KNOWN FAULTS · Mercedes-Benz

Mercedes-Benz Vito / Clase V (W447) 2.1 CDI (OM651, hasta 2019) common problems.

2014–2026 · Diesel

Sources are not verified in real time and no entry confirms that your car is affected.

2 known faults with sources

Chain, injectors and coolant leaksTiming / injection

Engine / equipment: OM651 2.1/2.2 CDI (C 200/220/250 CDI, E 200/220/250, GLK, Vito, Sprinter)
Period mentioned: 2008 onwards
Symptoms: Chain rattle on a cold start; on early units, loud injector knocking; coolant loss from the plastic coolant manifold or the EGR cooler.
Possible cause described: Plastic chain guide and a hydraulic tensioner that loses pressure (the chain is at the rear). Early units used problematic piezo injectors that Mercedes replaced in a campaign.
Check for the garage: Listen to a cold start, check the dealer's injector campaign history and check the coolant level.
Cost cited in the source: Chain: approx. €1,500–3,000 (estimate)A rough figure from the original database, not an up-to-date quote.

Applies if: Weak points of this model from inspections, breakdown statistics and recalls; anything specific to one engine is stated in the sheet.

Noises, climate control and campaigns on the Vito and V-Class W447Known weak points

Engine / equipment: Mercedes Vito and V-Class W447 (diesel and eVito/EQV)
Period mentioned: 2014 onwards
Symptoms: A knock from the rear axle of unclear origin, cabin rattles, air conditioning and auxiliary heater that do not always work and phone-connection problems.
Possible cause described: Many recalls (ADAC): missing spot welds on the rear cross-member and side members, an airbag that could deploy by itself, doors that could open in a side impact, corrosion weakening the body, NOx software, passenger-seat detection, steering assistance that could fail from corroded bolts and brake failure from the caliper carrier.
Check for the garage: Check every campaign by VIN; test the air conditioning and the auxiliary heater.
Cost cited in the source: No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.