2009 - 2012 Mercedes Benz R350 OM642 3.0 - Performance ECU TuningPerformance Flash Tune for 2009 2012 Mercedes Benz R350 3. 0 OM642 with EDC17CP10 ECU. 2009 2012 R350 W251 CDI OM642 Diesel Stage 1 tune +30WHP +40WTQ at the wheels. Performance tuning modifies torque limiter maps, boost levels, fuel maps, and more. All to help safely increase HP TQ, while keeping good drive ability and factory fail safes limp protection in place. Factory emissions remain functional and are not disabled. Gains can vary on vehicle
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