Change Car Turbo Mercedes-Benz C-Class

Change Car Turbo

Very technical 3h00–17h00 ~300–1700£
Estimated time 3h00–17h00
Estimated labour cost ~300–1700£
Difficulty Very technical
Vehicles
C-Class 1993-2001 4
  • 220 CDI, -T Diesel (611.960)
  • 220 Diesel, -T Diesel (604.910)
  • 250 Diesel Diesel (605.910)
  • 250 Turbodiesel, -T Diesel (605.960)
C-Class 2000-2007 8
  • 200 CDI, -T Diesel (611.962)
  • 200 CDI, -T, -Coupe Diesel (646.962)
  • 200 CDI, -T, -Coupe Diesel (646.963)
  • 220 CDI, -T, -Coupe Diesel (611.962)
  • 220 CDI, -T, -Coupe Diesel (646.963)
  • 270 CDI, -T Diesel (612.962)
  • 30 CDI AMG, -T, -Coupe Diesel (612.990)
  • 320 CDI, -T Diesel (642.910)
C-Class 2007-2014 17
  • 180 BlueEFF, -LPG LPG,Petrol (274.910)
  • 180 CDI BlueEFF, -T Diesel (651.913)
  • 180 CGi, -T, -Coupe, -LPG LPG,Petrol (271.820)
  • 200 CDI BlueEFF Diesel (646.812)
  • 200 CDI BlueEFF, -T Diesel (651.913)
  • 200 CDI, -T Diesel (646.811)
  • 200 CGi, -T Petrol (271.860)
  • 220 CDI 4MATIC Diesel (651.912)
  • 220 CDI BlueEFF, -T, -Coupe Diesel (651.911)
  • 220 CDI, -T Diesel (646.811)
  • 250 CDI BlueEFF 4MATIC, -T Diesel (651.912)
  • 250 CDI BlueEFF, -T, -Coupe Diesel (651.911)
  • 250 CGi, -T, -Coupe Petrol (271.860)
  • 300 CDI 4MATIC, -T Diesel (642.832)
  • 320 CDI 4MATIC, -T Diesel (642.961)
  • 320 CDI, -T Diesel (642.960)
  • 350 CDI, -T Diesel (642.830)
C-Class 2014-2022 26
  • 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 (654.920)
  • 200 EQ Boost, -4MATIC Petrol (264.915)
  • 200, -4MATIC, -T Petrol (274.920)
  • 220 BlueTEC, -4MATIC, -T Diesel (651.921)
  • 220 D, -4MATIC, -T Diesel (654.920)
  • 220 D, -4MATIC, -T Diesel (654.920)
  • 250 BlueTEC, -4MATIC, -T Diesel (651.921)
  • 250, -T Petrol (274.920)
  • 300 d, -4MATIC Diesel (654.920)
  • 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 8
  • 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)
  • 300 EQ Boost, -4MATIC 48V (MHEV),Petrol (254.920)
  • 43 AMG 4MATIC 48V (MHEV),Petrol (139.580)
Renew the turbocharger LHD 3h30–8h00
Renew the turbocharger RHD 3h30–9h00

What is the role of the Mercedes-Benz C-Class turbo?

The turbocharger increases engine power by compressing the intake air, allowing more air (and therefore more fuel) into the combustion chambers. It is driven by exhaust gases spinning a turbine at speeds up to 250,000 rpm. The compressed intake air passes through an intercooler to reduce its temperature before entering the engine.

What are the symptoms of a failing Mercedes-Benz C-Class turbo?

Common symptoms include: loss of engine power or boost, excessive exhaust smoke (blue/white for oil burning, black for over-fuelling), whining or whistling noise from the turbo area, engine warning light or turbo fault codes, oil leaks at the turbo housing, increased oil consumption.

What causes Mercedes-Benz C-Class turbo failure?

The main causes are: oil starvation (blocked or restricted oil feed lines, low oil level, poor oil quality), foreign object ingestion, excessive exhaust temperature, worn bearings due to high mileage, and contaminated oil. Always investigate and fix the root cause before fitting a replacement turbo.

Can a Mercedes-Benz C-Class turbo be reconditioned?

Yes, turbo reconditioning is a common and cost-effective alternative to buying new. A reputable service will disassemble, inspect, replace worn parts, rebalance, and test the unit. Expect to pay 30–60% of the new price.

Is it difficult to change a Mercedes-Benz C-Class turbo?

Difficulty level 5/5: very technical. The turbo is connected to both the intake and exhaust systems, requiring numerous disassembly steps. Approximately 5 hours on average for a professional mechanic. Key precautions after fitting: change the engine oil and filter, prime the turbo with oil before starting, allow the turbo to cool down after hard driving by idling for 30 seconds before switching off.

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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Easy 2h00–2h30
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Easy 1h30–2h30
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Easy 0h30–2h00
Change Car Glow Plugs

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Intermediate 1h30–3h30
Change Car Handbrake Cable

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Very easy 0h30–2h30
Change Car Oil Filter

Change Car Oil Filter

Easy 0h30–1h30
Change Car Particulate Filter (DPF)

Change Car Particulate Filter (DPF)

Easy 0h30–2h30
Change Car Rear Silencer

Change Car Rear Silencer

Easy 1h00–5h00
Change Car Shock Absorbers

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Easy 2h00–6h00
Change Car Spark Plugs

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Easy 1h30–3h30
Change Car Water Pump

Change Car Water Pump

Easy 1h30–18h00
View the service schedule for your C-Class →