KNOWN FAULT · Mercedes-Benz

Engine warning light and loss of power from the throttle body pins (Mercedes-AMG with the M177 V8)

Sources are not verified in real time and no entry confirms that your car is affected.

Engine / equipment: Mercedes-AMG with the 4.0 twin-turbo V8 M177 (C 63, E 63, GLC 63, GLE 63, GLS 63 and G 63)
Period mentioned: 2015–2025 (US model years)
Symptoms: The engine warning light comes on and the car may lose power, with throttle codes such as P210185, P213500 or P213600.
Possible cause described: Electrical resistance increases in the pins of the left and right throttle actuator connectors. Mercedes-Benz describes it in its technical note LI07.10-P-080384: the connector pins are replaced with updated ones.
Check for the garage: Ask the workshop to check the connectors of both throttle bodies and apply note LI07.10-P-080384 before replacing the throttle bodies.
Cost cited in the source: No verified estimate; ask the garage for a quote.A rough figure from the original database, not an up-to-date quote.

Sources from the original database

Anonymous answer, no personal data.

How much does it cost to repair this fault?

No verified estimate; ask the garage for a quote.

A rough figure from the original database, not an up-to-date quote.

How is it checked?

Ask the workshop to check the connectors of both throttle bodies and apply note LI07.10-P-080384 before replacing the throttle bodies.

What are the symptoms?

The engine warning light comes on and the car may lose power, with throttle codes such as P210185, P213500 or P213600.

Which cars and years does it affect?

Brands: Mercedes-Benz
Engine / equipment: Mercedes-AMG with the 4.0 twin-turbo V8 M177 (C 63, E 63, GLC 63, GLE 63, GLS 63 and G 63)
Period mentioned: 2015–2025 (US model years)

Which fault codes appear?

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