Change Car Rear Silencer Mercedes-Benz SL

Change Car Rear Silencer

Easy 1h30–2h00 ~150–200£
Estimated time 1h30–2h00
Estimated labour cost ~150–200£
Difficulty Easy
Repair the silencer* 1h30
Repair the front silencer* 1h30
Align the front silencer* 0h30
Remove/refit the main silencer 1h30–2h30
Renew the main silencer 1h30–2h30
Repair the main silencer 0h30–0h45
Align the main silencer 0h30–0h30
Difficult main silencer removal* 0h30
Remove/refit the rear silencer 1h00
Renew the rear silencer 1h00
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 silencer 1h30–2h00
Renew the silencer 1h30–2h00
Remove/refit the left silencer 1h30
Renew the left silencer 1h30
Remove/refit the right silencer 1h30
Renew the right silencer 1h30
Remove/refit both silencers 1h30
Renew both silencers 1h30
Repair the main silencer* 1h30
Align the main silencer* 0h30
Repair the rear silencer* 1h30
Difficult rear silencer removal* 0h30
Remove/refit the rear left silencer 1h30
Renew the rear left silencer 1h30
Remove/refit the rear right silencer 1h30
Renew the rear right silencer 1h30

What is a Mercedes-Benz SL 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 SL 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 SL 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 SL maintenance plan (keep the SL token) →

3 models covered

Model Year Range Engines covered Fuel
SL 1989-2001 1989-2001 300 SL Petrol (103.984), 300 SL-24 Petrol (104.981) Petrol
SL 2001-2012 2001-2012 300 Petrol (272.949), 350 Petrol (272.966), 350 Petrol (272.968), 350, -LPG LPG,Petrol (112.973), 500, -LPG LPG,Petrol (113.963), 500/550 Petrol (273.965), 55 AMG EVO Petrol (113.995), 55 AMG Kompressor Petrol (113.992), 55 AMG Petrol (113.992), 600 Petrol (275.951), 600 Petrol … LPG, Petrol
SL 2012-2020 2012-2020 350 BlueEFF Petrol (276.954), 400 Petrol (276.825), 400/450 Petrol (276.825), 500/550 BlueEFF Petrol (278.927), 63 AMG Petrol (157.983), 63 AMG Petrol (157.983), 65 AMG V12 Petrol (279.981) Petrol

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View the service schedule for your SL →