I don't know what the alldata book says, or for that matter what the book time is but I did this job a couple of weeks ago and it took about 10 minutes per side.

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98 Dodge-Cummins pickup (137K)
13 GLK250 (157k)
06 E320CDI (341K)
16 C300 (89K)
82 300GD Gelaendewagen (54K)