Used Mercedes-Benz C 250

What to know before buying: Mercedes-Benz C 250

From 3 forum threads and 2 press tests · updated 12/10/2026

What the reviews say

• The source ranks the 2014 W204 among the most reliable C-Class years, with the 2011 W204 rated almost as highly.[4]one source
• The W204 has a stiffer body and W221 S-Class-inspired styling, although its cabin is described as somewhat cramped.[4]one source
• C-Class owners praise handling, comfort, equipment and cabin design; this feedback covers the wider range, not only the C 250.[5]one source

Typical faults

• The 2012 C 250 drew mainly engine complaints: startup rattling, failures and two reported fires.[4]one source

  2012–2012

• For the 2013 C 250, the source reports camshaft-adjuster sensor faults and rough engine operation.[4]one source

  2013–2013

• A Mercedes specialist cites stretched chains and broken intake-manifold bolts on the OM651-powered C 250 CDI.[1]one source

  OM651

• At 72,000 km, a 2011 C 250 CDI owner reported cold-engine power loss, an approximately 2,500-rpm limit and a Boost Pressure Control A fault.[2]one source

  72 000–72 000 km · 2011–2011 · C 250 CDI

• The 2008–2010 C-Class is reported to suffer electric steering-lock failure, leaving the wheel locked and preventing startup.[5]one source

  2008–2010

• The 2008–2013 C-Class can develop rear-subframe corrosion; severe cases may affect control arms and allow them to detach.[5]one source

  2008–2013

Which engine and version to take

• Consider the OM651 diesel only after a thorough inspection: one forum member recommends it, while a Mercedes specialist flags chain and manifold-bolt risks in the C 250.[3][1]

What to avoid

• The source recommends avoiding the 2012 and 2013 C 250 because of numerous complaints, chiefly involving the engine.[4]one source
• In a Mercedes club discussion, the 1.8-litre M271 is called highly unsuccessful; the contributor advises avoiding it or buying only at very low mileage.[3]one source

What to check at the inspection

• Check the VIN and damage history, then have the car fully inspected by a Mercedes specialist.[3]one source
• On an OM651, listen for chain noise during a cold start and inspect the intake-manifold fasteners.[1]one source
• Verify documented automatic-transmission oil changes; a Mercedes specialist recommends a 60,000-km interval.[1]one source
• Test acceleration from cold in a C 250 CDI and scan it with Mercedes Star; the reported power loss disappeared after warm-up.[2]one source
• On 2008–2013 cars, carefully inspect the rear subframe and control-arm mounting areas for severe corrosion.[5]one source
• Use the VIN to check airbag recalls and confirm that every recall repair has been completed.[5]one source

Verdict

Sources

1. [1]mercedesklub.dk — Køb af Mercedes C250 - nogle bekymringer? · forum
2. [2]clubmercedes.ro — Probleme Motor, Acceleratie W204 C250 CDI · forum
3. [3]forum.benzua.com — Mercedes C250 w204 - на что смотреть при покупке? · forum
4. [4]cartriple.com — Mercedes-Benz C-Class Reliability: Which Years to Avoid? · press
5. [5]enginepatrol.com — 7 Most Common Mercedes-Benz C-Class Problems ... · press

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