Mercedes Benz 240 Series Glow Plug Relay Costs
The average cost for a Mercedes Benz 240 Series Glow Plug Relay Replacement is between $65 - $122. Get an instant quote with our AI repair estimator.
What is a glow plug relay?
The glow plug relay is an essential component in diesel engines, responsible for controlling the power supply to the glow plugs. Glow plugs are heating elements used to warm the air in the diesel engine's cylinders to ensure efficient starting, especially in cold weather conditions. The relay acts as a switch, managing the electrical current that activates the glow plugs at the correct moment. Once the engine is running and at the appropriate temperature, the relay disconnects the current to protect the glow plugs from overheating. With diesel engines relying on compression ignition, the glow plug relay plays a crucial role in optimizing engine performance and reducing emissions during start-up.
Symptoms of a malfunctioning glow plug relay
When a glow plug relay is faltering, a driver might notice several symptoms that indicate something is amiss. A primary sign is difficulty starting the vehicle, particularly during colder seasons. The engine may require more cranks to start or fail to start altogether. Another symptom could be poor engine performance marked by rough idling or stalling shortly after ignition. Additionally, warning lights, such as the glow plug warning light, may illuminate on the dashboard, signaling an issue with the glow plug system. In some cases, even if the relay is faulty, it may not trigger the glow plugs correctly, leading to excessive exhaust smoke due to incomplete combustion. If you experience any of these symptoms, it is important to evaluate the glow plug relay as a potential cause to prevent further engine complications.
How urgent is glow plug relay replacement?
Replacing a malfunctioning glow plug relay is fairly urgent because it directly impacts the engine's ability to start, particularly in cold weather. Delays in addressing this issue might lead to difficulties in engine ignition or increased wear on other starting components as they attempt to compensate for longer cranking times. Additionally, failure to address this problem may result in poor engine efficiency and higher emissions, posing environmental concerns. Therefore, it is advisable to replace a defective glow plug relay promptly to ensure reliable engine starts and maintain optimal engine performance.
How much does glow plug relay replacement cost?
The cost of replacing a glow plug relay can vary depending on the vehicle's make and model, as well as the labor rates in your area. On average, you might expect to pay between $75 and $250 for the replacement. This estimate consists of two components: the cost of the part itself, which typically ranges from $25 to $100, and labor charges that can add around $50 to $150, depending on the complexity of the job and time required for a technician to complete the task. Shop around for quotes to ensure you get a fair price for both the part and the labor involved.
4 FAQs about glow plug relays
- What happens if I don't replace a faulty glow plug relay?
If a faulty glow plug relay isn't replaced, your vehicle may struggle to start, particularly in colder temperatures. It could lead to increased strain on the starter and battery, as well as reduced engine efficiency and higher emissions. Prolonged issues might also cause further damage to the engine components. - Can I drive with a bad glow plug relay?
Although it is technically possible to drive with a bad glow plug relay, it is not advisable. A failing relay can make starting your vehicle difficult and may compromise engine performance. This could eventually lead to more serious engine problems and higher repair costs. - How often should glow plug relays be replaced?
There is no specific timeline for replacing glow plug relays as it largely depends on usage and driving conditions. However, if symptoms of a malfunctioning relay appear, such as trouble starting the engine or the appearance of dashboard warning lights, it should be inspected and replaced if necessary. - Can I replace a glow plug relay myself?
Replacing a glow plug relay is a task that some experienced DIY mechanics may consider, especially if they are familiar with their vehicle's electrical system. However, it involves working with electrical components, which can be tricky without proper knowledge and tools. If you're unsure, it's safer to have a professional mechanic handle the replacement to ensure it is done correctly.
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1981 Mercedes Benz 240 Series ELE-Diesel Engine - Glow Plug Relay Costs
Parts: $84.00Labor: $17.00{ "partPrice": 84, "laborPrice": 17, "alldata_id": 3232, "alldata_vehicle_id": 3232, "title": "Glow Plug Relay", "parts": { "qualifiers": [ { "name": "Pre-Glow Time Relay", "qualifiers": [ { "name": "California", "qualifiers": [ { "name": "Chassis 123.123: From Series 149279 to Series 208266", "part": [ { "name": "Pre-glow Time Relay,", "price": "585.00", "pricecode": "", "partnumber": "1235401545" } ] } ] }, { "name": "Chassis 123.123: From Series 208267", "part": [ { "name": "Pre-glow Time Relay,", "note": "Bosch 0 333 402 505/506 or Stribel $ 89.9179 VDO 410.202/009/001", "price": "0.00", "pricecode": "", "partnumber": "0025450532" } ] }, { "name": "Federal", "qualifiers": [ { "name": "Chassis 123.123: From Series 149292 to Series 208266", "part": [ { "name": "Pre-glow Time Relay,", "price": "585.00", "pricecode": "", "partnumber": "1235401545" } ] } ] } ] }, { "name": "Pre-Glow Time Relay, With Coolant Temp. Sensor (0055450324)", "qualifiers": [ { "name": "California", "qualifiers": [ { "name": "Chassis 123.123: to Series 149278", "part": [ { "name": "Preglow Time Relay, W/sensor 005 545 03 24", "price": "0.20", "pricecode": "", "partnumber": "0015453532" } ] } ] }, { "name": "Federal", "qualifiers": [ { "name": "Chassis 123.123: to Series 149291", "part": [ { "name": "Preglow Time Relay, W/sensor 005 545 03 24", "price": "0.20", "pricecode": "", "partnumber": "0015453532" } ] } ] } ] } ] }, "labors": { "operations": [ { "operation": "Replace", "qualifiers": [ { "name": "Glow Plug Control Components, Renew", "labor": { "skill": "B", "standardtime": "0.8", "warrantytime": "0.0" }, "qualifiers": [] } ] } ] }, "year": 1981, "make": "Mercedes Benz", "model": "240 Series", "engine": "ELE-Diesel Engine" }1980 Mercedes Benz 240 Series ELE-Diesel Engine - Glow Plug Relay Costs
Parts: $23.00Labor: $67.00{ "partPrice": 23, "laborPrice": 67, "alldata_id": 3228, "alldata_vehicle_id": 3228, "title": "Glow Plug Relay", "parts": { "qualifiers": [ { "name": "Pre-Glow Time Relay", "qualifiers": [ { "name": "California", "qualifiers": [ { "name": "Chassis 123.123: From Series 149279 to Series 208266", "part": [ { "name": "Pre-glow Time Relay,", "price": "585.00", "pricecode": "", "partnumber": "1235401545" } ] } ] }, { "name": "Chassis 123.123: From Series 208267", "part": [ { "name": "Pre-glow Time Relay,", "note": "Bosch 0 333 402 505/506 or Stribel $ 89.9179 VDO 410.202/009/001", "price": "0.00", "pricecode": "", "partnumber": "0025450532" } ] }, { "name": "Federal", "qualifiers": [ { "name": "Chassis 123.123: From Series 149292 to Series 208266", "part": [ { "name": "Pre-glow Time Relay,", "price": "585.00", "pricecode": "", "partnumber": "1235401545" } ] } ] } ] }, { "name": "Pre-Glow Time Relay, With Coolant Temp. Sensor (0055450324)", "qualifiers": [ { "name": "California", "qualifiers": [ { "name": "Chassis 123.123: to Series 149278", "part": [ { "name": "Preglow Time Relay, W/sensor 005 545 03 24", "price": "0.20", "pricecode": "", "partnumber": "0015453532" } ] } ] }, { "name": "Federal", "qualifiers": [ { "name": "Chassis 123.123: to Series 149291", "part": [ { "name": "Preglow Time Relay, W/sensor 005 545 03 24", "price": "0.20", "pricecode": "", "partnumber": "0015453532" } ] } ] } ] } ] }, "labors": { "operations": [ { "operation": "Replace", "qualifiers": [ { "name": "Glow Plug Control Components, Renew", "labor": { "skill": "B", "standardtime": "0.8", "warrantytime": "0.0" }, "qualifiers": [] } ] } ] }, "year": 1980, "make": "Mercedes Benz", "model": "240 Series", "engine": "ELE-Diesel Engine" }1979 Mercedes Benz 240 Series ELE-Diesel Engine - Glow Plug Relay Costs
Parts: $4.00Labor: $60.00{ "partPrice": 4, "laborPrice": 60, "alldata_id": 3223, "alldata_vehicle_id": 3223, "title": "Glow Plug Relay", "parts": { "qualifiers": [ { "name": "Pre-Glow Time Relay", "qualifiers": [ { "name": "California", "qualifiers": [ { "name": "Chassis 123.123: From Series 149279 to Series 208266", "part": [ { "name": "Pre-glow Time Relay,", "price": "585.00", "pricecode": "", "partnumber": "1235401545" } ] } ] }, { "name": "Chassis 123.123: From Series 208267", "part": [ { "name": "Pre-glow Time Relay,", "note": "Bosch 0 333 402 505/506 or Stribel $ 89.9179 VDO 410.202/009/001", "price": "0.00", "pricecode": "", "partnumber": "0025450532" } ] }, { "name": "Federal", "qualifiers": [ { "name": "Chassis 123.123: From Series 149292 to Series 208266", "part": [ { "name": "Pre-glow Time Relay,", "price": "585.00", "pricecode": "", "partnumber": "1235401545" } ] } ] } ] }, { "name": "Pre-Glow Time Relay, With Coolant Temp. Sensor (0055450324)", "qualifiers": [ { "name": "California", "qualifiers": [ { "name": "Chassis 123.123: to Series 149278", "part": [ { "name": "Preglow Time Relay, W/sensor 005 545 03 24", "price": "0.20", "pricecode": "", "partnumber": "0015453532" } ] } ] }, { "name": "Federal", "qualifiers": [ { "name": "Chassis 123.123: to Series 149291", "part": [ { "name": "Preglow Time Relay, W/sensor 005 545 03 24", "price": "0.20", "pricecode": "", "partnumber": "0015453532" } ] } ] } ] } ] }, "labors": { "operations": [ { "operation": "Replace", "qualifiers": [ { "name": "Glow Plug Control Components, Renew", "labor": { "skill": "B", "standardtime": "0.8", "warrantytime": "0.0" }, "qualifiers": [] } ] } ] }, "year": 1979, "make": "Mercedes Benz", "model": "240 Series", "engine": "ELE-Diesel Engine" }1978 Mercedes Benz 240 Series ELE-Diesel Engine - Glow Plug Relay Costs
Parts: $38.00Labor: $74.00{ "partPrice": 38, "laborPrice": 74, "alldata_id": 3218, "alldata_vehicle_id": 3218, "title": "Glow Plug Relay", "parts": { "qualifiers": [ { "name": "Pre-Glow Time Relay", "qualifiers": [ { "name": "California", "qualifiers": [ { "name": "Chassis 123.123: From Series 149279 to Series 208266", "part": [ { "name": "Pre-glow Time Relay,", "price": "585.00", "pricecode": "", "partnumber": "1235401545" } ] } ] }, { "name": "Chassis 123.123: From Series 208267", "part": [ { "name": "Pre-glow Time Relay,", "note": "Bosch 0 333 402 505/506 or Stribel $ 89.9179 VDO 410.202/009/001", "price": "0.00", "pricecode": "", "partnumber": "0025450532" } ] }, { "name": "Federal", "qualifiers": [ { "name": "Chassis 123.123: From Series 149292 to Series 208266", "part": [ { "name": "Pre-glow Time Relay,", "price": "585.00", "pricecode": "", "partnumber": "1235401545" } ] } ] } ] }, { "name": "Pre-Glow Time Relay, With Coolant Temp. Sensor (0055450324)", "qualifiers": [ { "name": "California", "qualifiers": [ { "name": "Chassis 123.123: to Series 149278", "part": [ { "name": "Preglow Time Relay, W/sensor 005 545 03 24", "price": "0.20", "pricecode": "", "partnumber": "0015453532" } ] } ] }, { "name": "Federal", "qualifiers": [ { "name": "Chassis 123.123: to Series 149291", "part": [ { "name": "Preglow Time Relay, W/sensor 005 545 03 24", "price": "0.20", "pricecode": "", "partnumber": "0015453532" } ] } ] } ] } ] }, "labors": { "operations": [ { "operation": "Replace", "qualifiers": [ { "name": "Glow Plug Control Components, Renew", "labor": { "skill": "B", "standardtime": "0.8", "warrantytime": "0.0" }, "qualifiers": [] } ] } ] }, "year": 1978, "make": "Mercedes Benz", "model": "240 Series", "engine": "ELE-Diesel Engine" }