New Mercedes Classe R Turbo – Ref. 794877-5009S
- 100% secure online payment
- Delivery to your garage or home, anywhere in Europe
- 12-month parts warranty
- Reconditioned and checked turbo
- Part
- Turbo
- Part type
- New turbo
- Make
- Mercedes
- Model
- Classe R
- Engine
- 350 CDI 265 ch
- Fuel
- Diesel
- Equivalent references
- 794877-5009S, 6420900186, 642090018680, 6420901486, 642090148680, 6420901786, 642090178680, 6420909580, 642090958080, A6420900186, A642090018680, A6420901486, A642090148680, A6420901786, A642090178680, A6420909580, A642090958080
- Warranty
- 12 months
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Signs of a worn turbo on the Mercedes Classe R 350 CDI
On the Mercedes Classe R fitted with the 350 CDI engine, a turbocharger that is nearing the end of its life will often make itself known through a loss of power under acceleration, an unusual whistling noise from the engine bay, blue or black exhaust smoke, and abnormal oil consumption. An illuminated engine warning light accompanied by the vehicle entering limp mode is also a common sign on this turbocharged V6 diesel, frequently linked to wear of the turbine shaft or a loss of seal integrity in the central housing.
A compatible new turbo for the Classe R 350 CDI
This new turbo is compatible with reference 794877-5009S, fitted to the Mercedes Classe R in the 350 CDI 265 ch variant, a 2987 cm³ diesel engine (engine codes OM642.872, OM642.950). Before placing an order, it is essential to check the reference shown on the label of the old turbo or the engine code on the vehicle registration document, as several turbo variants may exist depending on the year and version of the vehicle.
Warranty and delivery for this Classe R turbo
This new turbo is sold as a straightforward purchase: there is no old unit to return, and the turbo is delivered directly with no requirement to send back the old component. It comes with a 12-month parts warranty, subject to fitting being carried out by a qualified professional. Payment can be spread over multiple instalments, in up to 10 instalments.
Fitting advice for the OM642 engine in the Classe R
Before installing the new turbo, check the lubrication circuit (oil pressure and quality, condition of the oil strainer), the feed and return oil hoses, as well as the air intake and intercooler, to rule out any source of contamination. A full oil change using oil suited to the OM642 engine, along with replacement of the air filter, is recommended to protect the service life of the new turbo. On first start-up, prime the oil circuit before starting the engine to ensure immediate lubrication of the bearings.
This same turbo also fits
Signs of a worn turbo on the Mercedes Classe R 350 CDI
On the Mercedes Classe R fitted with the 350 CDI engine, a turbocharger that is nearing the end of its life will often make itself known through a loss of power under acceleration, an unusual whistling noise from the engine bay, blue or black exhaust smoke, and abnormal oil consumption. An illuminated engine warning light accompanied by the vehicle entering limp mode is also a common sign on this turbocharged V6 diesel, frequently linked to wear of the turbine shaft or a loss of seal integrity in the central housing.
A compatible new turbo for the Classe R 350 CDI
This new turbo is compatible with reference 794877-5009S, fitted to the Mercedes Classe R in the 350 CDI 265 ch variant, a 2987 cm³ diesel engine (engine codes OM642.872, OM642.950). Before placing an order, it is essential to check the reference shown on the label of the old turbo or the engine code on the vehicle registration document, as several turbo variants may exist depending on the year and version of the vehicle.
Warranty and delivery for this Classe R turbo
This new turbo is sold as a straightforward purchase: there is no old unit to return, and the turbo is delivered directly with no requirement to send back the old component. It comes with a 12-month parts warranty, subject to fitting being carried out by a qualified professional. Payment can be spread over multiple instalments, in up to 10 instalments.
Fitting advice for the OM642 engine in the Classe R
Before installing the new turbo, check the lubrication circuit (oil pressure and quality, condition of the oil strainer), the feed and return oil hoses, as well as the air intake and intercooler, to rule out any source of contamination. A full oil change using oil suited to the OM642 engine, along with replacement of the air filter, is recommended to protect the service life of the new turbo. On first start-up, prime the oil circuit before starting the engine to ensure immediate lubrication of the bearings.
This same turbo also fits
Frequently asked questions
Everything you need to know before ordering your part.
