Change Car Glow Plugs Mercedes-Benz E-Class
Change Car Glow Plugs
| Estimated time | 1h30–3h00 |
|---|---|
| Estimated labour cost | ~150–300£ |
| Difficulty | Intermediate |
| Vehicles |
E-Class 1984-1996 6
E-Class 2002-2009 16
E-Class 2009-2016 17
E-Class 2016-2023 10
E-Class Coupe/Cabrio 2009-2016 6
E-Class Coupe/Cabrio 2017-2022 6
|
What is the role of Mercedes-Benz E-Class glow plugs?
Glow plugs are used in diesel engines to preheat the combustion chamber before starting, particularly in cold weather. Unlike petrol engines that use spark plugs to ignite the fuel, diesel engines rely on compression ignition. Modern glow plugs also remain active after starting to reduce emissions and noise during the warm-up phase.
When should you change your Mercedes-Benz E-Class glow plugs?
Generally, glow plugs last between 80,000 and 160,000 km. Symptoms of failing glow plugs include: difficulty starting in cold weather, white or grey exhaust smoke on start-up, rough idle during warm-up, the glow plug warning light remaining illuminated, and increased fuel consumption.
How do I know if the Mercedes-Benz E-Class glow plugs need changing?
Via the EOBD diagnostic system, faulty glow plugs will trigger fault codes (typically P0380–P0384 for glow plug circuit faults). Individual glow plug resistance can be measured with a multimeter (typically 0.5–2 ohms for a good plug).
Is it difficult to change Mercedes-Benz E-Class glow plugs?
Difficulty level 3/5: intermediate. Glow plugs can seize in the cylinder head over time due to heat and corrosion, making removal difficult and risking breakage. Key steps: warm the engine first, apply penetrating oil, use the correct glow plug socket, unscrew carefully (do not force — a broken glow plug requires specialist extraction).
7 models covered
| Model | Year Range | Engines covered | Fuel |
|---|---|---|---|
| E-Class 1984-1996 | 1984-1996 | 200 CE Petrol (102.963), 200 D, -TD Diesel (601.912), 200 E, -TE Petrol (102.963), 200, -T Petrol (102.922), 230 CE Petrol (102.982), 230 E, -TE Petrol (102.982), 250 / 300 D TURBODIESEL, -TD Diesel (602.962), 250 D, -TD Diesel (602.912), 260 E 4MATIC Petrol (103.943), 280/300 E… | Diesel, LPG, Petrol |
| E-Class 1996-2002 | 1996-2002 | 200, -T, -LPG LPG,Petrol (111.957), 240, -T, -LPG LPG,Petrol (112.914) | LPG, Petrol |
| E-Class 2002-2009 | 2002-2009 | 200 CDI Diesel (646.820), 200 CDI Diesel (646.951), 200 CDI Diesel (646.951), 200 CDI, -T Diesel (646.821), 200 Kompressor, -T, -LPG LPG,Petrol (271.941), 200 Kompressor, -T, -LPG LPG,Petrol (271.956), 200 NGT CNG,Petrol (271.956), 220 CDI, -T Diesel (646.821), 220 CDI, -T Diese… | CNG, Diesel, LPG, Petrol |
| E-Class 2009-2016 | 2009-2016 | 200 CDI BlueEFF, BlueTEC, -T Diesel (651.925), 200 CGI BlueEFF, -T, -L Petrol (271.860), 200 CGi, -LPG LPG,Petrol (274.920), 200 NGT BlueEFF CNG,Petrol (271.958), 200 NGT CNG,Petrol (274.920), 220 BlueTEC, -T Diesel (651.924), 220 CDI BlueEFF, -T Diesel (651.924), 250 BlueEFF Pe… | CNG, Diesel, LPG, Petrol |
| E-Class 2016-2023 | 2016-2023 | 180 Petrol (264.915), 180 Petrol (274.910), 200 D Diesel (654.920), 200 d, -T Diesel (654.916), 200 EQ Boost, -4MATIC 48V (MHEV),Petrol (264.920), 200, -4MATIC, -T Petrol (274.920), 220 d, -4MATIC Diesel (654.920), 220 D, -4MATIC, -T Diesel (654.920), 250, -T Petrol (274.920), 3… | 48V (MHEV), Diesel, Electricity, Petrol |
| E-Class Coupe/Cabrio 2009-2016 | 2009-2016 | 200 CGi BlueEFF Petrol (274.920), 220 CDI Diesel (651.911), 250 BlueTEC Diesel (651.911), 250 CDI Diesel (651.911), 250 Petrol (274.920), 300 BlueEFF Petrol (276.957), 320 Petrol (276.820), 350 BlueTEC Diesel (642.838), 350 CDI BlueEFF Diesel (642.838), 350 CDI Diesel (642.836),… | Diesel, Petrol |
| E-Class Coupe/Cabrio 2017-2022 | 2017-2022 | 200 EQ Boost, -4MATIC 48V (MHEV),Petrol (264.920), 200, -4MATIC Petrol (274.920), 220 D Diesel (654.920), 220 d, -4MATIC Diesel (654.920), 300 d Diesel (654.920), 300 Petrol (274.920), 300, EQ Boost 48V (MHEV),Petrol (264.920), 350 d 4MATIC Diesel (642.873), 350 d Diesel (656.92… | 48V (MHEV), Diesel, Petrol |