One more thing, When you swivel the drivers seat around it will likely pull a small pair of wires (connector) apart because it may not be long enough or routed properly. It is the seat belt sensor and if you do pull it apart or break the wires the SRS warning light will go off on the dash. The dealer won't know why and will tell you you have to take it to a Mercedes or truck center to be diagnosed. All it is is the reconnection of the wires. Swivel the seat carefully while watching the wire and make sure it is properly routed and or long enough.
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