Mercedes-Benz E300 Glow Plug Replacement Cost.

The average cost for a Glow Plug Replacement is between $845 and $1456. Labor costs are estimated between $431 and $544 while parts are priced between $414 and $912. Estimate does not include taxes and fees.
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Best Practices

For best results and to avoid future problems, replace the glow plugs as a complete set. Be sure to verify that the glow plug relay is operating properly.

Common Symptoms

When the engine is cold, it will be hard, if not impossible, to start. However, the engine will start normally when it is warmed up.

Common Misdiagnoses

If the glow plug relay, injector pump timing, and engine compression are not properly checked, then replacing the glow plugs may not address the original problem.

Most Common Mercedes-Benz E300 Repairs

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