Change Car Particulate Filter (DPF) Mercedes-Benz E-Class
Change Car Particulate Filter (DPF)
| Temps estimé | 0h30 |
|---|---|
| Coût estimé | ~50€ |
| Difficulté | Easy |
| Motorisations |
E-Class 1984-1996 2
E-Class 2002-2009 2
|
| Check the catalytic converter | 0h30 |
| Remove/refit the catalytic converter (without oxygen sensors) | 1h30 |
| Renew the catalytic converter (without oxygen sensors) | 1h30 |
| Remove/refit the catalytic converter | 1h30–2h00 |
| Renew the catalytic converter | 1h30–2h00 |
| Prepare the catalytic converter heat shield for installation* | 0h45 |
| Check the diesel particulate filter | 0h30 |
| Remove/refit the diesel particulate filter | 2h30 |
| Renew the diesel particulate filter | 3h00 |
| Disconnect the exhaust system from/reconnect it to the connector | 2h00 |
| Remove/refit the diesel particulate filter/catalytic converter assembly | 2h00 |
| Renew the diesel particulate filter/catalytic converter assembly | 2h00 |
What is a Mercedes-Benz E-Class particulate filter?
Diesel engines and direct-injection petrol engines produce soot particles. The particulate filter (DPF/GPF) traps these harmful particles as exhaust gases pass through its honeycomb structure. It is placed on the exhaust line after the catalytic converter.
How does the Mercedes-Benz E-Class particulate filter work?
As soot accumulates, the filter periodically burns off (regenerates) the trapped particles. Active regeneration raises exhaust temperatures to 550–600°C, burning soot to ash. This occurs every 300–500 km during normal motorway driving. Vehicles driven only on short urban trips may not regenerate properly, leading to blockage.
When should you change the Mercedes-Benz E-Class particulate filter?
The DPF is designed to last 150,000–250,000 km but depends on driving patterns. Signs of needed replacement: DPF warning light, engine in limp mode, excessive exhaust smoke, or diagnostic scan showing excessive back-pressure or failed regeneration cycles.
Can the Mercedes-Benz E-Class particulate filter be cleaned instead of replaced?
Yes, professional DPF cleaning can restore a blocked filter at a fraction of replacement cost. However, if the filter substrate is cracked, melted, or structurally damaged, replacement is the only option. Never use a DPF removal/delete service — it is illegal and will fail the MOT/emissions test.
Is it difficult to change the Mercedes-Benz E-Class particulate filter?
Difficulty level 2/5: technically straightforward but physically demanding due to the filter's location and weight. Key steps: raise the vehicle, disconnect pressure sensors, remove exhaust clamps/bolts, lower the old DPF, fit the new one with new gaskets, reconnect sensors, clear fault codes, perform a forced regeneration cycle.
2 générations couvertes
| Génération | Période | Motorisations | Carburant |
|---|---|---|---|
| E-Class 1984-1996 | 1984-1996 | 250 / 300 D TURBODIESEL, -TD Diesel (602.962), 280/300 E, -TE 24V, -LPG LPG,Gas (104.942), 300 / 260 E Gas (103.940), 300 CE, Cabrio Gas (103.983), 300 CE-24, Cabrio Gas (104.980), 300 D TURBODIESEL, -TD Diesel (603.960), 300 E, -TE Gas (103.983), 320 E, TE Gas (104.992) | Diesel, Gas, LPG |
| E-Class 2002-2009 | 2002-2009 | 300 CDI BlueTEC Diesel (642.920), 320 CDI, -T Diesel (648.961) | Diesel |
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