Change Car Spark Plugs Mercedes-Benz C-Class

Change Car Spark Plugs

Easy 1h30–3h30 ~150–350£
Estimated time 1h30–3h30
Estimated labour cost ~150–350£
Difficulty Easy
Vehicles
C-Class 1993-2001 13
  • 180, -T, -LPG LPG,Petrol (111.920)
  • 180, -T, -LPG LPG,Petrol (111.921)
  • 200 Kompressor T Petrol (111.956)
  • 200, -T Petrol (111.941)
  • 200, -T Petrol (111.952)
  • 200, -T, -LPG LPG,Petrol (111.945)
  • 220 Petrol (111.961)
  • 230 Kompressor, -T, -LPG LPG,Petrol (111.975)
  • 230, -T, -LPG LPG,Petrol (111.974)
  • 240 T Petrol (112.915)
  • 240, -T, -LPG LPG,Petrol (112.910)
  • 280 Petrol (104.941)
  • 280, -T, -LPG LPG,Petrol (112.920)
C-Class 2000-2007 19
  • 160 Kompressor Coupe, -LPG LPG,Petrol (271.921)
  • 180 Kompressor, -T, -Coupe, LPG LPG,Petrol (271.946)
  • 180, -T, -Coupe, -LPG LPG,Petrol (111.951)
  • 200 CGI Kompressor, -T, -Coupe Petrol (271.942)
  • 200 Kompressor, -T, -Coupe, -LPG LPG,Petrol (271.940)
  • 200 Kompressor, -T, -Coupe, LPG LPG,Petrol (111.955)
  • 230 Kompressor Coupe, -LPG LPG,Petrol (111.981)
  • 230 Kompressor, -T, -Coupe, -LPG LPG,Petrol (271.948)
  • 230, -T, -Coupe, -LPG LPG,Petrol (272.920)
  • 240 4MATIC, -T Petrol (112.916)
  • 240, -T, LPG LPG,Petrol (112.912)
  • 280 4MATIC, T, -LPG LPG,Petrol (272.941)
  • 280, -T, -LPG LPG,Petrol (272.940)
  • 32 AMG Kompressor, -T Petrol (112.961)
  • 320 4MATIC, -T Petrol (112.953)
  • 320, -T, -Coupe, -LPG LPG,Petrol (112.946)
  • 350 4MATIC, -T, -LPG LPG,Petrol (272.970)
  • 350, -T, -Coupe Petrol (272.960)
  • 55 AMG, -T, -LPG LPG,Petrol (113.988)
C-Class 2007-2014 18
  • 180 BlueEFF, -LPG LPG,Petrol (274.910)
  • 180 CGi, -T, -Coupe, -LPG LPG,Petrol (271.820)
  • 180 Kompressor BlueEFF, -T, -LPG LPG,Petrol (271.910)
  • 180 Kompressor, -T, -LPG LPG,Petrol (271.952)
  • 200 CGi, -T Petrol (271.860)
  • 200 Kompressor, -T, -LPG LPG,Petrol (271.950)
  • 230, -T, -LPG LPG,Petrol (272.921)
  • 250 CGi, -T, -Coupe Petrol (271.860)
  • 280 4MATIC Petrol (272.948)
  • 280, -T, -LPG LPG,Petrol (272.947)
  • 350 4MATIC Petrol (272.971)
  • 350 CGI, -T Petrol (272.982)
  • 350, -4MATIC, -T Petrol (276.957)
  • 350, -T, -LPG LPG,Petrol (272.961)
  • 63 AMG "Black Series" Petrol (156.985)
  • 63 AMG, -T, -Coupe Petrol (156.985)
  • 63 AMG, -T, -Coupe Petrol (156.985)
  • 63 AMG, -T, -Coupe, -LPG LPG,Petrol (156.985)
C-Class 2014-2022 13
  • 160, -T Petrol (274.910)
  • 180, -T, -LPG LPG,Petrol (274.910)
  • 200 EQ Boost, -4MATIC Petrol (264.915)
  • 200, -4MATIC, -T Petrol (274.920)
  • 250, -T Petrol (274.920)
  • 300 EQ Boost, -4MATIC, -T Petrol (264.920)
  • 300 Petrol (274.920)
  • 350 E (Plug-in Hybrid) Electricity,Petrol (274.920)
  • 400 4MATIC Petrol (276.823)
  • 43 AMG 4MATIC Petrol (276.823)
  • 450 / 43 AMG 4MATIC Petrol (276.823)
  • 63 AMG Petrol (177.980)
  • 63 AMG S Petrol (177.980)
C-Class 2021-2025 1
  • 43 AMG 4MATIC 48V (MHEV),Petrol (139.580)

What is the role of Mercedes-Benz C-Class spark plugs?

The spark plug generates a spark at the precise moment needed to ignite the air/fuel mixture in the combustion chamber of petrol (or LPG) engines. The engine management system controls ignition timing.

When should you change your Mercedes-Benz C-Class spark plugs?

Manufacturers provide replacement recommendations; refer to your vehicle maintenance booklet. Generally replace every 60,000 km (45,000 km for severe use). Some vehicles with long-life plugs (titanium, platinum, iridium) can go 100,000–150,000 km.

How do I know if I need to change my Mercedes-Benz C-Class spark plugs?

Via the EOBD system (mandatory since 2001 on petrol cars), faulty spark plugs will trigger fault codes, typically P0301–P0304 (misfire, cylinders 1–4). Symptoms include: difficulty starting, misfires, reduced engine power, increased fuel consumption.

Is it difficult to change Mercedes-Benz C-Class spark plugs?

Difficulty level 2/5: technically easy but requires specific tools (spark plug wrench, torque wrench). Key points: wait for cold engine, clean plug well with compressed air before removal, never use a dropped plug, do not grease threads, hand-tighten then torque to specification.

View all compatible products →
View your C-Class maintenance plan (keep the C-Class token) →

5 models covered

Model Year Range Engines covered Fuel
C-Class 1993-2001 1993-2001 180, -T, -LPG LPG,Petrol (111.920), 180, -T, -LPG LPG,Petrol (111.921), 200 Diesel, -T Diesel (604.915), 200 Kompressor T Petrol (111.956), 200, -T Petrol (111.941), 200, -T Petrol (111.952), 200, -T, -LPG LPG,Petrol (111.945), 220 CDI, -T Diesel (611.960), 220 D Diesel (604.910… Diesel, LPG, Petrol
C-Class 2000-2007 2000-2007 160 Kompressor Coupe, -LPG LPG,Petrol (271.921), 180 Kompressor, -T, -Coupe, LPG LPG,Petrol (271.946), 180, -T, -Coupe, -LPG LPG,Petrol (111.951), 200 CDI, -T Diesel (611.962), 200 CDI, -T Diesel (611.962), 200 CDI, -T Diesel (646.962), 200 CDI, -T, -Coupe Diesel (646.962), 200 … Diesel, LPG, Petrol
C-Class 2007-2014 2007-2014 180 BlueEFF, -LPG LPG,Petrol (274.910), 180 CDI BlueEFF, -T Diesel (651.913), 180 CGi, -T, -Coupe, -LPG LPG,Petrol (271.820), 180 Kompressor BlueEFF, -T, -LPG LPG,Petrol (271.910), 180 Kompressor, -T, -LPG LPG,Petrol (271.952), 200 CDI BlueEFF Diesel (646.812), 200 CDI BlueEFF, … Diesel, LPG, Petrol
C-Class 2014-2022 2014-2022 160 Petrol (264.915), 160, -T Petrol (274.910), 180 BlueTEC, -T Diesel (626.951 (R9M)), 180 D Diesel (654.916), 180 Petrol (264.915), 180, -T, -LPG LPG,Petrol (274.910), 200 BlueTEC, -T Diesel (626.951 (R9M)), 200 CDI Diesel (651.921), 200 D Diesel (654.916), 200 D Diesel (654.9… Diesel, Electricity, LPG, Petrol
C-Class 2021-2025 2021-2025 180 EQ Boost 48V (MHEV),Petrol (254.915), 200 d EQ Boost 48V (MHEV),Diesel (654.820), 200 EQ Boost, -4MATIC 48V (MHEV),Petrol (254.915), 220 d EQ Boost, -4MATIC 48V (MHEV),Diesel (654.820), 300 d EQ Boost, -4MATIC 48V (MHEV),Diesel (654.820), 300 e Electricity,Petrol (254.920), … 48V (MHEV), Diesel, Electricity, Petrol

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View the service schedule for your C-Class →