Change Car Rear Silencer Mercedes-Benz C-Class
Change Car Rear Silencer
| Estimated time | 1h00–5h00 |
|---|---|
| Estimated labour cost | ~100–500£ |
| Difficulty | Easy |
| Vehicles |
C-Class 1993-2001 19
C-Class 2000-2007 28
C-Class 2007-2014 31
C-Class 2014-2022 26
C-Class 2021-2025 8
|
| Remove/refit the silencer | 1h00–2h30 |
| Repair the silencer* | 1h30 |
| Repair the front silencer* | 1h30 |
| Align the front silencer* | 0h30 |
| Remove/refit the main silencer | 0h45–2h00 |
| Renew the main silencer | 0h45–2h00 |
| Repair the main silencer | 0h30–0h45 |
| Align the main silencer | 0h30–0h30 |
| Difficult main silencer removal* | 0h30 |
| Remove/refit the rear silencer | 0h45–3h00 |
| Renew the rear silencer | 0h45–3h00 |
| Repair the rear silencer | 0h30 |
| Weld a sheet-metal repair panel onto the rear silencer* | 0h30–0h45 |
| Difficult rear silencer removal | 0h30 |
| Remove/refit the rear silencer trim | 0h30 |
| Renew the rear silencer trim | 0h30 |
| Remove/refit the exhaust pipe bracket | 0h30 |
| Renew the exhaust pipe bracket | 0h30 |
| Remove/refit both centre silencers | 1h00 |
| Remove/refit the rear left silencer | 0h45–1h30 |
| Difficult rear silencer removal* | 0h30 |
| Renew the silencer | 1h00–5h00 |
| Repair the main silencer* | 1h30 |
| Align the main silencer* | 0h30 |
| Renew the rear left silencer | 1h30 |
| Remove/refit the rear right silencer | 1h00–2h00 |
| Renew the rear right silencer | 1h00–2h00 |
| Remove/refit the rear silencer (Estate, Saloon) | 2h30 |
| Renew the rear silencer (Estate, Saloon) | 2h30 |
| Repair the rear silencer* | 1h30 |
| Remove/refit the rear left silencer trim | 0h30 |
| Renew the rear left silencer trim | 0h30 |
| Remove/refit the rear right silencer trim | 0h30 |
| Renew the rear right silencer trim | 0h30 |
| Remove/refit both rear silencer trims | 0h30 |
| Renew both rear silencer trims | 0h30 |
What is a Mercedes-Benz C-Class rear silencer?
The rear silencer (also called the back box or rear muffler) reduces exhaust noise to an acceptable level. It is located at the end of the exhaust line, after the catalytic converter, particulate filter (if fitted), and sometimes an intermediate silencer.
When should you change the Mercedes-Benz C-Class rear silencer?
No periodic replacement interval is specified. Carry out regular visual inspections for corrosion, holes, and deteriorated mounting rubbers. Signs that replacement is needed: louder exhaust noise, rattling from loose baffles, visible rust holes, exhaust fumes entering the cabin, or failure at the MOT/roadworthiness test.
Is it difficult to change the Mercedes-Benz C-Class rear silencer?
Difficulty level 2/5: technically easy but may require effort if bolts and clamps are rusted. Key steps: raise the vehicle, apply penetrating oil to clamp bolts, remove the clamp connecting the silencer to the intermediate pipe, remove the mounting rubber hangers, fit the new silencer with new gasket/clamp, reattach mounting rubbers, check for leaks with engine running.
5 models covered
| Model | Year Range | Engines covered | Fuel |
|---|---|---|---|
| C-Class 1993-2001 | 1993-2001 | 180, -T, -LPG LPG,Petrol (111.920), 180, -T, -LPG LPG,Petrol (111.921), 200 Diesel, -T Diesel (604.915), 200 Kompressor T Petrol (111.956), 200, -T Petrol (111.941), 200, -T Petrol (111.952), 200, -T, -LPG LPG,Petrol (111.945), 220 CDI, -T Diesel (611.960), 220 D Diesel (604.910… | Diesel, LPG, Petrol |
| C-Class 2000-2007 | 2000-2007 | 160 Kompressor Coupe, -LPG LPG,Petrol (271.921), 180 Kompressor, -T, -Coupe, LPG LPG,Petrol (271.946), 180, -T, -Coupe, -LPG LPG,Petrol (111.951), 200 CDI, -T Diesel (611.962), 200 CDI, -T Diesel (611.962), 200 CDI, -T Diesel (646.962), 200 CDI, -T, -Coupe Diesel (646.962), 200 … | Diesel, LPG, Petrol |
| C-Class 2007-2014 | 2007-2014 | 180 BlueEFF, -LPG LPG,Petrol (274.910), 180 CDI BlueEFF, -T Diesel (651.913), 180 CGi, -T, -Coupe, -LPG LPG,Petrol (271.820), 180 Kompressor BlueEFF, -T, -LPG LPG,Petrol (271.910), 180 Kompressor, -T, -LPG LPG,Petrol (271.952), 200 CDI BlueEFF Diesel (646.812), 200 CDI BlueEFF, … | Diesel, LPG, Petrol |
| C-Class 2014-2022 | 2014-2022 | 160 Petrol (264.915), 160, -T Petrol (274.910), 180 BlueTEC, -T Diesel (626.951 (R9M)), 180 D Diesel (654.916), 180 Petrol (264.915), 180, -T, -LPG LPG,Petrol (274.910), 200 BlueTEC, -T Diesel (626.951 (R9M)), 200 CDI Diesel (651.921), 200 D Diesel (654.916), 200 D Diesel (654.9… | Diesel, Electricity, LPG, Petrol |
| C-Class 2021-2025 | 2021-2025 | 180 EQ Boost 48V (MHEV),Petrol (254.915), 200 d EQ Boost 48V (MHEV),Diesel (654.820), 200 EQ Boost, -4MATIC 48V (MHEV),Petrol (254.915), 220 d EQ Boost, -4MATIC 48V (MHEV),Diesel (654.820), 300 d EQ Boost, -4MATIC 48V (MHEV),Diesel (654.820), 300 e Electricity,Petrol (254.920), … | 48V (MHEV), Diesel, Electricity, Petrol |