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top up coolant

  1. 5439

    SL63 AMG "Top up coolant" Head Bolt Failure on M156 Engine

    I have a broken head bolt on my 37k mile 2008 SL63. It all started with a "Top up coolant" warning as I was driving up the M1. Thank God for my MB Tier 1 warranty :crazy:
    • 5439
    • Thread
    • amg bolt engine failure head m156 sl63 top up coolant
    • Replies: 28
    • Forum: AMG Lounge
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