Remove/install catalytic converter (right) - AR49.10-P-5500GZO (ML350, GL450, GL550): Notes
WARNING: This page does not describe the selected car, but rather 28 other vehicles, including the 2012 Mercedes-Benz GL550, 2012 Mercedes-Benz GL450, 2011 Mercedes-Benz ML63, 2011 Mercedes-Benz ML550, and 2011 Mercedes-Benz ML350. However, it is still accessible from the selected car via links, so may be relevant.
ENGINE 272.967 in MODEL 164.1
Right catalytic converter
ENGINE 273.923 /963 in MODEL 164.8
Right catalytic converter
Shown on model 164.1 with engine 272
| 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 | |
| Notes on self-locking nuts and bolts | All models | AH00.00-N-0001-01A | |
| 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 | Raise vehicle | AR00.60-P-1000GZ | |
| 2 | Detach left catalytic converter (3) from central exhaust system (4) by unscrewing bolts (2) | ||
| *BA49.10-P-1004-01W | |||
| 3 | Detach right catalytic converter (1) from central exhaust system (4) by unscrewing bolts (5) | ||
| *BA49.10-P-1003-01W | |||
| 4 | Unclip connector for right O2 sensor upstream of TWC (G3/4x1) and connector for right O2 sensor downstream of TWC (G3/6x1) from retaining clamps on transmission and disconnect | ||
| 5 | Unclip electrical lines for right O2 sensor from clip (8) | ||
| 6 | Support right catalytic converter (1) with transmission jack and transmission platform | ||
| 7 | Remove bolt (7) for catalytic converter bracket on catalytic converter | *BA49.10-P-1001-01W | |
| 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 | |
| 8 | Remove bolts (6) and right catalytic converter (1) from exhaust manifold | ||
| Replace rivet nuts in exhaust manifold | AR49.10-P-5531-01GZ | ||
| *BA49.10-P-1002-01W | |||
| Notes on disposing of catalytic converters | OS49.10-P-1000-01A | ||
| 9 | Remove O2 sensors on right catalytic converter (1) | ||
| Paste | *BR00.45-Z-1005-06A | ||
| 10 | Install in the reverse order | ||
| Checking | |||
| 11 | Check installation position and clearance of exhaust system | ||
| 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 |
EXHAUST SYSTEM
| Number | Designation | Engine 272, 273 in model 164 | |
|---|---|---|---|
| BA49.10-P-1001-01W | Bolt, catalytic converter bracket to catalytic convertor | Nm | 20 |
| BA49.10-P-1002-01W | Bolt, flange connection to exhaust pipe/exhaust manifold | Nm | 20 |
| BA49.10-P-1003-01W | Self-locking nut, rear muffler flange connection to three way catalytic converter | Nm | 20 |
| BA49.10-P-1004-01W | Bolt, center muffler flange connection to catalytic converter | Nm | 35 |
REPAIR MATERIALS
| Number | Designation | Order number |
|---|---|---|
| BR00.45-Z-1005-06A | Paste | A 000 989 76 51 |