Ignition Cable (Spark plug wires) Replacement Estimate for Mercedes-Benz 420SEL

Mercedes-Benz 420SEL Ignition Cable (Spark plug wires) Replacement costs $267 on average. Following is a breakdown of the labor and parts estimates.

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YourMechanic Price
$267 to $284
Labor: $119 -$136
Parts: $148
Average Dealer price
$453
Average Shop price
$326
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CarServiceYourMechanic PriceShop/Dealer Price
1986 Mercedes-Benz 420SELV8-4.2LService typeIgnition Cable (Spark plug wires) ReplacementYourMechanic Price$278.53Shop/Dealer Price$361.61 - $513.66
1991 Mercedes-Benz 420SELV8-4.2LService typeIgnition Cable (Spark plug wires) ReplacementYourMechanic Price$275.58Shop/Dealer Price$358.13 - $508.12
1988 Mercedes-Benz 420SELV8-4.2LService typeIgnition Cable (Spark plug wires) ReplacementYourMechanic Price$275.58Shop/Dealer Price$358.00 - $507.88
1989 Mercedes-Benz 420SELV8-4.2LService typeIgnition Cable (Spark plug wires) ReplacementYourMechanic Price$275.58Shop/Dealer Price$358.06 - $507.99
1987 Mercedes-Benz 420SELV8-4.2LService typeIgnition Cable (Spark plug wires) ReplacementYourMechanic Price$278.53Shop/Dealer Price$361.65 - $513.72
1990 Mercedes-Benz 420SELV8-4.2LService typeIgnition Cable (Spark plug wires) ReplacementYourMechanic Price$278.53Shop/Dealer Price$361.60 - $513.64
Show example Mercedes-Benz 420SEL Ignition Cable (Spark plug wires) Replacement prices
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Parts required for a Mercedes-Benz 420SEL Ignition Cable (Spark plug wires) Replacement

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246 reviews
Godwin
19 years of experience
Very professional and knowledgeable. He even showed up ahead of our appointment time and waited for me.
2010 MERCEDES-BENZ E350 - BATTERY REPLACEMENT
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197 reviews
Jeff
22 years of experience
Jeff my mechanic was fantastic and the car is running very well now. The yourmechanic.com service was a bit suspect. Not sure they have all the website/customer service kinks worked out yet but, Jeff overcame the obstacles quickly and with a great attitude. The website service did not understand what parts I needed (and its simple really, as it was just motor mounts). I suspected this and called to confirm and was told they would make sure the mechanic would have what he needed. He did not, it delayed the repair time and changed the price.
2001 MERCEDES-BENZ C240 - ENGINE MOUNT REPLACEMENT (FRONT, REAR)
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52 reviews
Rusty
18 years of experience
Very nice to work with and knowledgeable
2009 MERCEDES-BENZ C300 - THERMOSTAT REPLACEMENT
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30 reviews
Terrell
36 years of experience
Terrell was timely and proficient. Arrived early with parts and everything necessary to complete the job. Job was completed fast, and easy!
2011 MERCEDES-BENZ E350 - BATTERY REPLACEMENT
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All about Ignition Cable (Spark plug wires) Replacement

The ignition cables, also known as “spark plug wires” are part of the ignition system. They transfer the spark from the distributor or ignition coil to spark plugs that ignite the air-fuel mixture, starting the engine. Over time, the cables can get weak and break down. This will make it harder for the spark to reach the engine cylinders, resulting in engine misfires. The car may not start at all. If one of the spark plugs has gone bad, the car will still start and run, but it will run poorly.

Ignition Cable (Spark plug wires) Replacement Estimates for Popular Mercedes-Benz Models