EngineHigh
EGR and DPF fouling on high-mileage diesel units
- Typically appears
- 90,000+ miles
- What to inspect
- Check for regeneration warning lights and evidence of regular motorway use
- Typical repair
- DPF forced regen or replacement · £250–£1,600
Is the 2014–2025 Mercedes-Benz V-Class reliable?
Scored from 8 documented faults · reviewed by the VehicleFaults Research Team
Quick answer
4.6/ 10
Buy with cautionOn our documented-fault scoring the Mercedes-Benz V-Class rates 4.6 out of 10 · buy with caution. We hold 8 known faults for it and 3 are rated high severity, so the risk is real but contained. The weak points cluster around engine, bodywork and suspension. A well-serviced example with evidence for the big-ticket items is usually a safe buy; the score describes the model, not the specific car in front of you.
Verdict · Walk unless the history is spotless
What the score is built from
- Critical
- 0
- High
- 3
- Medium
- 3
- Low
- 2
Weak points cluster around engine, bodywork, suspension, electrical.
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Check this carThe faults that decide it
TransmissionHigh
Harsh downshifts or juddering when pulling away, indicating torque converter wear or degraded ATF in 7G and 9G-Tronic units.
- Typically appears
- 70,000-100,000 miles
- What to inspect
- Select Drive, accelerate gently to 20mph, then brake to a halt. Feel for a noticeable clunk or hesitation as the gearbox shifts down into first.
- Typical repair
- EGR valve / cooler replacement · £300–£900
EngineHigh
Metallic rattling noise from the rear of the engine on cold start, indicating timing chain stretch on the 2.1-litre OM651 diesel.
- Typically appears
- 80,000-120,000 miles
- What to inspect
- Ensure the engine is completely cold. Open the bonnet, start the engine, and listen closely at the bulkhead for a sharp metallic rattle lasting 3-5 seconds.
- Typical repair
- Timing chain, tensioner & guides · £900–£2,400
BodyworkMedium
Sliding door motor and sensor failures on power-operated doors
- Typically appears
- 60,000+ miles
- What to inspect
- Operate both sliding doors fully via switch and handle to check smooth function
- Typical repair
- Electrical diagnosis & module repair · £120–£900
SuspensionMedium
Rear air suspension faults on longer wheelbase models
- Typically appears
- 70,000+ miles
- What to inspect
- Check ride height is level and listen for compressor running excessively
- Typical repair
- Suspension refresh (per axle) · £250–£1,100
Costs are indicative UK independent-garage bands for budgeting and negotiation · never a quote.
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