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Charge Indicator Lamp
Should the charge indicator lamp fail to come on prior to starting when the electronic key is in steering lock position 2
or should it fail to go out after starting or during operation, this indicates a fault which must be repaired at an
authorized Mercedes-Benz dealer immediately.
If the charge indicator lamp comes on while the engine is running, this may indicate that the poly-V-belt has broken.
Should this condition occur, the poly-V-belt must be replaced before continuing to operate the vehicle. Otherwise, the
engine will overheat due to an inoperative water pump which may result in damage to the engine.
Do not continue to drive the vehicle with the charge indicator lamp illuminated. Doing so could result in serious engine
damage that is not covered by the Mercedes-Benz Limited Warranty.
Low Engine Oil Level Warning Lamp
With the electronic key in steering lock position 2, the oil level warning lamp comes on. It should go out immediately
when the engine is running.
If the warning lamp does not go out after starting the engine, or comes on with the engine running and at operating
temperature, the engine oil level has dropped to approximately the minimum mark on the dipstick.
When this occurs, the warning lamp will first come on intermittently and then stay on if the oil level drops further.
If no oil leaks are noted, continue to drive to the nearest service station where the engine oil should be topped to the
"full" mark on the dipstick with an approved oil.
The low engine oil level warning light should not be ignored. Extended driving with the light illuminated could result in
serious engine damage that is not covered by the Mercedes-Benz Limited Warranty. In addition to the warning lamp,
the engine oil level should be periodically checked with the dipstick (or via the odometer display - Model C280 and
C43 AMG only), for example during a fuel stop, or before a long trip (see Engine Oil Level, Checking in Index)