Change Car Turbo Mercedes-Benz CLK
Change Car Turbo
| Estimated time | 5h00–6h00 |
|---|---|
| Estimated labour cost | ~500–600£ |
| Difficulty | Very technical |
| Vehicles |
CLK 2002-2009 4
|
What is the role of the Mercedes-Benz CLK 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 CLK 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 CLK 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 CLK 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 CLK 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.
2 models covered
| Model | Year Range | Engines covered | Fuel |
|---|---|---|---|
| CLK 1997-2002 | 1997-2002 | 200 Kompressor Cabriolet, -LPG LPG,Petrol (111.956), 200 Kompressor, -LPG LPG,Petrol (111.956), 230 Kompressor Cabriolet, -LPG LPG,Petrol (111.982), 230 Kompressor, -LPG LPG,Petrol (111.982), 55 AMG Cabriolet Petrol (113.984) | LPG, Petrol |
| CLK 2002-2009 | 2002-2009 | 200 Kompressor Petrol (271.942), 200 Kompressor, -LPG LPG,Petrol (271.940), 200 Kompressor, -LPG LPG,Petrol (271.955), 220 CDI Diesel (646.963), 220 CDI Diesel (646.966), 240, -LPG LPG,Petrol (112.912), 270 CDI Diesel (612.967), 280, -LPG LPG,Petrol (272.940), 320 CDI Diesel (64… | Diesel, LPG, Petrol |
