(Remove/Install Rear Muffler - AR49.10-P-4952LW)
Engine 274.9, 276 in model 205
Modification notes
| 25.04.2017 | Remove rear-end floor cover, added. | Operation step 3 | |
| 25.04.2017 | Release and disconnect electrical connector of exhaust flap (5), added. | Operation step 6 |
Shown on model 205 with code U21 (AMG Performance exhaust system)
| Risk of burn injuries, suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust. | Wear protective clothing and safety glasses. Use the extraction system. Move people out ol the hazard area. | AS49.00-Z-0001-01A | |
| 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 avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | ||
| Remove/install | |||
| 1 | Remove underfloor paneling | Engine 274.9, 276 in model 205.4 | |
| AR61.30-P-1001LW | |||
| 2 | Release longitudinal member panels and press aside | Engine 274.9, 276 in model 205.4 | |
| AR88.80-P-6000LW | |||
| 3 | Remove rear-end floor cover | Engine 274.9, 276 in model 205.4 | |
| 4 | Remove rear diagonal struts | Engine 274.9, 276 in model 205.4 | |
| *BA61.10-P-1008-01L | |||
| 5 | Support rear mufflers (3) | ||
| 000 588 11 62 00 Major assembly mount | WS01.00-P-0092B | ||
| 000 588 10 62 00 Support plate | WS26.00-P-3309B | ||
| 6 | Release and disconnect electrical connection at exhaust flap (5) | Engine 274.9, 276 in model 205 with code U21 (AMG Performance exhaust system) |
|
| 7 | Remove elastomer bearings (4) of rear mufflers (3) | ||
| 8 | Take off clamp (2) | ||
| *BA49.10-P-1011-02A | |||
| 9 | Remove rear mufflers (3) | ||
| 10 | Separate rear mufflers (3) at separation point (t) with tube cutter | When replacing left or right rear muffler (3). |
|
| *BA49.10-P-1011-02A | |||
| Check | |||
| 11 | Check elastomer bearing (4) for wear and damage; replace if necessary | ||
| Clean | |||
| 12 | Remove combustion and corrosion residues at separation points of center exhaust system (1) and rear mufflers (3) | ||
| 13 | Install in the reverse order | ||
| 14 | Check installation position and unobstructed movement of rear mufflers (3), and correct if necessary | ||
| Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running. | Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. | AS00.00-Z-0005-01A | |
| 15 | Carry out an engine test run and check exhaust system for leaktightness |
Exhaust system
| Number | Designation | Engine 274 in model 205 | Engine 276 in model 205 | |
|---|---|---|---|---|
| BA49.10-P-1011-02A | Clamp, rear exhaust system to front exhaust system/rear exhaust system | Nm | 22 | 22 |
Frame floor assembly
| Number | Designation | Model 205 | |
|---|---|---|---|
| BA61.10-P-1008-01L | Bolt, rear diagonal strut to spare wheel well/body | Nm | 70 |