Repair Form

Mercedes-Benz C-Class 2.2 Diesel (1998–2007) Turbocharger

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Price range: £195.00 through £215.00 (Excl. 20% VAT)

Common Faults

  • Loss of power or limp mode, often with an underboost (P0299) or overboost (P0234) fault code
  • Blue or grey smoke from the exhaust
  • Whistling or siren noise that rises as the turbo spools up
  • Oil in the intercooler pipes or leaking from the turbo
  • Sticking vanes or wastegate, so boost comes in late, drops out or spikes
  • Shaft play or blade damage on the compressor wheel
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Description

Summary: A component-level rebuild of the turbocharger already on your Mercedes-Benz C-Class 2.2 Diesel. You post your own unit in; it is stripped, measured, rebuilt, balanced and bench-tested in our Epsom workshop, then sent back ready to refit. Choose your year and power output above to see the price for your car.

  • Suits: the Mercedes-Benz C-Class 2.2 Diesel, 1998 to 2007
  • Power outputs: 101, 114, 121, 123, 125, 134, 141, 147, 148, 150, 161, 168 bhp
  • Engine codes: 611962, 646811, 646812, 646962, 646963, OM 646 Evo, OM611, OM611 DE 22LA, OM611 W203, OM646, OM646E
  • Turbochargers fitted: 21 different part numbers across these years, made by Garrett
  • Rebuild price: £195 to £215 plus VAT, depending on which turbocharger your car carries
  • What this is: a repair service by post: your own turbocharger back, not an exchange unit
  • Warranty: lifetime, unlimited mileage

Finding Which One Your Car Has

You do not need the part number to order. Pick the year and power output that match your car and the price follows. If you are unsure of the power output, choose “Not sure”: the V5C logbook gives it in kilowatts at section P.2, and one kilowatt is about 1.34 bhp.

21 different turbochargers are catalogued for the C-Class 2.2 Diesel between 1998 and 2007: they look alike from the outside, but they are not interchangeable. If you have the turbocharger off the car already, the label on the housing carries its part number, and the Affected Part Numbers tab lists each one by year, power output and engine code. If the label is missing or unreadable, send it in anyway: we identify every unit on the bench before any work starts.

Sending Your C-Class Turbocharger In

  1. Choose your year and power output above, add the rebuild to your basket and check out.
  2. Complete the Repair Form. It gives you a repair reference and emails you a copy.
  3. Write that reference on a note inside the box, and on the outside of the box under our address.
  4. Plug or tape every port, pack the turbocharger so it cannot move, and post it to Unit 102 Reaver House, 12 East Street, Epsom, Surrey, KT17 1HX, United Kingdom.

On refitting, renew the oil feed and return lines rather than reusing them, and prime the oil feed before the engine first starts, so the new bearings are not run dry.

Turbo Repairs · Epsom workshop

Send your Mercedes-Benz C-Class 2.2 Diesel turbocharger in for rebuild

Choose your year and power output above and add the rebuild to your basket. Once you have ordered, the Repair Form gives you the reference that goes on your parcel.

Lifetime, unlimited-mileage warranty · Mail-in from the UK and internationally

Additional information

model

C-Class

Engine Size

2.2

years

1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007

BHP

101, 114, 121, 123, 125, 134, 141, 147, 148, 150, 161, 168, Not sure

Service

Repair Service (by post)

Affected Part Numbers

The turbochargers catalogued for the Mercedes-Benz C-Class 2.2 Diesel, 1998 to 2007, by year, power output and engine code. Match the part number on the label of your turbocharger. If yours is not listed, send it in anyway: we identify every unit on the bench before any work starts.

YearBHPEngine codeTurbo part numberRebuild
1998–2001101 / 114 / 134 / 141611962 / OM611704412-0001£205
1999125OM611700625-0001£195
1999125OM611700625-0002£195
2000141OM611 W203711006-0001£205
2000–2003101 / 114 / 134 / 141611962 / OM611 W203711006-0003£205
2000121OM611 DE 22LA715383-0001£195
2000123OM611716111-0001£195
2001121OM611 DE 22LA720477-0001£195
2001–2006101 / 121 / 134 / 147 / 148646962 / 646963 / OM646 Euro 3727461-0006£215
2001–2005101 / 121 / 134 / 148 / 150646962 / 646963 / OM646 Euro 4742693-0003£215
2002147OM646 Euro 3727461-0001£215
2003141OM611711006-0004£205
2003147OM646 Euro 3727461-0004£215
2003150OM646 Euro 4742693-0001£215
2004–2005147OM646 Euro 3727461-0005£215
2005150OM646 Euro 4742693-0002£215
2005150OM646742693-0004£215
2006147OM646 Euro 3727461-0007£215
2007168OM646E752990-0004£215
2007134OM 646 Evo752990-0006£215
2007134 / 161 / 168646811 / 646812 / OM 646 Evo752990-0007£215

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