The car will drow when it set for 30 min or more but when the engine is started and the car put in drive.
Car sits for 30 min left side drops, levels out when started and put in drive. on 2004 Mercedes-Benz SL500
poss leak in air bag or air lines, seek diag and est
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air lift suspensenssion. possible leak on side effected. bring in to shop for pressure testing.