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.
Maintenance Service Reminder Reset - Procedure 08: AP00.20-P-0042TA
1993 Mercedes Benz 400ESECTION AP00.20-P-0042TA
| Step | Adjust | Additional Information |
|---|---|---|
| 1 | Close trunk lid or liftgate as well as engine hood and doors | Vehicles with code (491) USA version or code (494) USA version |
| 2 | Turn key in ignition switch to position "1". | |
| 3 | Press system selection button (S110s3) repeatedly until the basic display (kilometer reading or temperature display) or speed display is shown in the multifunction display (A1p13) | |
| 4 | Briefly press trip odometer reset button (A1s3) 3 times. | An acoustic signal can be heard and the voltage is shown in the multifunction display (A1p13). |
| 5 | Press lower scroll forward/back button (S110s1) | The "Service menu" appears in the multifunction display (A1p13). |
| 6 | Press buttons + and -, setting of specific functions and volume control (S111s1) repeatedly and select "Confirmation" menu item | |
| 7 | Press lower system selection button (S110s3) to confirm. | "Confirmation" appears in the multifunction display (A1p13) and the menu item "Complete service" is highlighted. |
| 8 | Press lower system selection button (S110s3) to confirm. | "Service confirmed" appears in the multifunction display (A1p13). |
| 9 | Press the top system selection button (S110s3) repeatedly until the "Service menu" is shown in the multifunction display (A1p13) | |
| 10 | Using the + and - buttons, setting of specific functions and volume control (S111s1) select the menu item "Special work" | |
| 11 | Press lower system selection button (S110s3) to confirm. | |
| 12 | Using the + and - buttons, setting of specific functions and volume control (S111s1), select menu item "Service 13" | |
| 13 | Press lower system selection button (S110s3) to confirm. | |
| 14 | Select the engine oil grade used by pressing the + and - buttons, setting of specific functions and volume control (S111s1). | The number of selection options may vary depending on the engine. |
| 15 | Press lower system selection button (S110s3) to confirm. | The message "Position confirmed" appears in the multifunction display (A1p13). |
| 16 | Press system selection button (S110s3) repeatedly until the basic display (kilometer reading or temperature display) or speed display is shown in the multifunction display (A1p13) | |
| 17 | Turn key in ignition switch to position "0". |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.