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REPOSTED -ML 500 W164 CHASIS FUNKY ELECTRICAL

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Old Nov 8, 2022 | 05:51 PM
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REPOSTED -ML 500 W164 CHASIS FUNKY ELECTRICAL

REPOSTED -ML 500 W164 CHASIS FUNKY ELECTRICAL

FOR ANY PERSON THAT HAS A LOT OF EXPERIENCE WORKING ON CARS – ESPECIALLY IN THE FACT MERCEDES

- MANY TIMES DOES NOT HAVE A CODE THAT SAYS EXACTLY WHAT IS WRONG -

----2006 ML500 W164 CHASSIS - HAS AN ELECTRICAL "MORNING SHOW" WHICH INCLUDES USUALLY TAKES 3 TO 5 TIMES TO START (TURN KEY NO CRANK/SILENCE) MULTIPLE DASHBOARD LIGHTS - ENGINE FAN RACING UP AND DOWN - RED BRAKE LIGHT BLINKS ON/OFF - MORNING RITUAL LASTS ABOUT 10 MINUTES THEN THE CAR RUNS FINE THE REST OF THE DAY - CAN DRIVE NO PROBLEM, PARK LET SIT NO PROBLEM

-SO THIS IS A MATTER OF WHAT COMPONENT SYSTEM – IS INVOLVED IMMEDIATELY ON START – THAT "REACTS" IN THAT MORNING PROCESS – BUT WHEN THE CAR ENGINE WARMS UP OR THIS SYSTEM IS "ACTUATED" OR "RELEARNED" THE CAR DRIVES FINE.

* ONE EXAMPLE – A SIMILAR OR SAME PROBLEM OCCURS IN THE W163 CHASSIS WHEN THE TPS NEEDS TO BE REPLACED – WHICH IS AN EASY FIX TO TRY – HOWEVER THE CLOSEST RELATIVE TO THAT FIX IN W164 IS REPLACING THE PEDAL ASSEMBLY/PEDAL ACCELERATOR SENSOR/INTERNAL – BUT WANT TO SEE IF THERE ARE SOME MORE POSSIBILITIES BEFORE THE EXPENSE AND TIME DOING THAT.

-THE INITIAL ENGINE LIGHT CODES – THAT COME AND GO ARE P0600 (GENERAL COMPUTER) AND AT ONE TIME IT WAS THROWING OUT P0221.

- - HAVE ALREADY REPLACED THE MAIN AND AUXILIARY BATTERY – TO THE BEST OF MY KNOWLEDGE THE ALTERNATOR IS TESTING WITHIN SPECS. SOME MECHANICS HAVE SEEN FIRST HAND THAT FOR EXAMPLE AN ALTERNATOR OVER CHARGING CAN CAUSE A FLURRY OF DIFFERENT ISSUES SIMILAR TO THIS – BUT IN THIS CASE THE ALTERNATOR APPEARS TO BE WITHIN SPECS

ANOTHER GUESS THAT WAS SUGGESTED WAS THE IGNITION SENSOR/ EIS – BUT THAT DOES NOT EXPLAIN THE MORNING SHOW – AND ALTHOUGH IT IS AN EXPENSIVE FIX – THE MOST EXPENSIVE FIX DOES NOT MEAN IT IS THE RIGHT FIX CONTRARY TO MANY MECHANIC'S THEORY -

- I WILL NOT POST HERE ABOUT THE AMOUNT OF THUGS AND FREAK MECHANICS THAT HAVE BEEN RIPPING ME OFF ON THIS CAR SINCE IT'S BEEN OUT OF WARRANTY - BUT NO NEED TO ADVISE ME TO GO TO A MECHANIC - OBVIOUSLY THAT IS NOT THE POINT OF POSTING IN THIS FORUM
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Old Nov 8, 2022 | 09:30 PM
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Check for water infiltration (leaks) at the rear luggage area. Use the search function for "W164 rear SAM". 164 is known for water leaks via the taillamps and this plays havoc on electronics including the rear SAM.
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