with code (474) Particulate filter

Fig 2: Identifying Heat Shield With Bolts (For Model 211)
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
Unclip electrical line for sensor from bracket (3)
Only for model 211 with code (474) Particulate filter
Remove bolts (1) and heat shield (2)
Only for model 211 with code (474) Particulate filter

Fig 3: Identifying Heat Shield, Bracket And Bolts
Courtesy of MERCEDES-BENZ OF NORTH AMERICA.