Good luck finding someone who will replace it and buy you a new one if he cracks it. I couldn't find anyone to stand behind his work, so I did my own rear glass. I'll be doing a windshield pretty soon, I expect. I can't say I have done one on a MBZ, but I have done 3 others , successfully.

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80 300SD (129k mi) 82 240D stick (193k mi)77 240D auto - stick to be (153k mi) 85 380SL (145k mi) 89 BMW 535i 82 Diesel Rabbit Pickup (374k mi) 91 Jetta IDI Diesel (155k mi) 81 VW Rabbit Convertible Diesel 70 Triumph Spitfire Mk III (63kmi)66 Triumph TR4a IRS (90k mi)67 Ford F-100 (??)