Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2012 Mercedes Benz CL600FACTORY OEM SERVICE PROCEDURE
DTC Index - Fuel Controls (FSCU5/Tank): Application
FUEL CONTROLS APPLICATION (FSCU5/TANK)
| Model | Chassis Code | Engine Code | Model Year | Control Module |
|---|---|---|---|---|
| C300 | 204.054 | 272.947 | 2008 | FSCU5/Tank |
| C300 | 204.054 | 272.947 | 2009 | FSCU5/Tank |
| C300 | 204.054 | 272.947 | 2010 | FSCU5/Tank |
| C300 | 204.054 | 272.947 | 2011 | FSCU5/Tank |
| C300 (MT) | 204.054 | 272.947 | 2008 | FSCU5/Tank |
| C300 (MT) | 204.054 | 272.947 | 2009 | FSCU5/Tank |
| C300 (MT) | 204.054 | 272.947 | 2010 | FSCU5/Tank |
| C300 (MT) | 204.054 | 272.947 | 2011 | FSCU5/Tank |
| C300 4M | 204.081 | 272.948 | 2008 | FSCU5/Tank |
| C300 4M | 204.081 | 272.948 | 2009 | FSCU5/Tank |
| C300 4M | 204.081 | 272.948 | 2010 | FSCU5/Tank |
| C300 4M | 204.081 | 272.948 | 2011 | FSCU5/Tank |
| C300 4M | 204.081 | 272.948 | 2012 | FSCU5/Tank |
| C300 4M | 204.081 | 272.948 | 2013 | FSCU5/Tank |
| C300 4M | 204.081 | 272.948 | 2014 | FSCU5/Tank |
| C350 | 204.056 | 272.961 | 2008 | FSCU5/Tank |
| C350 | 204.056 | 272.961 | 2009 | FSCU5/Tank |
| C350 | 204.056 | 272.961 | 2010 | FSCU5/Tank |
| C350 | 204.056 | 272.961 | 2011 | FSCU5/Tank |
| CL550 4M | 216.386 | 273.968 | 2009 | FSCU5/Tank |
| CL550 4M | 216.386 | 273.968 | 2010 | FSCU5/Tank |
| CL600 Bi Turbo | 216.376 | 275.953 | 2009 | FSCU5/Tank |
| CL600 Bi Turbo | 216.376 | 275.953 | 2010 | FSCU5/Tank |
| CL600 Bi Turbo | 216.376 | 275.953 | 2011 | FSCU5/Tank |
| CL600 Bi Turbo | 216.376 | 275.953 | 2012 | FSCU5/Tank |
| CL600 Bi Turbo | 216.376 | 275.953 | 2013 | FSCU5/Tank |
| GL450 | 164.871 | 273.923 | 2009 | FSCU5 |
| GL450 | 164.871 | 273.923 | 2010 | FSCU5 |
| GL450 | 164.871 | 273.923 | 2011 | FSCU5 |
| GL450 | 164.871 | 273.923 | 2012 | FSCU5 |
| GL550 | 164.886 | 273.963 | 2009 | FSCU5 |
| GL550 | 164.886 | 273.963 | 2010 | FSCU5 |
| GL550 | 164.886 | 273.963 | 2011 | FSCU5 |
| GL550 | 164.886 | 273.963 | 2012 | FSCU5 |
| GLK350 | 204.956 | 272.991 | 2010 | FSCU5/Tank |
| GLK350 | 204.956 | 272.991 | 2011 | FSCU5/Tank |
| GLK350 | 204.956 | 272.991 | 2012 | FSCU5/Tank |
| GLK350 | 204.956 | 272.991 | 2013 | FSCU5/Tank |
| GLK350 4M | 204.987 | 272.971 | 2010 | FSCU5/Tank |
| GLK350 4M | 204.987 | 272.971 | 2011 | FSCU5/Tank |
| GLK350 4M | 204.987 | 272.971 | 2012 | FSCU5/Tank |
| GLK350 4M | 204.987 | 272.971 | 2013 | FSCU5/Tank |
| GLK350 4M | 204.987 | 272.971 | 2014 | FSCU5/Tank |
| ML350 4M | 164.186 | 272.967 | 2009 | FSCU5 |
| ML350 4M | 164.186 | 272.967 | 2010 | FSCU5 |
| ML350 4M | 164.186 | 272.967 | 2011 | FSCU5 |
| ML550 4M | 164.172 | 273.963 | 2009 | FSCU5 |
| ML550 4M | 164.172 | 273.963 | 2010 | FSCU5 |
| ML550 4M | 164.172 | 273.963 | 2011 | FSCU5 |
| R350 | 251.156 | 272.967 | 2009 | FSCU5 |
| R350 4M | 251.165 | 272.967 | 2009 | FSCU5 |
| R350 4M | 251.165 | 272.967 | 2010 | FSCU5 |
| R350 4M | 251.165 | 272.967 | 2011 | FSCU5 |
| S400 HYBRID | 221.195 | 272.974 | 2010 | FSCU5/Tank |
| S400 HYBRID | 221.195 | 272.974 | 2011 | FSCU5/Tank |
| S400 HYBRID | 221.195 | 272.974 | 2012 | FSCU5/Tank |
| S400 HYBRID | 221.195 | 272.974 | 2013 | FSCU5/Tank |
| S550 | 221.171 | 273.961 | 2009 | FSCU5/Tank |
| S550 | 221.171 | 273.961 | 2010 | FSCU5/Tank |
| S550 4M | 221.186 | 273.968 | 2009 | FSCU5/Tank |
| S550 4M | 221.186 | 273.968 | 2010 | FSCU5/Tank |
| S600 Bi Turbo | 221.176 | 275.953 | 2009 | FSCU5/Tank |
| S600 Bi Turbo | 221.176 | 275.953 | 2010 | FSCU5/Tank |
| S600 Bi Turbo | 221.176 | 275.953 | 2011 | FSCU5/Tank |
| S600 Bi Turbo | 221.176 | 275.953 | 2012 | FSCU5/Tank |
| S600 Bi Turbo | 221.176 | 275.953 | 2013 | FSCU5/Tank |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.