This leather is identified as chrome-tanned pigmented finishes and This Pigmented (P.a) is used as our reference guide.
These leather condition will require a restorative or corrective cleaning, however those worn and scratches highlighted in the red box may be up for a refinishing.
The general sequence of process may take this route:
A] Restorative Cleaning:
Restorative cleaning is done with Prep-7.7 > Clean-3.8 > Rinse-3.0 system.
B] Creases and Wrinkles:
Creases and wrinkles are relaxed out by using Hydrator-3.3. Products have to reach below surface through micro crazing or easiest are from the reverse suede side.
C] Leather Rejuvenating:
Leather rejuvenating for suppleness with softness and strength is done with Fatliquor-5.0 for below surface treatment.
E] Overstretching Repairs:
Overstretching below surface repairs are done with Impregnator-26.
D] ¬Abraded Surface Repairs:
Abraded surfaces are smoothened with Adhesor-73.
E] Color Coating:
Thickener-48 up to 10% is added to the custom color Micro-54 micro-pigment as flow control for easier application without dripping on vertical panels.
F] Top Coating:
Matching micro-top coating is available in 4 lusters level (gloss, satin, matte and dull) to match existing finishes.
G] Rub Resistant Protector:
Protector-B+ reduces wear to the leather finishes by imparting a buttery-feel with a classic leather scent or optional scentless “B” version.
You may use this Pigmented (P.a) Leather Problem Solving Guide as reference and follow this thread as example.
http://www.leathercleaningrestorationforum.com/forum/showthread.php?11821-1967-300SEL-Mercedes-Cleaning-Softening-Repairing-and-Refinishig-old-Mercedes-leather-seats
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Roger Koh
Leather Care Consultant
www.LeatherDoctor.com
[email protected]