The ism (Intelligent Servo Module) used to shift gears in the W164, W212 S class etc are notorious for failing at any given time. Leaving the car with a no start scenario or gear is stuck in Park. The normal way of fixing this problem is to swap the module with another and have it programmed to the car but NOW THEY ARE REBUILDABLE,why send 350k to buy another when u can repair the damaged one with less than 35% of the cost, let's start saving the naira by repairing instead of buying another ,
Once you have this problem , scan the ism for the codes ,send the codes to us and we will tell you if it's repairable
We are located at No 3 Detumbo Street Adjacent Elebu Junction Akala Express New garage Ibadan, Call 07026017827 for enquiries

I remember working on one g63 with this problem, ISM is notorious for spoiling unexpectedly

MOTIONTECH:
I remember working on one g63 with this problem, ISM is notorious for spoiling unexpectedly

It occurs quite often ,even a simple glitch in the software will render it unusable

ISM, DSM are rebuildable, they can be flashed to work for different cars like the 164/251 can be flashed to work for the 221 etc , the Info on them can be copied to other units on the table , the faults in the mechanism will be corrected ,also faults in the board and software repaired

Save your money , repair yours don't buy a new one

Still rebuilding

Still repairing

2 months guarantee