What is your question?
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What is your question?
If a code is reporting one is bad, should they all be replaced?
How long has your 2007 Mercedes-Benz E550 had this problem?
since yesterday after getting the car back form repair shop for replacing a cracked coolant reservoir tank.
1 Reply
You can four. You can get away with just one but because they are so cheap I'd do all four. Keep in mind that this year had some timing chain and gear issues so it's best to have this inspected by a shop that works on these kinds of cars. https://repairpal.com/repair-shops Alex