2025 Mercedes-Benz CLA 250 4MATIC

Check/test procedure: 1. Open hood. 2. Check clinch points against fault pattern A (Figure 2) or fault pattern B (Figure 3). Visual inspection of the 12 potentially affected clinch points (Figure 1). A. If clinch points (Figure 1) are found to have defects consistent with fault pattern A (Figure 2), proceed with Work procedure for fault pattern A. B. If clinch points (Figure 1) are found to have defects consistent with fault pattern B (Figure 3), proceed with Work procedure for fault pattern B. C. If all 12 clinch points (Figure 1) are found to be correct (Figure 4), terminate measure. Figure 4: Correct clinch point If all 12 clinch points are correct (Figure 4), terminate measure. Work procedure for fault pattern A: 1. Degrease surface of work area. 2. Apply transparent seam seal to the work area. 3. Use a paintbrush to spread the transparent seam seal in the work area. Work procedure for fault pattern B: 1. Degrease work area. 2. Sand down work area. 3. Remove any protruding pieces of the affected clinch points (Figure 1 & 3). 4. Restore the paintwork with a touch-up paint pen matching the color of the vehicle. 5. Degrease work area. 6. Apply transparent seam seal to the work area. 7. Use a paintbrush to spread the transparent seam seal in the work area.

Complaint CEL light on with no drivability concerns. Cause Signal timing error. Remedy 167, 465: SW has been released. Update the FSAM to the latest SW version. 290, 118, 243, 247: Software is still in development. This fault code does not cause a drivability concern and will clear itself within 2-3 key cycles. The vehicle can be released back to the customer.

Single throttle lift-off clunking noise from the side shaft when moving off (audible at the outboard end). The noise is heard once in each instance when changing direction of travel. Note: Sound file in attachment Cause If the complaint is eliminated by experimentally loosening the outboard collar nut (by 1 turn), the problem is due to cracking of the microweld between the wheel bearing inner race and the joint housing of the side shaft. Note: The collar nut must always be replaced after being loosened. See also LI33.20-P-078406 Remedy Coat contact surface of side shaft with wheel bearing with Molykote paint. To do this, proceed as follows: 1. Remove side shafts 2. Clean contact surface A (see image file in attachment "Outer joint housing before") before coating with Molykote, using "spirit" (free of dust and grease) 3. Coat contact surface A (see image file in attachment "Outer joint housing after") with Molykote and leave to dry for "one hour" in removed condition 4. Reinstall side shafts Note: Before using the antifriction coating (Molykote), stir it or shake it thoroughly for (at least 1 minute).

Complaint Radio station cover art does not refresh when switching stations. The UI continues to show the old station’s artwork instead of updating to the new one. Cause When a new station change request is triggered, a temporary glitch is causing the Head Unit application to fail to overwrite the previous request. This glitch is causing the cover art mismatch in the Radio application. Remedy Please do not replace any parts. The E505.9 software is released and available in XENTRY Q3 2026.

Complaint CEL light on with no drivability concerns. Cause Signal timing error. Remedy 167: SW has been released. Update the FSAM to the latest SW version. 465, 290, 118, 243, 247: Software is still in development. This fault code does not cause a drivability concern and will clear itself within 2-3 key cycles. The vehicle can be released back to the customer.

Complaint Service code B1 displayed in the customer menu does not match the workshop code displayed in the workshop menu, e.g., 505 or 550A, which includes a service A. Cause The root cause is currently being investigated. Remedy To determine the cause, the instrument cluster control unit (N133/1) and powertrain control unit (N127) logs are required before confirming the service or correction using XENTRY Diagnosis. Please open a TIPS case to BCE inbox with the requested information in the attachments.