benstorm53
Mercedes R Klasse Diesel Injection Issue
Summary of the thread
A 2017 Mercedes R Klasse diesel exhibited symptoms such as higher fuel consumption, loss of engine power, stalling, and smoke during acceleration, suggesting a potential issue with the fuel injection system. A defective cable or plug connection was suspected as a plausible cause. A diagnostic check using specialized equipment was recommended to confirm the issue. The problem was identified as a faulty plug connection in the injection system, which was repaired by a mechanic.
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4 comment(s)
benstorm53 (community.author)
Thanks for the quick reply What exactly does a 'diagnostic check' involve Is this something I can do myself or is specialized equipment required
theoschwarz67
A diagnostic check involves using specialized equipment to read error codes stored in your vehicle's engine control unit ECU The ECU is a computer that monitors and controls various aspects of the engine's operation including the fuel injection system While some basic OBD2 scanners are available for home use a professional-grade scanner can provide more detailed information Considering the symptoms I recommend taking your R Klasse to a qualified workshop for a thorough diagnosis A damaged fuel injection system can have a serious impact on the operation of your Diesel engine
benstorm53 (community.author)
Understood I took it to a local mechanic You were spot on it was a faulty plug connection in the injection system The repair cost 95€ Thanks for the advice
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MERCEDES
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RKLASSE
theoschwarz67
The symptoms you describe certainly point towards a potential issue with the fuel injection system Increased fuel consumption reduced power stalling and smoke are all common indicators A defective cable or plug connection affecting a component is a plausible cause I recommend a diagnostic check to confirm The fuel injection system is responsible for delivering fuel to the engine A malfunction in this system can drastically affect performance and fuel efficiency