Change Car Rear Silencer Mercedes-Benz S-Class

Change Car Rear Silencer

Easy 1h30–2h30 ~150–250£
Estimated time 1h30–2h30
Estimated labour cost ~150–250£
Difficulty Easy
Remove/refit the left silencer 1h30–2h30
Renew the left silencer 1h30–3h30
Remove/refit the right silencer 1h30–2h30
Renew the right silencer 1h30–3h30
Remove/refit both silencers 1h30–2h30
Renew both silencers 2h00–3h30
Repair the silencer 0h45
Repair the front silencer* 1h30
Align the front silencer* 0h30
Repair the main silencer 0h30
Align the main silencer* 0h30
Difficult main silencer removal* 0h30
Remove/refit the rear silencer 1h00–3h00
Renew the rear silencer 1h00–3h00
Repair the rear silencer 0h30
Weld a sheet-metal repair panel onto the rear silencer* 0h45
Difficult rear silencer removal* 0h30
Repair the silencer* 1h30
Remove/refit the main silencer 1h30–2h30
Renew the main silencer 1h30–2h30
Remove/refit the rear left silencer 1h30–3h00
Renew the rear left silencer 1h30–3h00
Remove/refit the rear right silencer 1h30–3h00
Renew the rear right silencer 1h30–3h00
Remove/refit the silencer 1h30–2h00
Renew the silencer 1h30–2h00
Repair the main silencer* 1h30
Repair the rear silencer* 1h30
Remove/refit the rear left silencer trim 2h00
Renew the rear left silencer trim 2h00
Remove/refit the rear right silencer trim 2h00
Renew the rear right silencer trim 2h00
Remove/refit both rear silencer trims 2h30
Renew both rear silencer trims 2h30

What is a Mercedes-Benz S-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 S-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 S-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.

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View your S-Class maintenance plan (keep the S-Class token) →

5 models covered

Model Year Range Engines covered Fuel
S-Class 1999-2006 1999-2006 280, -L Petrol (112.922), 320 CDI Diesel (613.960), 320 CDI, -L Diesel (648.960), 320, -L, -LPG LPG,Petrol (112.944), 350 4MATIC, -L Petrol (112.975), 350, -L, -LPG LPG,Petrol (112.972), 400 CDI, -L Diesel (628.960), 400 CDI, L Diesel (628.960), 430 4MATIC, -L, -LPG LPG,Petrol (… Diesel, LPG, Petrol
S-Class 2005-2013 2005-2013 250 CDI BlueEFF Diesel (651.961), 300 Petrol (272.946), 320 CDI Diesel (642.930), 320/350 CDI 4MATIC Diesel (642.932), 350 4MATIC, -LPG LPG,Petrol (272.975), 350 BlueTEC 4MATIC Diesel (642.868), 350 BlueTEC Diesel (642.862), 350 CDI 4MATIC BlueEFF Diesel (642.932), 350 CDI BlueE… Diesel, Electricity, LPG, Petrol
S-Class 2013-2020 2013-2020 300 BlueTEC Hybrid Diesel,Electricity (651.921), 320 Petrol (276.824), 350 BlueTEC 4MATIC Diesel (642.867), 350 BlueTEC, -4MATIC Diesel (642.861), 350 d, -4MATIC Diesel (656.929), 400 4MATIC Petrol (276.824), 400 d, -4MATIC Diesel (656.929), 450 EQ Boost, - 4MATIC Petrol (256.93… Diesel, Electricity, Petrol
S-Class 2021-2025 2021-2025 350 d, -4MATIC Diesel (656.929), 500 4MATIC 48V (MHEV),Petrol (256.930) 48V (MHEV), Diesel, Petrol
S-Class Coupe/Cabrio 2014-2020 2014-2020 400/450 4MATIC Petrol (276.824), 500/550, -4MATIC Petrol (278.929), 63 AMG 4MATIC Petrol (177.980), 63 AMG, -4MATIC Petrol (157.985), 65 AMG Petrol (279.980) Petrol

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View the service schedule for your S-Class →