2025 model year · 6,900+ owner reports · Updated September 2026
2025 · All trims · All engines
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According to Au7o's analysis of 6,900+ owner reports, the 2025 Mercedes-Benz Sprinter has 5 documented known issues, with 2 rated critical. The most serious are Diesel Injector Failure and Black Death (OM651/OM654) ($300-$3,000 repair) and DEF/AdBlue SCR System Faults and Derate ($500-$3,500 repair). The most commonly reported issue is Diesel Injector Failure and Black Death (OM651/OM654) with 2,400 owner reports. Across all issues with published estimates, repair costs range from $200 to $3,500. DIY maintenance guides at au7o.io.
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According to Au7o's analysis of 6,900+ owner reports, the 2025 Mercedes-Benz Sprinter has 5 documented issues. The most frequently reported are: Diesel Injector Failure and Black Death (OM651/OM654), DEF/AdBlue SCR System Faults and Derate, Glow Plug Failure and Cold Start Issues. Of these, 2 are rated critical and should be addressed promptly.
The 2025 Mercedes-Benz Sprinter has 5 known issues documented across 6,900+ owner reports. 2 issues are rated critical: Diesel Injector Failure and Black Death (OM651/OM654) and DEF/AdBlue SCR System Faults and Derate. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
Repair costs for known Mercedes-Benz Sprinter issues range from $200 to $3,500, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Diesel Injector Failure and Black Death (OM651/OM654), typically costs $300-$3,000 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
Sprinter diesel injectors develop seal failures leading to the "Black Death" condition where combustion gases leak past the injector copper washers, carbonizing and creating hard tar deposits around the injector bore. This is the most common and feared Sprinter repair, as advance… Repairs typically run $300-$3,000. Severity: high.
The Sprinter diesel exhaust fluid (DEF/AdBlue) selective catalytic reduction system is plagued by faults in the dosing module, NOx sensors, DEF heater, and SCR catalyst. Failures trigger the dreaded "engine derate" countdown that limits vehicle speed to 5 mph if not resolved, str… Repairs typically run $500-$3,500. Severity: high.
Content on this page was compiled with AI assistance using NHTSA complaints, TSBs, owner reports, and public automotive data. While we strive for accuracy, this information may contain errors. Always verify repair procedures and specifications with your vehicle's service manual or a qualified mechanic.
Sprinter glow plugs fail with age, causing hard starting in cold weather, rough idle when cold, and white smoke on startup. The OM642 V6 is particularly prone to glow plug seizure in the cylinder head, making removal difficult and risking broken glow plugs that require cylinder h… Repairs typically run $300-$1,500. Severity: medium.
Sprinters used for city delivery — frequent stops, short trips and long idles — rarely reach the exhaust temperatures needed to complete a DPF regeneration. Soot accumulates until the filter is restricted, lighting the DPF warning, reducing power and eventually forcing limp mode… Repairs typically run $300-$3,000. Severity: medium.
The Sprinter sliding door rollers and track wear out from the heavy door weight and frequent commercial use. The upper and center rollers are most commonly affected, causing the door to become difficult to open or close, bind in the track, or hang crooked. In commercial fleet use… Repairs typically run $200-$800. Severity: low.
