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.
2021 Mercedes Benz A220 BaseFACTORY OEM SERVICE PROCEDURE
Remove/Install Accelerator Pedal/Sensor - AR30.12-P-1321MFA
Model 118, 177, 243, 247
| Topical note | Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | |
| Notes on safety-relevant components | AH00.00-Z-0019-01A | ||
| Remove/install | |||
| 1 | Position left front seat rearwards to the full extent | ||
| 2 | Switch off ignition and store transmitter key outside of transmission range (min. 2 m) | ||
| 3 | Release and disconnect electrical connection (1) | ||
| 4 | Unscrew screw/bolt (2) | *BA29.10-P-1002-02L | |
| 5 | Remove accelerator pedal sensor (B37) | ||
| 6 | Install in the reverse order |
PEDALS, BEARING BRACKET
| Number | Designation | Model 118 | Model 177, 243, 247 | ||
|---|---|---|---|---|---|
| BA29.10-P-1002-02L | Bolt, accelerator pedal to pedal assembly | M6 | Nm | 7 | 7 |
Factory Service Tools
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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.
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