We have seen an increasing number of 4-cylinder powered Sprinters (OM651 engine) experiencing coolant loss, “limp-home mode”, and eventual widespread engine issues ranging from temperature control problems to power loss. We’ll go over what is happening, causes and repair procedures in this article. Common codes related to this problem: P0003313 – Charge Air bypass flap … Continue reading Sprinter 4-Cylinder OM651 Losing Coolant, Limp Home Mode – READ THIS!