I always thought of it like this.

Maintenance is when you replace something because it might break.

Repair is when you replace or repair something because it broke.

Thats how I see it in my rule book. hehe

Alon

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'92 300CE - Sold
2004 C240 - 744 - C7 Wheels - Android Radio
2002 C320 - 816 - Sport Wagon