Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Convenience function - GF91.29-P-2013GK
MODEL 163 as of 1.12.99 with CODE (221b) Electrically adjustable driver and passenger seat
MODEL 163 as of 1.12.99 with CODE (241) Memory for electrically adjustable left front seat
MODEL 163 as of 1.12.99 with CODE (242a) Memory for electrically adjustable right front seat
The convenience function allows the driver to control the electric seat adjustment even when the ignition is switched off To achieve this, the all-activity module (AAM) N10) switches to the corresponding loads via relay 1 (F2k1) circuit 30
Prerequisites for convenience function
The convenience function is active in the following cases:
- Terminal 15c ON or
- a front door is open
It switches off:
- 5 min after switching on or
- if a door is opened within 5 minutes after circuit 15 c OFF
Switch-on condition for circuit 15c
When the remote control key is inserted into the ignition lock, circuit 15 c switches on when the key is turned to the zero position. Circuit 15c switches off again only when the remote control key is removed from the ignition lock
| Electric seat adjustment without memory, function | GF91.29-P-0003GH | ||
| Electric seat adjustment with memory, function | as of 12.99 | GF91.29-P-0002GH |
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
