Change Car Rear Silencer Mercedes-Benz GLC

Change Car Rear Silencer

Easy 1h00–2h00 ~100–200£
Estimated time 1h00–2h00
Estimated labour cost ~100–200£
Difficulty Easy
Remove/refit the silencer 1h00–2h00
Renew the silencer 1h00–2h00
Repair the silencer* 1h30
Repair the front silencer* 1h30
Align the front silencer* 0h30
Repair the main silencer* 1h30
Align the main silencer* 0h30
Difficult main silencer removal* 0h30
Repair the rear silencer* 1h30
Weld a sheet-metal repair panel onto the rear silencer* 0h45
Difficult rear silencer removal* 0h30
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
Remove/refit the left silencer 1h30
Renew the left silencer 1h30
Remove/refit the right silencer 1h30
Renew the right silencer 1h30
Remove/refit the rear silencer 1h00–1h30
Renew the rear silencer 1h00–1h30
Renew the centre silencer 5h00
Remove/refit the centre silencer 5h00

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

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View the service schedule for your GLC →