Change Car Spark Plugs Mercedes-Benz C-Class

Change Car Spark Plugs

Easy 1h30–3h30 ~150–350€
Temps estimé 1h30–3h30
Coût estimé ~150–350€
Difficulté Easy

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.

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2 générations couvertes

Génération Période Motorisations Carburant
C-Class 1993-2001 1993-2001 220 Gas (111.961), 230 Kompressor, -T, -LPG LPG,Gas (111.975), 230, -T, -LPG LPG,Gas (111.974), 280 Gas (104.941), 280, -T, -LPG LPG,Gas (112.920) Gas, LPG
C-Class 2000-2007 2000-2007 230 Kompressor Coupe, -LPG LPG,Gas (111.981), 230 Kompressor, -T, -Coupe, -LPG LPG,Gas (271.948), 230, -T, -Coupe, -LPG LPG,Gas (272.920), 240 4MATIC, -T Gas (112.916), 240, -T, LPG LPG,Gas (112.912), 280 4MATIC, T, -LPG LPG,Gas (272.941), 280, -T, -LPG LPG,Gas (272.940), 32 AMG… Gas, LPG

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