Hello Fred Berry:
Precision Auto Designs (www.precisionauto.com) has the following:
Special Offer from Germany! SALE!! Executive desk in solid burlwood with matching leather interior. Use your rear seating for your mobile office or just entertain in style. Hand-crafted in Germany of exotic walnut burlwood and pre-installed in newly upholstered seat backs that will allow fast and easy installation. Available for all 1992+ S class 4 door and new 124 Mercedes autos. $699 ea. Shipping $24
Custom made to order, allow 2-4 weeks delivery.
You can try them on the net or call them at 800-222-7253.