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.
Priority Table For Load-Circuit Peak Reduction And Shut-Down Modes
Legend:
- X = Permitted operation at the priority level concerned
- PM bus telegram priority A devices = Control peak reduction-priority
- PM bus telegram priority B devices = Control peak reduction-comfort
- Priority level:
0= Normal operation without peak reduction (KL 15 "ON")
1= Terminal R "ON", generator defect or under voltage acknowledged.
4= Corresponds to max. peak reduction.
5= Corresponds to medium peak reduction
6= Corresponds to minimum peak reduction
| Consumer Circuit | Priority Level | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 1 | 4 | 5 | 6 | ||||||
| A | B | A | B | A | B | A | B | A | B | |
| Rear Window Defogger | ||||||||||
| Off | X | X | X | X | X | |||||
| Intermittent operation | X | X | X | |||||||
| On | X | |||||||||
| Seat Heaters | ||||||||||
| Switched off | X | X | X | X | X | |||||
| Temperature level 1 X | X | X | X | X | ||||||
| Temperature level 2 X | X | X | X | |||||||
| Temperature level 3 X | ||||||||||
| Maximum rated output | X | X | ||||||||
| Half rated output | X | X | X | X | ||||||
| Heater Fan | ||||||||||
| Speed 0 | X | X | ||||||||
| Speed 1 | X | X | X | X | ||||||
| Speed 2 | X | X | X | X | ||||||
| Speed 3 | X | X | X | |||||||
| Steering Wheel Heater | ||||||||||
| Level 0 | X | X | X | X | X | |||||
| Level 1 (clocked mode) | X | X | X | |||||||
| Level 2 (fast heat up) | X | X | ||||||||
| Mirror Heater | ||||||||||
| Off | X | X | X | X | X | |||||
| On | X | |||||||||
| Windshield Heater | ||||||||||
| Off | X | X | X | X | X | |||||
| On | X | |||||||||
| Wet Arm Heater | ||||||||||
| Off | X | X | X | X | X | |||||
| On | X | |||||||||
| Headlight Washer System | ||||||||||
| Off | X | X | X | X | X | |||||
| On | X | |||||||||
| Active Seat | ||||||||||
| Off | X | X | X | X | X | |||||
| On | X | X | ||||||||
| Seat Ventilation | ||||||||||
| Off | X | X | X | X | X | |||||
| On | X | X | X | |||||||
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.