Common faults
This is where most owners arrive. Every page here covers what goes wrong on a modern Sprinter, how to tell it apart from the thing it gets confused with, what it costs to put right, and how to get it fixed without a franchised main dealer.
Sprinter AdBlue and SCR problems: the modern no-start trap
Why AdBlue and SCR faults are the number one reliability headache on the modern Sprinter, how to read the warnings, and how to get it fixed without a main dealer.
Read the guide →Sprinter timing chain problems: the OM651 rattle you must not ignore
Why the OM651 Sprinter can suffer timing chain stretch, the cold-start rattle that warns you, what happens if it lets go, and how to fix it affordably.
Read the guide →Sprinter automatic gearbox problems: the fluid is a service item
Harsh shifts, hunting and limp into one gear on the Sprinter auto, plus the overlooked fact that the gearbox fluid is a service item and not sealed for life.
Read the guide →Sprinter DPF problems and regeneration: causes, fixes and real costs
Why the Sprinter DPF blocks, how regeneration really works, what to do when the light comes on, and how to get it cleared or replaced without main-dealer prices.
Read the guide →Sprinter EGR valve and cooler problems: sooting, limp mode and lost regens
Why the Sprinter EGR valve clogs and the cooler fails, how it triggers limp mode and stalls a DPF regen, and how to get it fixed without a main dealer.
Read the guide →VS30 Sprinter battery drain: parasitic draw, modules and MBUX glitches
Why the VS30 Sprinter suffers flat batteries and parasitic drain, and how a specialist finds the draw without paying main-dealer rates.
Read the guide →Sprinter injector problems: black death, rough idle and overfuelling
Why Sprinter diesel injectors leak, carbon up and overfuel, how to spot black death early, and how a specialist reconditions or reseats them without a main dealer.
Read the guide →Sprinter rust and corrosion: where it bites and what it costs
Where the Sprinter rusts, why the T1N and early NCV3 are worst, what to inspect when buying, and the MOT and welding implications of structural corrosion.
Read the guide →Sprinter turbo actuator problems: sticking VGT, limp mode and lost power
Why the Sprinter variable geometry turbo actuator sticks and drops the van into limp mode, and how it is often recalibrated or replaced without a whole new turbo.
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